add watcher alias

4 files changed, 1524 insertions, 28 deletions

diff --git a/.direnv/flake-profile b/.direnv/flake-profile
index b797929..7615c1a 120000
--- a/.direnv/flake-profile
+++ b/.direnv/flake-profile
@@ -1 +1 @@
-/home/np/code/templates/report/.direnv/flake-profile.5366
\ No newline at end of file
+/nix/store/qph14aiqw9ryls2bmalmg9y58jw7fhf9-nix-shell-env
\ No newline at end of file
diff --git a/.direnv/flake-profile.rc b/.direnv/flake-profile.rc
index 8b13789..d1270ff 100644
--- a/.direnv/flake-profile.rc
+++ b/.direnv/flake-profile.rc
@@ -1 +1,1502 @@
+unset shellHook
+nix_saved_PATH="$PATH"
+AR=ar
+export AR
+AS=as
+export AS
+BASH=/nix/store/jdi2v7ir1sr6vp7pc5x0nhb6lpcmg6xg-bash-4.4-p23/bin/bash
+CC=gcc
+export CC
+CONFIG_SHELL=/nix/store/jdi2v7ir1sr6vp7pc5x0nhb6lpcmg6xg-bash-4.4-p23/bin/bash
+export CONFIG_SHELL
+CXX=g++
+export CXX
+DIRSTACK=()
+GROUPS=()
+HOSTTYPE=x86_64
+HOST_PATH=/nix/store/lr96h3dlny8aiba9p3rmxcxfda0ijj08-coreutils-8.32/bin:/nix/store/6kjrp5p21icxr38zws6yzbdsbf8z66b6-findutils-4.7.0/bin:/nix/store/9xc5vvy9gyzddq1c8kgl8hhzwcz4whpj-diffutils-3.7/bin:/nix/store/4nf4ih03fcq7gk08spjzxvwph1vyx1kr-gnused-4.8/bin:/nix/store/3v5i98i92j0f3lbb7d58kvf8nxnhw7s7-gnugrep-3.6/bin:/nix/store/cmnds461yxhh17076pdm5g6maralf85b-gawk-5.1.0/bin:/nix/store/sg7xqwqwg9aizcl4mcg7w1kkiwxrvg06-gnutar-1.34/bin:/nix/store/dp05lhn18njhyd3iqh64jvwyx38qvmjp-gzip-1.10/bin:/nix/store/5kmzagplvnq64lkyfpp72ncfw6kgpdvk-bzip2-1.0.6.0.2-bin/bin:/nix/store/dk7s6714az7paaqwrca488z7xryh6wf3-gnumake-4.3/bin:/nix/store/jdi2v7ir1sr6vp7pc5x0nhb6lpcmg6xg-bash-4.4-p23/bin:/nix/store/4mj3vpx0yxpcz1fnb4dv5xalxxh8c469-patch-2.7.6/bin:/nix/store/dzy00w2rw5gjh0gdrldxdkgrvzz7rqas-xz-5.2.5-bin/bin
+export HOST_PATH
+IFS=$' \t\n'
+IN_NIX_SHELL=impure
+export IN_NIX_SHELL
+LD=ld
+export LD
+MACHTYPE=x86_64-unknown-linux-gnu
+NIX_BINTOOLS=/nix/store/asz7nxxc07srk1x7kxn2mbjh393lrh89-binutils-wrapper-2.35.1
+export NIX_BINTOOLS
+NIX_BINTOOLS_WRAPPER_TARGET_HOST_x86_64_unknown_linux_gnu=1
+export NIX_BINTOOLS_WRAPPER_TARGET_HOST_x86_64_unknown_linux_gnu
+NIX_BUILD_CORES=8
+export NIX_BUILD_CORES
+NIX_CC=/nix/store/xicw4xz0fnd9kmbdlnj6kajd4wz5im7l-gcc-wrapper-10.2.0
+export NIX_CC
+NIX_CC_WRAPPER_TARGET_HOST_x86_64_unknown_linux_gnu=1
+export NIX_CC_WRAPPER_TARGET_HOST_x86_64_unknown_linux_gnu
+NIX_CFLAGS_COMPILE=' -frandom-seed=qph14aiqw9 -isystem /nix/store/dk7s6714az7paaqwrca488z7xryh6wf3-gnumake-4.3/include -isystem /nix/store/dk7s6714az7paaqwrca488z7xryh6wf3-gnumake-4.3/include'
+export NIX_CFLAGS_COMPILE
+NIX_ENFORCE_NO_NATIVE=1
+export NIX_ENFORCE_NO_NATIVE
+NIX_HARDENING_ENABLE='fortify stackprotector pic strictoverflow format relro bindnow'
+export NIX_HARDENING_ENABLE
+NIX_INDENT_MAKE=1
+export NIX_INDENT_MAKE
+NIX_LDFLAGS='-rpath /home/np/code/templates/report/outputs/out/lib64 -rpath /home/np/code/templates/report/outputs/out/lib '
+export NIX_LDFLAGS
+NIX_LIB64_IN_SELF_RPATH=1
+NIX_NO_SELF_RPATH=1
+NIX_STORE=/nix/store
+export NIX_STORE
+NM=nm
+export NM
+OBJCOPY=objcopy
+export OBJCOPY
+OBJDUMP=objdump
+export OBJDUMP
+OPTERR=1
+OPTIND=1
+OSTYPE=linux-gnu
+PATH=/nix/store/vm814fpw6vd5f1bb43dvghjzi6k48k25-texlive-combined-2020/bin:/nix/store/dk7s6714az7paaqwrca488z7xryh6wf3-gnumake-4.3/bin:/nix/store/ga6xyhwqff2h7f6zrfdh79hvwhia11vw-patchelf-0.12/bin:/nix/store/xicw4xz0fnd9kmbdlnj6kajd4wz5im7l-gcc-wrapper-10.2.0/bin:/nix/store/hhqbd2y172i0kawplf2m4jqi2rmspk5c-gcc-10.2.0/bin:/nix/store/h68c6qvm6fwfzzj2b1q9xpi0x5qln25i-glibc-2.32-40-bin/bin:/nix/store/lr96h3dlny8aiba9p3rmxcxfda0ijj08-coreutils-8.32/bin:/nix/store/asz7nxxc07srk1x7kxn2mbjh393lrh89-binutils-wrapper-2.35.1/bin:/nix/store/8xiqj7nkx1z0mxhda9pcl8fa51zmxqd1-binutils-2.35.1/bin:/nix/store/lr96h3dlny8aiba9p3rmxcxfda0ijj08-coreutils-8.32/bin:/nix/store/6kjrp5p21icxr38zws6yzbdsbf8z66b6-findutils-4.7.0/bin:/nix/store/9xc5vvy9gyzddq1c8kgl8hhzwcz4whpj-diffutils-3.7/bin:/nix/store/4nf4ih03fcq7gk08spjzxvwph1vyx1kr-gnused-4.8/bin:/nix/store/3v5i98i92j0f3lbb7d58kvf8nxnhw7s7-gnugrep-3.6/bin:/nix/store/cmnds461yxhh17076pdm5g6maralf85b-gawk-5.1.0/bin:/nix/store/sg7xqwqwg9aizcl4mcg7w1kkiwxrvg06-gnutar-1.34/bin:/nix/store/dp05lhn18njhyd3iqh64jvwyx38qvmjp-gzip-1.10/bin:/nix/store/5kmzagplvnq64lkyfpp72ncfw6kgpdvk-bzip2-1.0.6.0.2-bin/bin:/nix/store/dk7s6714az7paaqwrca488z7xryh6wf3-gnumake-4.3/bin:/nix/store/jdi2v7ir1sr6vp7pc5x0nhb6lpcmg6xg-bash-4.4-p23/bin:/nix/store/4mj3vpx0yxpcz1fnb4dv5xalxxh8c469-patch-2.7.6/bin:/nix/store/dzy00w2rw5gjh0gdrldxdkgrvzz7rqas-xz-5.2.5-bin/bin
+export PATH
+PIPESTATUS=([0]="0")
+PS4='+ '
+RANLIB=ranlib
+export RANLIB
+READELF=readelf
+export READELF
+SHELL=/nix/store/jdi2v7ir1sr6vp7pc5x0nhb6lpcmg6xg-bash-4.4-p23/bin/bash
+export SHELL
+SIZE=size
+export SIZE
+SOURCE_DATE_EPOCH=315532800
+export SOURCE_DATE_EPOCH
+STRINGS=strings
+export STRINGS
+STRIP=strip
+export STRIP
+XDG_DATA_DIRS=/nix/store/vm814fpw6vd5f1bb43dvghjzi6k48k25-texlive-combined-2020/share:/nix/store/dk7s6714az7paaqwrca488z7xryh6wf3-gnumake-4.3/share:/nix/store/ga6xyhwqff2h7f6zrfdh79hvwhia11vw-patchelf-0.12/share
+export XDG_DATA_DIRS
+_=export
+buildInputs=
+export buildInputs
+builder=/nix/store/jdi2v7ir1sr6vp7pc5x0nhb6lpcmg6xg-bash-4.4-p23/bin/bash
+export builder
+commonStripFlags=--enable-deterministic-archives
+configureFlags=
+export configureFlags
+defaultBuildInputs=
+defaultNativeBuildInputs='/nix/store/ga6xyhwqff2h7f6zrfdh79hvwhia11vw-patchelf-0.12 /nix/store/mjjy30kxz775bhhi6j9phw81qh6dsbrf-move-docs.sh /nix/store/kxw6q8v6isaqjm702d71n2421cxamq68-make-symlinks-relative.sh /nix/store/cl3qd985p1yxyfkj96v0hqxiy3w69xq5-compress-man-pages.sh /nix/store/h54dzwd7rdh2jlcv91424csl6d0ccgjy-strip.sh /nix/store/bnj8d7mvbkg3vdb07yz74yhl3g107qq5-patch-shebangs.sh /nix/store/cickvswrvann041nqxb0rxilc46svw1n-prune-libtool-files.sh /nix/store/8zxndz5ag0p6s526c2xyllhk1nrn4c3i-audit-tmpdir.sh /nix/store/c8n9kcdddp9np665xz6ri61b383nxvz8-move-systemd-user-units.sh /nix/store/1i5y55x4b4m9qkx5dqbmr1r6bvrqbanw-multiple-outputs.sh /nix/store/kd4xwxjpjxi71jkm6ka0np72if9rm3y0-move-sbin.sh /nix/store/fyaryjvghbkpfnsyw97hb3lyb37s1pd6-move-lib64.sh /nix/store/ngg1cv31c8c7bcm2n8ww4g06nq7s4zhm-set-source-date-epoch-to-latest.sh /nix/store/pr6nzbscdpg94yvr151lrif2kg0csx7b-reproducible-builds.sh /nix/store/xicw4xz0fnd9kmbdlnj6kajd4wz5im7l-gcc-wrapper-10.2.0'
+depsBuildBuild=
+export depsBuildBuild
+depsBuildBuildPropagated=
+export depsBuildBuildPropagated
+depsBuildTarget=
+export depsBuildTarget
+depsBuildTargetPropagated=
+export depsBuildTargetPropagated
+depsHostHost=
+export depsHostHost
+depsHostHostPropagated=
+export depsHostHostPropagated
+depsTargetTarget=
+export depsTargetTarget
+depsTargetTargetPropagated=
+export depsTargetTargetPropagated
+doCheck=
+export doCheck
+doInstallCheck=
+export doInstallCheck
+dontAddDisableDepTrack=1
+export dontAddDisableDepTrack
+envHostHostHooks=([0]="ccWrapper_addCVars" [1]="bintoolsWrapper_addLDVars")
+envHostTargetHooks=([0]="ccWrapper_addCVars" [1]="bintoolsWrapper_addLDVars")
+fixupOutputHooks=([0]="if [ -z \"\${dontPatchELF-}\" ]; then patchELF \"\$prefix\"; fi" [1]="_makeSymlinksRelative" [2]="if [ -z \"\${dontGzipMan-}\" ]; then compressManPages \"\$prefix\"; fi" [3]="_doStrip" [4]="patchShebangsAuto" [5]="_pruneLibtoolFiles" [6]="if [[ -z \"\${noAuditTmpdir-}\" && -e \"\$prefix\" ]]; then auditTmpdir \"\$prefix\"; fi" [7]="_moveSystemdUserUnits" [8]="_moveSbin" [9]="_moveLib64")
+initialPath='/nix/store/lr96h3dlny8aiba9p3rmxcxfda0ijj08-coreutils-8.32 /nix/store/6kjrp5p21icxr38zws6yzbdsbf8z66b6-findutils-4.7.0 /nix/store/9xc5vvy9gyzddq1c8kgl8hhzwcz4whpj-diffutils-3.7 /nix/store/4nf4ih03fcq7gk08spjzxvwph1vyx1kr-gnused-4.8 /nix/store/3v5i98i92j0f3lbb7d58kvf8nxnhw7s7-gnugrep-3.6 /nix/store/cmnds461yxhh17076pdm5g6maralf85b-gawk-5.1.0 /nix/store/sg7xqwqwg9aizcl4mcg7w1kkiwxrvg06-gnutar-1.34 /nix/store/dp05lhn18njhyd3iqh64jvwyx38qvmjp-gzip-1.10 /nix/store/5kmzagplvnq64lkyfpp72ncfw6kgpdvk-bzip2-1.0.6.0.2-bin /nix/store/dk7s6714az7paaqwrca488z7xryh6wf3-gnumake-4.3 /nix/store/jdi2v7ir1sr6vp7pc5x0nhb6lpcmg6xg-bash-4.4-p23 /nix/store/4mj3vpx0yxpcz1fnb4dv5xalxxh8c469-patch-2.7.6 /nix/store/dzy00w2rw5gjh0gdrldxdkgrvzz7rqas-xz-5.2.5-bin'
+name=nix-shell
+export name
+nativeBuildInputs='/nix/store/vm814fpw6vd5f1bb43dvghjzi6k48k25-texlive-combined-2020 /nix/store/dk7s6714az7paaqwrca488z7xryh6wf3-gnumake-4.3'
+export nativeBuildInputs
+nobuildPhase=$'echo\necho "This derivation is not meant to be built, aborting";\necho\nexit 1\n'
+export nobuildPhase
+out=/home/np/code/templates/report/outputs/out
+export out
+outputBin=out
+outputDev=out
+outputDevdoc=REMOVE
+outputDevman=out
+outputDoc=out
+outputInclude=out
+outputInfo=out
+outputLib=out
+outputMan=out
+outputs=out
+export outputs
+patches=
+export patches
+phases=nobuildPhase
+export phases
+pkg=/nix/store/xicw4xz0fnd9kmbdlnj6kajd4wz5im7l-gcc-wrapper-10.2.0
+pkgsBuildHost=([0]="/nix/store/vm814fpw6vd5f1bb43dvghjzi6k48k25-texlive-combined-2020" [1]="/nix/store/dk7s6714az7paaqwrca488z7xryh6wf3-gnumake-4.3" [2]="/nix/store/ga6xyhwqff2h7f6zrfdh79hvwhia11vw-patchelf-0.12" [3]="/nix/store/mjjy30kxz775bhhi6j9phw81qh6dsbrf-move-docs.sh" [4]="/nix/store/kxw6q8v6isaqjm702d71n2421cxamq68-make-symlinks-relative.sh" [5]="/nix/store/cl3qd985p1yxyfkj96v0hqxiy3w69xq5-compress-man-pages.sh" [6]="/nix/store/h54dzwd7rdh2jlcv91424csl6d0ccgjy-strip.sh" [7]="/nix/store/bnj8d7mvbkg3vdb07yz74yhl3g107qq5-patch-shebangs.sh" [8]="/nix/store/cickvswrvann041nqxb0rxilc46svw1n-prune-libtool-files.sh" [9]="/nix/store/8zxndz5ag0p6s526c2xyllhk1nrn4c3i-audit-tmpdir.sh" [10]="/nix/store/c8n9kcdddp9np665xz6ri61b383nxvz8-move-systemd-user-units.sh" [11]="/nix/store/1i5y55x4b4m9qkx5dqbmr1r6bvrqbanw-multiple-outputs.sh" [12]="/nix/store/kd4xwxjpjxi71jkm6ka0np72if9rm3y0-move-sbin.sh" [13]="/nix/store/fyaryjvghbkpfnsyw97hb3lyb37s1pd6-move-lib64.sh" [14]="/nix/store/ngg1cv31c8c7bcm2n8ww4g06nq7s4zhm-set-source-date-epoch-to-latest.sh" [15]="/nix/store/pr6nzbscdpg94yvr151lrif2kg0csx7b-reproducible-builds.sh" [16]="/nix/store/xicw4xz0fnd9kmbdlnj6kajd4wz5im7l-gcc-wrapper-10.2.0" [17]="/nix/store/asz7nxxc07srk1x7kxn2mbjh393lrh89-binutils-wrapper-2.35.1")
+postFixupHooks=([0]="_multioutPropagateDev")
+postUnpackHooks=([0]="_updateSourceDateEpochFromSourceRoot")
+preConfigureHooks=([0]="_multioutConfig")
+preFixupHooks=([0]="_moveToShare" [1]="_multioutDocs" [2]="_multioutDevs")
+prefix=/home/np/code/templates/report/outputs/out
+propagatedBuildDepFiles=([0]="propagated-build-build-deps" [1]="propagated-native-build-inputs" [2]="propagated-build-target-deps")
+propagatedBuildInputs=
+export propagatedBuildInputs
+propagatedHostDepFiles=([0]="propagated-host-host-deps" [1]="propagated-build-inputs")
+propagatedNativeBuildInputs=
+export propagatedNativeBuildInputs
+propagatedTargetDepFiles=([0]="propagated-target-target-deps")
+shell=/nix/store/jdi2v7ir1sr6vp7pc5x0nhb6lpcmg6xg-bash-4.4-p23/bin/bash
+export shell
+shellHook=
+export shellHook
+stdenv=/nix/store/bmnhfb10m2s3whl6478dmqhcrkjwk77y-stdenv-linux
+export stdenv
+strictDeps=
+export strictDeps
+system=x86_64-linux
+export system
+unpackCmdHooks=([0]="_defaultUnpack")
+PATH="$PATH:$nix_saved_PATH"
+_activatePkgs () 
+{ 
+    local -i hostOffset targetOffset;
+    local pkg;
+    for hostOffset in "${allPlatOffsets[@]}";
+    do
+        local pkgsVar="${pkgAccumVarVars[$hostOffset + 1]}";
+        for targetOffset in "${allPlatOffsets[@]}";
+        do
+            (( "$hostOffset" <= "$targetOffset" )) || continue;
+            local pkgsRef="${pkgsVar}[$targetOffset - $hostOffset]";
+            local pkgsSlice="${!pkgsRef}[@]";
+            for pkg in ${!pkgsSlice+"${!pkgsSlice}"};
+            do
+                activatePackage "$pkg" "$hostOffset" "$targetOffset";
+            done;
+        done;
+    done
+}
+_addRpathPrefix () 
+{ 
+    if [ "${NIX_NO_SELF_RPATH:-0}" != 1 ]; then
+        export NIX_LDFLAGS="-rpath $1/lib ${NIX_LDFLAGS-}";
+        if [ -n "${NIX_LIB64_IN_SELF_RPATH:-}" ]; then
+            export NIX_LDFLAGS="-rpath $1/lib64 ${NIX_LDFLAGS-}";
+        fi;
+        if [ -n "${NIX_LIB32_IN_SELF_RPATH:-}" ]; then
+            export NIX_LDFLAGS="-rpath $1/lib32 ${NIX_LDFLAGS-}";
+        fi;
+    fi
+}
+_addToEnv () 
+{ 
+    local -i depHostOffset depTargetOffset;
+    local pkg;
+    for depHostOffset in "${allPlatOffsets[@]}";
+    do
+        local hookVar="${pkgHookVarVars[$depHostOffset + 1]}";
+        local pkgsVar="${pkgAccumVarVars[$depHostOffset + 1]}";
+        for depTargetOffset in "${allPlatOffsets[@]}";
+        do
+            (( "$depHostOffset" <= "$depTargetOffset" )) || continue;
+            local hookRef="${hookVar}[$depTargetOffset - $depHostOffset]";
+            if [[ -z "${strictDeps-}" ]]; then
+                local visitedPkgs="";
+                for pkg in ${pkgsBuildBuild+"${pkgsBuildBuild[@]}"} ${pkgsBuildHost+"${pkgsBuildHost[@]}"} ${pkgsBuildTarget+"${pkgsBuildTarget[@]}"} ${pkgsHostHost+"${pkgsHostHost[@]}"} ${pkgsHostTarget+"${pkgsHostTarget[@]}"} ${pkgsTargetTarget+"${pkgsTargetTarget[@]}"};
+                do
+                    if [[ "$visitedPkgs" = *"$pkg"* ]]; then
+                        continue;
+                    fi;
+                    runHook "${!hookRef}" "$pkg";
+                    visitedPkgs+=" $pkg";
+                done;
+            else
+                local pkgsRef="${pkgsVar}[$depTargetOffset - $depHostOffset]";
+                local pkgsSlice="${!pkgsRef}[@]";
+                for pkg in ${!pkgsSlice+"${!pkgsSlice}"};
+                do
+                    runHook "${!hookRef}" "$pkg";
+                done;
+            fi;
+        done;
+    done
+}
+_allFlags () 
+{ 
+    for varName in $(awk 'BEGIN { for (v in ENVIRON) if (v ~ /^[a-z][a-zA-Z0-9_]*$/) print v }');
+    do
+        if (( "${NIX_DEBUG:-0}" >= 1 )); then
+            printf "@%s@ -> %q\n" "${varName}" "${!varName}";
+        fi;
+        args+=("--subst-var" "$varName");
+    done
+}
+_assignFirst () 
+{ 
+    local varName="$1";
+    local REMOVE=REMOVE;
+    shift;
+    while (( $# )); do
+        if [ -n "${!1-}" ]; then
+            eval "${varName}"="$1";
+            return;
+        fi;
+        shift;
+    done;
+    echo "Error: _assignFirst found no valid variant!";
+    return 1
+}
+_callImplicitHook () 
+{ 
+    local def="$1";
+    local hookName="$2";
+    if declare -F "$hookName" > /dev/null; then
+        "$hookName";
+    else
+        if type -p "$hookName" > /dev/null; then
+            source "$hookName";
+        else
+            if [ -n "${!hookName:-}" ]; then
+                eval "${!hookName}";
+            else
+                return "$def";
+            fi;
+        fi;
+    fi
+}
+_defaultUnpack () 
+{ 
+    local fn="$1";
+    if [ -d "$fn" ]; then
+        cp -pr --reflink=auto -- "$fn" "$(stripHash "$fn")";
+    else
+        case "$fn" in 
+            *.tar.xz | *.tar.lzma | *.txz)
+                xz -d < "$fn" | tar xf -
+            ;;
+            *.tar | *.tar.* | *.tgz | *.tbz2 | *.tbz)
+                tar xf "$fn"
+            ;;
+            *)
+                return 1
+            ;;
+        esac;
+    fi
+}
+_doStrip () 
+{ 
+    local -ra flags=(dontStripHost dontStripTarget);
+    local -ra stripCmds=(STRIP TARGET_STRIP);
+    if [[ "${STRIP-}" == "${TARGET_STRIP-}" ]]; then
+        dontStripTarget+=1;
+    fi;
+    local i;
+    for i in ${!stripCmds[@]};
+    do
+        local -n flag="${flags[$i]}";
+        local -n stripCmd="${stripCmds[$i]}";
+        if [[ -n "${dontStrip-}" || -n "${flag-}" ]] || ! type -f "${stripCmd-}" 2> /dev/null; then
+            continue;
+        fi;
+        stripDebugList=${stripDebugList:-lib lib32 lib64 libexec bin sbin};
+        if [ -n "$stripDebugList" ]; then
+            stripDirs "$stripCmd" "$stripDebugList" "${stripDebugFlags:--S}";
+        fi;
+        stripAllList=${stripAllList:-};
+        if [ -n "$stripAllList" ]; then
+            stripDirs "$stripCmd" "$stripAllList" "${stripAllFlags:--s}";
+        fi;
+    done
+}
+_eval () 
+{ 
+    if declare -F "$1" > /dev/null 2>&1; then
+        "$@";
+    else
+        eval "$1";
+    fi
+}
+_makeSymlinksRelative () 
+{ 
+    local symlinkTarget;
+    if [ -n "${dontRewriteSymlinks-}" ]; then
+        return 0;
+    fi;
+    while IFS= read -r -d '' f; do
+        symlinkTarget=$(readlink "$f");
+        if [[ "$symlinkTarget"/ != "$prefix"/* ]]; then
+            continue;
+        fi;
+        if [ ! -e "$symlinkTarget" ]; then
+            echo "the symlink $f is broken, it points to $symlinkTarget (which is missing)";
+        fi;
+        echo "rewriting symlink $f to be relative to $prefix";
+        ln -snrf "$symlinkTarget" "$f";
+    done < <(find $prefix -type l -print0)
+}
+_moveLib64 () 
+{ 
+    if [ "${dontMoveLib64-}" = 1 ]; then
+        return;
+    fi;
+    if [ ! -e "$prefix/lib64" -o -L "$prefix/lib64" ]; then
+        return;
+    fi;
+    echo "moving $prefix/lib64/* to $prefix/lib";
+    mkdir -p $prefix/lib;
+    shopt -s dotglob;
+    for i in $prefix/lib64/*;
+    do
+        mv --no-clobber "$i" $prefix/lib;
+    done;
+    shopt -u dotglob;
+    rmdir $prefix/lib64;
+    ln -s lib $prefix/lib64
+}
+_moveSbin () 
+{ 
+    if [ "${dontMoveSbin-}" = 1 ]; then
+        return;
+    fi;
+    if [ ! -e "$prefix/sbin" -o -L "$prefix/sbin" ]; then
+        return;
+    fi;
+    echo "moving $prefix/sbin/* to $prefix/bin";
+    mkdir -p $prefix/bin;
+    shopt -s dotglob;
+    for i in $prefix/sbin/*;
+    do
+        mv "$i" $prefix/bin;
+    done;
+    shopt -u dotglob;
+    rmdir $prefix/sbin;
+    ln -s bin $prefix/sbin
+}
+_moveSystemdUserUnits () 
+{ 
+    if [ "${dontMoveSystemdUserUnits:-0}" = 1 ]; then
+        return;
+    fi;
+    if [ ! -e "${prefix:?}/lib/systemd/user" ]; then
+        return;
+    fi;
+    local source="$prefix/lib/systemd/user";
+    local target="$prefix/share/systemd/user";
+    echo "moving $source/* to $target";
+    mkdir -p "$target";
+    ( shopt -s dotglob;
+    for i in "$source"/*;
+    do
+        mv "$i" "$target";
+    done );
+    rmdir "$source";
+    ln -s "$target" "$source"
+}
+_moveToShare () 
+{ 
+    forceShare=${forceShare:=man doc info};
+    if [ -z "$forceShare" -o -z "$out" ]; then
+        return;
+    fi;
+    for d in $forceShare;
+    do
+        if [ -d "$out/$d" ]; then
+            if [ -d "$out/share/$d" ]; then
+                echo "both $d/ and share/$d/ exist!";
+            else
+                echo "moving $out/$d to $out/share/$d";
+                mkdir -p $out/share;
+                mv $out/$d $out/share/;
+            fi;
+        fi;
+    done
+}
+_multioutConfig () 
+{ 
+    if [ "$outputs" = "out" ] || [ -z "${setOutputFlags-1}" ]; then
+        return;
+    fi;
+    if [ -z "$shareDocName" ]; then
+        local confScript="$configureScript";
+        if [ -z "$confScript" ] && [ -x ./configure ]; then
+            confScript=./configure;
+        fi;
+        if [ -f "$confScript" ]; then
+            local shareDocName="$(sed -n "s/^PACKAGE_TARNAME='\(.*\)'$/\1/p" < "$confScript")";
+        fi;
+        if [ -z "$shareDocName" ] || echo "$shareDocName" | grep -q '[^a-zA-Z0-9_-]'; then
+            shareDocName="$(echo "$name" | sed 's/-[^a-zA-Z].*//')";
+        fi;
+    fi;
+    configureFlags="        --bindir=${!outputBin}/bin --sbindir=${!outputBin}/sbin         --includedir=${!outputInclude}/include --oldincludedir=${!outputInclude}/include         --mandir=${!outputMan}/share/man --infodir=${!outputInfo}/share/info         --docdir=${!outputDoc}/share/doc/${shareDocName}         --libdir=${!outputLib}/lib --libexecdir=${!outputLib}/libexec         --localedir=${!outputLib}/share/locale         $configureFlags";
+    installFlags="        pkgconfigdir=${!outputDev}/lib/pkgconfig         m4datadir=${!outputDev}/share/aclocal aclocaldir=${!outputDev}/share/aclocal         $installFlags"
+}
+_multioutDevs () 
+{ 
+    if [ "$outputs" = "out" ] || [ -z "${moveToDev-1}" ]; then
+        return;
+    fi;
+    moveToOutput include "${!outputInclude}";
+    moveToOutput lib/pkgconfig "${!outputDev}";
+    moveToOutput share/pkgconfig "${!outputDev}";
+    moveToOutput lib/cmake "${!outputDev}";
+    moveToOutput share/aclocal "${!outputDev}";
+    for f in "${!outputDev}"/{lib,share}/pkgconfig/*.pc;
+    do
+        echo "Patching '$f' includedir to output ${!outputInclude}";
+        sed -i "/^includedir=/s,=\${prefix},=${!outputInclude}," "$f";
+    done
+}
+_multioutDocs () 
+{ 
+    local REMOVE=REMOVE;
+    moveToOutput share/info "${!outputInfo}";
+    moveToOutput share/doc "${!outputDoc}";
+    moveToOutput share/gtk-doc "${!outputDevdoc}";
+    moveToOutput share/devhelp/books "${!outputDevdoc}";
+    moveToOutput share/man "${!outputMan}";
+    moveToOutput share/man/man3 "${!outputDevman}"
+}
+_multioutPropagateDev () 
+{ 
+    if [ "$outputs" = "out" ]; then
+        return;
+    fi;
+    local outputFirst;
+    for outputFirst in $outputs;
+    do
+        break;
+    done;
+    local propagaterOutput="$outputDev";
+    if [ -z "$propagaterOutput" ]; then
+        propagaterOutput="$outputFirst";
+    fi;
+    if [ -z "${propagatedBuildOutputs+1}" ]; then
+        local po_dirty="$outputBin $outputInclude $outputLib";
+        set +o pipefail;
+        propagatedBuildOutputs=`echo "$po_dirty"             | tr -s ' ' '\n' | grep -v -F "$propagaterOutput"             | sort -u | tr '\n' ' ' `;
+        set -o pipefail;
+    fi;
+    if [ -z "$propagatedBuildOutputs" ]; then
+        return;
+    fi;
+    mkdir -p "${!propagaterOutput}"/nix-support;
+    for output in $propagatedBuildOutputs;
+    do
+        echo -n " ${!output}" >> "${!propagaterOutput}"/nix-support/propagated-build-inputs;
+    done
+}
+_overrideFirst () 
+{ 
+    if [ -z "${!1-}" ]; then
+        _assignFirst "$@";
+    fi
+}
+_pruneLibtoolFiles () 
+{ 
+    if [ "${dontPruneLibtoolFiles-}" ] || [ ! -e "$prefix" ]; then
+        return;
+    fi;
+    find "$prefix" -type f -name '*.la' -exec grep -q '^# Generated by .*libtool' {} \; -exec grep -q "^old_library=''" {} \; -exec sed -i {} -e "/^dependency_libs='[^']/ c dependency_libs='' #pruned" \;
+}
+_updateSourceDateEpochFromSourceRoot () 
+{ 
+    if [ -n "$sourceRoot" ]; then
+        updateSourceDateEpoch "$sourceRoot";
+    fi
+}
+activatePackage () 
+{ 
+    local pkg="$1";
+    local -ri hostOffset="$2";
+    local -ri targetOffset="$3";
+    (( "$hostOffset" <= "$targetOffset" )) || exit -1;
+    if [ -f "$pkg" ]; then
+        source "$pkg";
+    fi;
+    if [[ -z "${strictDeps-}" || "$hostOffset" -le -1 ]]; then
+        addToSearchPath _PATH "$pkg/bin";
+    fi;
+    if [[ "$hostOffset" -le -1 ]]; then
+        addToSearchPath _XDG_DATA_DIRS "$pkg/share";
+    fi;
+    if [[ "$hostOffset" -eq 0 && -d "$pkg/bin" ]]; then
+        addToSearchPath _HOST_PATH "$pkg/bin";
+    fi;
+    if [[ -f "$pkg/nix-support/setup-hook" ]]; then
+        source "$pkg/nix-support/setup-hook";
+    fi
+}
+addEnvHooks () 
+{ 
+    local depHostOffset="$1";
+    shift;
+    local pkgHookVarsSlice="${pkgHookVarVars[$depHostOffset + 1]}[@]";
+    local pkgHookVar;
+    for pkgHookVar in "${!pkgHookVarsSlice}";
+    do
+        eval "${pkgHookVar}s"'+=("$@")';
+    done
+}
+addToSearchPath () 
+{ 
+    addToSearchPathWithCustomDelimiter ":" "$@"
+}
+addToSearchPathWithCustomDelimiter () 
+{ 
+    local delimiter="$1";
+    local varName="$2";
+    local dir="$3";
+    if [[ -d "$dir" && "${!varName:+${delimiter}${!varName}${delimiter}}" != *"${delimiter}${dir}${delimiter}"* ]]; then
+        export "${varName}=${!varName:+${!varName}${delimiter}}${dir}";
+    fi
+}
+auditTmpdir () 
+{ 
+    local dir="$1";
+    [ -e "$dir" ] || return 0;
+    header "checking for references to $TMPDIR/ in $dir...";
+    local i;
+    while IFS= read -r -d '' i; do
+        if [[ "$i" =~ .build-id ]]; then
+            continue;
+        fi;
+        if isELF "$i"; then
+            if { 
+                printf :;
+                patchelf --print-rpath "$i"
+            } | grep -q -F ":$TMPDIR/"; then
+                echo "RPATH of binary $i contains a forbidden reference to $TMPDIR/";
+                exit 1;
+            fi;
+        fi;
+        if isScript "$i"; then
+            if [ -e "$(dirname "$i")/.$(basename "$i")-wrapped" ]; then
+                if grep -q -F "$TMPDIR/" "$i"; then
+                    echo "wrapper script $i contains a forbidden reference to $TMPDIR/";
+                    exit 1;
+                fi;
+            fi;
+        fi;
+    done < <(find "$dir" -type f -print0);
+    stopNest
+}
+bintoolsWrapper_addLDVars () 
+{ 
+    local role_post;
+    getHostRoleEnvHook;
+    if [[ -d "$1/lib64" && ! -L "$1/lib64" ]]; then
+        export NIX_LDFLAGS${role_post}+=" -L$1/lib64";
+    fi;
+    if [[ -d "$1/lib" ]]; then
+        local -a glob=($1/lib/lib*);
+        if [ "${#glob[*]}" -gt 0 ]; then
+            export NIX_LDFLAGS${role_post}+=" -L$1/lib";
+        fi;
+    fi
+}
+buildPhase () 
+{ 
+    runHook preBuild;
+    : ${makeFlags=};
+    if [[ -z "$makeFlags" && -z "${makefile:-}" && ! ( -e Makefile || -e makefile || -e GNUmakefile ) ]]; then
+        echo "no Makefile, doing nothing";
+    else
+        foundMakefile=1;
+        local flagsArray=(${enableParallelBuilding:+-j${NIX_BUILD_CORES} -l${NIX_BUILD_CORES}} SHELL=$SHELL $makeFlags ${makeFlagsArray+"${makeFlagsArray[@]}"} $buildFlags ${buildFlagsArray+"${buildFlagsArray[@]}"});
+        echoCmd 'build flags' "${flagsArray[@]}";
+        make ${makefile:+-f $makefile} "${flagsArray[@]}";
+        unset flagsArray;
+    fi;
+    runHook postBuild
+}
+ccWrapper_addCVars () 
+{ 
+    local role_post;
+    getHostRoleEnvHook;
+    if [ -d "$1/include" ]; then
+        export NIX_CFLAGS_COMPILE${role_post}+=" -isystem $1/include";
+    fi;
+    if [ -d "$1/Library/Frameworks" ]; then
+        export NIX_CFLAGS_COMPILE${role_post}+=" -iframework $1/Library/Frameworks";
+    fi
+}
+checkPhase () 
+{ 
+    runHook preCheck;
+    if [[ -z "${foundMakefile:-}" ]]; then
+        echo "no Makefile or custom checkPhase, doing nothing";
+        runHook postCheck;
+        return;
+    fi;
+    if [[ -z "${checkTarget:-}" ]]; then
+        if make -n ${makefile:+-f $makefile} check > /dev/null 2>&1; then
+            checkTarget=check;
+        else
+            if make -n ${makefile:+-f $makefile} test > /dev/null 2>&1; then
+                checkTarget=test;
+            fi;
+        fi;
+    fi;
+    if [[ -z "${checkTarget:-}" ]]; then
+        echo "no check/test target in ${makefile:-Makefile}, doing nothing";
+    else
+        local flagsArray=(${enableParallelChecking:+-j${NIX_BUILD_CORES} -l${NIX_BUILD_CORES}} SHELL=$SHELL $makeFlags ${makeFlagsArray+"${makeFlagsArray[@]}"} ${checkFlags:-VERBOSE=y} ${checkFlagsArray+"${checkFlagsArray[@]}"} ${checkTarget});
+        echoCmd 'check flags' "${flagsArray[@]}";
+        make ${makefile:+-f $makefile} "${flagsArray[@]}";
+        unset flagsArray;
+    fi;
+    runHook postCheck
+}
+closeNest () 
+{ 
+    true
+}
+compressManPages () 
+{ 
+    local dir="$1";
+    if [ -L "$dir"/share ] || [ -L "$dir"/share/man ] || [ ! -d "$dir/share/man" ]; then
+        return;
+    fi;
+    echo "gzipping man pages under $dir/share/man/";
+    find "$dir"/share/man/ -type f -a '!' -regex '.*\.\(bz2\|gz\)$' -print0 | while IFS= read -r -d '' f; do
+        if gzip -c -n "$f" > "$f".gz; then
+            rm "$f";
+        else
+            rm "$f".gz;
+        fi;
+    done;
+    find "$dir"/share/man/ -type l -a '!' -regex '.*\.\(bz2\|gz\)$' -print0 | sort -z | while IFS= read -r -d '' f; do
+        local target;
+        target="$(readlink -f "$f")";
+        if [ -f "$target".gz ]; then
+            ln -sf "$target".gz "$f".gz && rm "$f";
+        fi;
+    done
+}
+configurePhase () 
+{ 
+    runHook preConfigure;
+    : ${configureScript=};
+    : ${configureFlags=};
+    if [[ -z "$configureScript" && -x ./configure ]]; then
+        configureScript=./configure;
+    fi;
+    if [ -z "${dontFixLibtool:-}" ]; then
+        local i;
+        find . -iname "ltmain.sh" -print0 | while IFS='' read -r -d '' i; do
+            echo "fixing libtool script $i";
+            fixLibtool "$i";
+        done;
+    fi;
+    if [[ -z "${dontAddPrefix:-}" && -n "$prefix" ]]; then
+        configureFlags="${prefixKey:---prefix=}$prefix $configureFlags";
+    fi;
+    if [ -z "${dontAddDisableDepTrack:-}" ]; then
+        if [ -f "$configureScript" ] && grep -q dependency-tracking "$configureScript"; then
+            configureFlags="--disable-dependency-tracking $configureFlags";
+        fi;
+    fi;
+    if [ -z "${dontDisableStatic:-}" ]; then
+        if [ -f "$configureScript" ] && grep -q enable-static "$configureScript"; then
+            configureFlags="--disable-static $configureFlags";
+        fi;
+    fi;
+    if [ -n "$configureScript" ]; then
+        local flagsArray=($configureFlags ${configureFlagsArray+"${configureFlagsArray[@]}"});
+        echoCmd 'configure flags' "${flagsArray[@]}";
+        $configureScript "${flagsArray[@]}";
+        unset flagsArray;
+    else
+        echo "no configure script, doing nothing";
+    fi;
+    runHook postConfigure
+}
+consumeEntire () 
+{ 
+    if IFS='' read -r -N 0 $1; then
+        echo "consumeEntire(): ERROR: Input null bytes, won't process" 1>&2;
+        return 1;
+    fi
+}
+distPhase () 
+{ 
+    runHook preDist;
+    local flagsArray=($distFlags ${distFlagsArray+"${distFlagsArray[@]}"} ${distTarget:-dist});
+    echo 'dist flags: %q' "${flagsArray[@]}";
+    make ${makefile:+-f $makefile} "${flagsArray[@]}";
+    if [ "${dontCopyDist:-0}" != 1 ]; then
+        mkdir -p "$out/tarballs";
+        cp -pvd ${tarballs:-*.tar.gz} "$out/tarballs";
+    fi;
+    runHook postDist
+}
+dumpVars () 
+{ 
+    if [ "${noDumpEnvVars:-0}" != 1 ]; then
+        export 2> /dev/null >| "$NIX_BUILD_TOP/env-vars" || true;
+    fi
+}
+echoCmd () 
+{ 
+    printf "%s:" "$1";
+    shift;
+    printf ' %q' "$@";
+    echo
+}
+exitHandler () 
+{ 
+    exitCode="$?";
+    set +e;
+    if [ -n "${showBuildStats:-}" ]; then
+        times > "$NIX_BUILD_TOP/.times";
+        local -a times=($(cat "$NIX_BUILD_TOP/.times"));
+        echo "build time elapsed: " "${times[@]}";
+    fi;
+    if (( "$exitCode" != 0 )); then
+        runHook failureHook;
+        if [ -n "${succeedOnFailure:-}" ]; then
+            echo "build failed with exit code $exitCode (ignored)";
+            mkdir -p "$out/nix-support";
+            printf "%s" "$exitCode" > "$out/nix-support/failed";
+            exit 0;
+        fi;
+    else
+        runHook exitHook;
+    fi;
+    exit "$exitCode"
+}
+findInputs () 
+{ 
+    local -r pkg="$1";
+    local -ri hostOffset="$2";
+    local -ri targetOffset="$3";
+    (( "$hostOffset" <= "$targetOffset" )) || exit -1;
+    local varVar="${pkgAccumVarVars[$hostOffset + 1]}";
+    local varRef="$varVar[\$targetOffset - \$hostOffset]";
+    local var="${!varRef}";
+    unset -v varVar varRef;
+    local varSlice="$var[*]";
+    case "${!varSlice-}" in 
+        *" $pkg "*)
+            return 0
+        ;;
+    esac;
+    unset -v varSlice;
+    eval "$var"'+=("$pkg")';
+    if ! [ -e "$pkg" ]; then
+        echo "build input $pkg does not exist" 1>&2;
+        exit 1;
+    fi;
+    local -i mapOffsetResult;
+    function mapOffset () 
+    { 
+        local -ri inputOffset="$1";
+        if (( "$inputOffset" <= 0 )); then
+            local -ri outputOffset="$inputOffset + $hostOffset";
+        else
+            local -ri outputOffset="$inputOffset - 1 + $targetOffset";
+        fi;
+        mapOffsetResult="$outputOffset"
+    };
+    local -i relHostOffset;
+    for relHostOffset in "${allPlatOffsets[@]}";
+    do
+        local files="${propagatedDepFilesVars[$relHostOffset + 1]}";
+        mapOffset relHostOffset;
+        local -i hostOffsetNext="$mapOffsetResult";
+        [[ "${allPlatOffsets[*]}" = *"$hostOffsetNext"* ]] || continue;
+        local -i relTargetOffset;
+        for relTargetOffset in "${allPlatOffsets[@]}";
+        do
+            (( "$relHostOffset" <= "$relTargetOffset" )) || continue;
+            local fileRef="${files}[$relTargetOffset - $relHostOffset]";
+            local file="${!fileRef}";
+            unset -v fileRef;
+            mapOffset relTargetOffset;
+            local -i targetOffsetNext="$mapOffsetResult";
+            [[ "${allPlatOffsets[*]}" = *"$targetOffsetNext"* ]] || continue;
+            [[ -f "$pkg/nix-support/$file" ]] || continue;
+            local pkgNext;
+            read -r -d '' pkgNext < "$pkg/nix-support/$file" || true;
+            for pkgNext in $pkgNext;
+            do
+                findInputs "$pkgNext" "$hostOffsetNext" "$targetOffsetNext";
+            done;
+        done;
+    done
+}
+fixLibtool () 
+{ 
+    sed -i -e 's^eval sys_lib_.*search_path=.*^^' "$1"
+}
+fixupPhase () 
+{ 
+    local output;
+    for output in $outputs;
+    do
+        if [ -e "${!output}" ]; then
+            chmod -R u+w "${!output}";
+        fi;
+    done;
+    runHook preFixup;
+    local output;
+    for output in $outputs;
+    do
+        prefix="${!output}" runHook fixupOutput;
+    done;
+    declare -ra flatVars=(depsBuildBuildPropagated propagatedNativeBuildInputs depsBuildTargetPropagated depsHostHostPropagated propagatedBuildInputs depsTargetTargetPropagated);
+    declare -ra flatFiles=("${propagatedBuildDepFiles[@]}" "${propagatedHostDepFiles[@]}" "${propagatedTargetDepFiles[@]}");
+    local propagatedInputsIndex;
+    for propagatedInputsIndex in "${!flatVars[@]}";
+    do
+        local propagatedInputsSlice="${flatVars[$propagatedInputsIndex]}[@]";
+        local propagatedInputsFile="${flatFiles[$propagatedInputsIndex]}";
+        [[ -n "${!propagatedInputsSlice}" ]] || continue;
+        mkdir -p "${!outputDev}/nix-support";
+        printWords ${!propagatedInputsSlice} > "${!outputDev}/nix-support/$propagatedInputsFile";
+    done;
+    if [ -n "${setupHook:-}" ]; then
+        mkdir -p "${!outputDev}/nix-support";
+        substituteAll "$setupHook" "${!outputDev}/nix-support/setup-hook";
+    fi;
+    if [ -n "${setupHooks:-}" ]; then
+        mkdir -p "${!outputDev}/nix-support";
+        local hook;
+        for hook in $setupHooks;
+        do
+            local content;
+            consumeEntire content < "$hook";
+            substituteAllStream content "file '$hook'" >> "${!outputDev}/nix-support/setup-hook";
+            unset -v content;
+        done;
+        unset -v hook;
+    fi;
+    if [ -n "${propagatedUserEnvPkgs:-}" ]; then
+        mkdir -p "${!outputBin}/nix-support";
+        printWords $propagatedUserEnvPkgs > "${!outputBin}/nix-support/propagated-user-env-packages";
+    fi;
+    runHook postFixup
+}
+genericBuild () 
+{ 
+    if [ -f "${buildCommandPath:-}" ]; then
+        source "$buildCommandPath";
+        return;
+    fi;
+    if [ -n "${buildCommand:-}" ]; then
+        eval "$buildCommand";
+        return;
+    fi;
+    if [ -z "${phases:-}" ]; then
+        phases="${prePhases:-} unpackPhase patchPhase ${preConfigurePhases:-}             configurePhase ${preBuildPhases:-} buildPhase checkPhase             ${preInstallPhases:-} installPhase ${preFixupPhases:-} fixupPhase installCheckPhase             ${preDistPhases:-} distPhase ${postPhases:-}";
+    fi;
+    for curPhase in $phases;
+    do
+        if [[ "$curPhase" = unpackPhase && -n "${dontUnpack:-}" ]]; then
+            continue;
+        fi;
+        if [[ "$curPhase" = patchPhase && -n "${dontPatch:-}" ]]; then
+            continue;
+        fi;
+        if [[ "$curPhase" = configurePhase && -n "${dontConfigure:-}" ]]; then
+            continue;
+        fi;
+        if [[ "$curPhase" = buildPhase && -n "${dontBuild:-}" ]]; then
+            continue;
+        fi;
+        if [[ "$curPhase" = checkPhase && -z "${doCheck:-}" ]]; then
+            continue;
+        fi;
+        if [[ "$curPhase" = installPhase && -n "${dontInstall:-}" ]]; then
+            continue;
+        fi;
+        if [[ "$curPhase" = fixupPhase && -n "${dontFixup:-}" ]]; then
+            continue;
+        fi;
+        if [[ "$curPhase" = installCheckPhase && -z "${doInstallCheck:-}" ]]; then
+            continue;
+        fi;
+        if [[ "$curPhase" = distPhase && -z "${doDist:-}" ]]; then
+            continue;
+        fi;
+        if [[ -n $NIX_LOG_FD ]]; then
+            echo "@nix { \"action\": \"setPhase\", \"phase\": \"$curPhase\" }" 1>&$NIX_LOG_FD;
+        fi;
+        showPhaseHeader "$curPhase";
+        dumpVars;
+        eval "${!curPhase:-$curPhase}";
+        if [ "$curPhase" = unpackPhase ]; then
+            cd "${sourceRoot:-.}";
+        fi;
+    done
+}
+getHostRole () 
+{ 
+    getRole "$hostOffset"
+}
+getHostRoleEnvHook () 
+{ 
+    getRole "$depHostOffset"
+}
+getRole () 
+{ 
+    case $1 in 
+        -1)
+            role_post='_FOR_BUILD'
+        ;;
+        0)
+            role_post=''
+        ;;
+        1)
+            role_post='_FOR_TARGET'
+        ;;
+        *)
+            echo "binutils-wrapper-2.35.1: used as improper sort of dependency" > 2;
+            return 1
+        ;;
+    esac
+}
+getTargetRole () 
+{ 
+    getRole "$targetOffset"
+}
+getTargetRoleEnvHook () 
+{ 
+    getRole "$depTargetOffset"
+}
+getTargetRoleWrapper () 
+{ 
+    case $targetOffset in 
+        -1)
+            export NIX_BINTOOLS_WRAPPER_TARGET_BUILD_x86_64_unknown_linux_gnu=1
+        ;;
+        0)
+            export NIX_BINTOOLS_WRAPPER_TARGET_HOST_x86_64_unknown_linux_gnu=1
+        ;;
+        1)
+            export NIX_BINTOOLS_WRAPPER_TARGET_TARGET_x86_64_unknown_linux_gnu=1
+        ;;
+        *)
+            echo "binutils-wrapper-2.35.1: used as improper sort of dependency" > 2;
+            return 1
+        ;;
+    esac
+}
+header () 
+{ 
+    echo "$1"
+}
+installCheckPhase () 
+{ 
+    runHook preInstallCheck;
+    if [[ -z "${foundMakefile:-}" ]]; then
+        echo "no Makefile or custom installCheckPhase, doing nothing";
+    else
+        if [[ -z "${installCheckTarget:-}" ]] && ! make -n ${makefile:+-f $makefile} ${installCheckTarget:-installcheck} > /dev/null 2>&1; then
+            echo "no installcheck target in ${makefile:-Makefile}, doing nothing";
+        else
+            local flagsArray=(${enableParallelChecking:+-j${NIX_BUILD_CORES} -l${NIX_BUILD_CORES}} SHELL=$SHELL $makeFlags ${makeFlagsArray+"${makeFlagsArray[@]}"} $installCheckFlags ${installCheckFlagsArray+"${installCheckFlagsArray[@]}"} ${installCheckTarget:-installcheck});
+            echoCmd 'installcheck flags' "${flagsArray[@]}";
+            make ${makefile:+-f $makefile} "${flagsArray[@]}";
+            unset flagsArray;
+        fi;
+    fi;
+    runHook postInstallCheck
+}
+installPhase () 
+{ 
+    runHook preInstall;
+    if [ -n "$prefix" ]; then
+        mkdir -p "$prefix";
+    fi;
+    local flagsArray=(SHELL=$SHELL $makeFlags ${makeFlagsArray+"${makeFlagsArray[@]}"} $installFlags ${installFlagsArray+"${installFlagsArray[@]}"} ${installTargets:-install});
+    echoCmd 'install flags' "${flagsArray[@]}";
+    make ${makefile:+-f $makefile} "${flagsArray[@]}";
+    unset flagsArray;
+    runHook postInstall
+}
+isELF () 
+{ 
+    local fn="$1";
+    local fd;
+    local magic;
+    exec {fd}< "$fn";
+    read -r -n 4 -u "$fd" magic;
+    exec {fd}>&-;
+    if [ "$magic" = 'ELF' ]; then
+        return 0;
+    else
+        return 1;
+    fi
+}
+isScript () 
+{ 
+    local fn="$1";
+    local fd;
+    local magic;
+    exec {fd}< "$fn";
+    read -r -n 2 -u "$fd" magic;
+    exec {fd}>&-;
+    if [[ "$magic" =~ \#! ]]; then
+        return 0;
+    else
+        return 1;
+    fi
+}
+mapOffset () 
+{ 
+    local -ri inputOffset="$1";
+    if (( "$inputOffset" <= 0 )); then
+        local -ri outputOffset="$inputOffset + $hostOffset";
+    else
+        local -ri outputOffset="$inputOffset - 1 + $targetOffset";
+    fi;
+    mapOffsetResult="$outputOffset"
+}
+moveToOutput () 
+{ 
+    local patt="$1";
+    local dstOut="$2";
+    local output;
+    for output in $outputs;
+    do
+        if [ "${!output}" = "$dstOut" ]; then
+            continue;
+        fi;
+        local srcPath;
+        for srcPath in "${!output}"/$patt;
+        do
+            if [ ! -e "$srcPath" ] && [ ! -L "$srcPath" ]; then
+                continue;
+            fi;
+            if [ "$dstOut" = REMOVE ]; then
+                echo "Removing $srcPath";
+                rm -r "$srcPath";
+            else
+                local dstPath="$dstOut${srcPath#${!output}}";
+                echo "Moving $srcPath to $dstPath";
+                if [ -d "$dstPath" ] && [ -d "$srcPath" ]; then
+                    rmdir "$srcPath" --ignore-fail-on-non-empty;
+                    if [ -d "$srcPath" ]; then
+                        mv -t "$dstPath" "$srcPath"/*;
+                        rmdir "$srcPath";
+                    fi;
+                else
+                    mkdir -p "$(readlink -m "$dstPath/..")";
+                    mv "$srcPath" "$dstPath";
+                fi;
+            fi;
+            local srcParent="$(readlink -m "$srcPath/..")";
+            if rmdir "$srcParent"; then
+                echo "Removing empty $srcParent/ and (possibly) its parents";
+                rmdir -p --ignore-fail-on-non-empty "$(readlink -m "$srcParent/..")" 2> /dev/null || true;
+            fi;
+        done;
+    done
+}
+patchELF () 
+{ 
+    local dir="$1";
+    [ -e "$dir" ] || return 0;
+    header "shrinking RPATHs of ELF executables and libraries in $dir";
+    local i;
+    while IFS= read -r -d '' i; do
+        if [[ "$i" =~ .build-id ]]; then
+            continue;
+        fi;
+        if ! isELF "$i"; then
+            continue;
+        fi;
+        echo "shrinking $i";
+        patchelf --shrink-rpath "$i" || true;
+    done < <(find "$dir" -type f -print0);
+    stopNest
+}
+patchPhase () 
+{ 
+    runHook prePatch;
+    for i in ${patches:-};
+    do
+        header "applying patch $i" 3;
+        local uncompress=cat;
+        case "$i" in 
+            *.gz)
+                uncompress="gzip -d"
+            ;;
+            *.bz2)
+                uncompress="bzip2 -d"
+            ;;
+            *.xz)
+                uncompress="xz -d"
+            ;;
+            *.lzma)
+                uncompress="lzma -d"
+            ;;
+        esac;
+        $uncompress < "$i" 2>&1 | patch ${patchFlags:--p1};
+    done;
+    runHook postPatch
+}
+patchShebangs () 
+{ 
+    local pathName;
+    if [[ "$1" == "--host" ]]; then
+        pathName=HOST_PATH;
+        shift;
+    else
+        if [[ "$1" == "--build" ]]; then
+            pathName=PATH;
+            shift;
+        fi;
+    fi;
+    echo "patching script interpreter paths in $@";
+    local f;
+    local oldPath;
+    local newPath;
+    local arg0;
+    local args;
+    local oldInterpreterLine;
+    local newInterpreterLine;
+    if [[ $# -eq 0 ]]; then
+        echo "No arguments supplied to patchShebangs" 1>&2;
+        return 0;
+    fi;
+    local f;
+    while IFS= read -r -d '' f; do
+        isScript "$f" || continue;
+        read -r oldInterpreterLine < "$f";
+        read -r oldPath arg0 args <<< "${oldInterpreterLine:2}";
+        if [[ -z "$pathName" ]]; then
+            if [[ -n $strictDeps && $f == "$NIX_STORE"* ]]; then
+                pathName=HOST_PATH;
+            else
+                pathName=PATH;
+            fi;
+        fi;
+        if [[ "$oldPath" == *"/bin/env" ]]; then
+            if [[ $arg0 == "-"* || $arg0 == *"="* ]]; then
+                echo "$f: unsupported interpreter directive \"$oldInterpreterLine\" (set dontPatchShebangs=1 and handle shebang patching yourself)" 1>&2;
+                exit 1;
+            fi;
+            newPath="$(PATH="${!pathName}" command -v "$arg0" || true)";
+        else
+            if [[ -z $oldPath ]]; then
+                oldPath="/bin/sh";
+            fi;
+            newPath="$(PATH="${!pathName}" command -v "$(basename "$oldPath")" || true)";
+            args="$arg0 $args";
+        fi;
+        newInterpreterLine="$newPath $args";
+        newInterpreterLine=${newInterpreterLine%${newInterpreterLine##*[![:space:]]}};
+        if [[ -n "$oldPath" && "${oldPath:0:${#NIX_STORE}}" != "$NIX_STORE" ]]; then
+            if [[ -n "$newPath" && "$newPath" != "$oldPath" ]]; then
+                echo "$f: interpreter directive changed from \"$oldInterpreterLine\" to \"$newInterpreterLine\"";
+                escapedInterpreterLine=${newInterpreterLine//\\/\\\\};
+                timestamp=$(stat --printf "%y" "$f");
+                sed -i -e "1 s|.*|#\!$escapedInterpreterLine|" "$f";
+                touch --date "$timestamp" "$f";
+            fi;
+        fi;
+    done < <(find "$@" -type f -perm -0100 -print0);
+    stopNest
+}
+patchShebangsAuto () 
+{ 
+    if [[ -z "${dontPatchShebangs-}" && -e "$prefix" ]]; then
+        if [[ "$output" != out && "$output" = "$outputDev" ]]; then
+            patchShebangs --build "$prefix";
+        else
+            patchShebangs --host "$prefix";
+        fi;
+    fi
+}
+printLines () 
+{ 
+    (( "$#" > 0 )) || return 0;
+    printf '%s\n' "$@"
+}
+printWords () 
+{ 
+    (( "$#" > 0 )) || return 0;
+    printf '%s ' "$@"
+}
+runHook () 
+{ 
+    local hookName="$1";
+    shift;
+    local hooksSlice="${hookName%Hook}Hooks[@]";
+    local hook;
+    for hook in "_callImplicitHook 0 $hookName" ${!hooksSlice+"${!hooksSlice}"};
+    do
+        _eval "$hook" "$@";
+    done;
+    return 0
+}
+runOneHook () 
+{ 
+    local hookName="$1";
+    shift;
+    local hooksSlice="${hookName%Hook}Hooks[@]";
+    local hook ret=1;
+    for hook in "_callImplicitHook 1 $hookName" ${!hooksSlice+"${!hooksSlice}"};
+    do
+        if _eval "$hook" "$@"; then
+            ret=0;
+            break;
+        fi;
+    done;
+    return "$ret"
+}
+showPhaseHeader () 
+{ 
+    local phase="$1";
+    case "$phase" in 
+        unpackPhase)
+            header "unpacking sources"
+        ;;
+        patchPhase)
+            header "patching sources"
+        ;;
+        configurePhase)
+            header "configuring"
+        ;;
+        buildPhase)
+            header "building"
+        ;;
+        checkPhase)
+            header "running tests"
+        ;;
+        installPhase)
+            header "installing"
+        ;;
+        fixupPhase)
+            header "post-installation fixup"
+        ;;
+        installCheckPhase)
+            header "running install tests"
+        ;;
+        *)
+            header "$phase"
+        ;;
+    esac
+}
+stopNest () 
+{ 
+    true
+}
+stripDirs () 
+{ 
+    local cmd="$1";
+    local dirs="$2";
+    local stripFlags="$3";
+    local dirsNew=;
+    local d;
+    for d in ${dirs};
+    do
+        if [ -d "$prefix/$d" ]; then
+            dirsNew="${dirsNew} $prefix/$d ";
+        fi;
+    done;
+    dirs=${dirsNew};
+    if [ -n "${dirs}" ]; then
+        header "stripping (with command $cmd and flags $stripFlags) in$dirs";
+        find $dirs -type f -exec $cmd $commonStripFlags $stripFlags '{}' \; 2> /dev/null;
+        stopNest;
+    fi
+}
+stripHash () 
+{ 
+    local strippedName casematchOpt=0;
+    strippedName="$(basename -- "$1")";
+    shopt -q nocasematch && casematchOpt=1;
+    shopt -u nocasematch;
+    if [[ "$strippedName" =~ ^[a-z0-9]{32}- ]]; then
+        echo "${strippedName:33}";
+    else
+        echo "$strippedName";
+    fi;
+    if (( casematchOpt )); then
+        shopt -s nocasematch;
+    fi
+}
+substitute () 
+{ 
+    local input="$1";
+    local output="$2";
+    shift 2;
+    if [ ! -f "$input" ]; then
+        echo "substitute(): ERROR: file '$input' does not exist" 1>&2;
+        return 1;
+    fi;
+    local content;
+    consumeEntire content < "$input";
+    if [ -e "$output" ]; then
+        chmod +w "$output";
+    fi;
+    substituteStream content "file '$input'" "$@" > "$output"
+}
+substituteAll () 
+{ 
+    local input="$1";
+    local output="$2";
+    local -a args=();
+    _allFlags;
+    substitute "$input" "$output" "${args[@]}"
+}
+substituteAllInPlace () 
+{ 
+    local fileName="$1";
+    shift;
+    substituteAll "$fileName" "$fileName" "$@"
+}
+substituteAllStream () 
+{ 
+    local -a args=();
+    _allFlags;
+    substituteStream "$1" "$2" "${args[@]}"
+}
+substituteInPlace () 
+{ 
+    local fileName="$1";
+    shift;
+    substitute "$fileName" "$fileName" "$@"
+}
+substituteStream () 
+{ 
+    local var=$1;
+    local description=$2;
+    shift 2;
+    while (( "$#" )); do
+        case "$1" in 
+            --replace)
+                pattern="$2";
+                replacement="$3";
+                shift 3;
+                local savedvar;
+                savedvar="${!var}";
+                eval "$var"'=${'"$var"'//"$pattern"/"$replacement"}';
+                if [ "$pattern" != "$replacement" ]; then
+                    if [ "${!var}" == "$savedvar" ]; then
+                        echo "substituteStream(): WARNING: pattern '$pattern' doesn't match anything in $description" 1>&2;
+                    fi;
+                fi
+            ;;
+            --subst-var)
+                local varName="$2";
+                shift 2;
+                if ! [[ "$varName" =~ ^[a-zA-Z_][a-zA-Z0-9_]*$ ]]; then
+                    echo "substituteStream(): ERROR: substitution variables must be valid Bash names, \"$varName\" isn't." 1>&2;
+                    return 1;
+                fi;
+                if [ -z ${!varName+x} ]; then
+                    echo "substituteStream(): ERROR: variable \$$varName is unset" 1>&2;
+                    return 1;
+                fi;
+                pattern="@$varName@";
+                replacement="${!varName}";
+                eval "$var"'=${'"$var"'//"$pattern"/"$replacement"}'
+            ;;
+            --subst-var-by)
+                pattern="@$2@";
+                replacement="$3";
+                eval "$var"'=${'"$var"'//"$pattern"/"$replacement"}';
+                shift 3
+            ;;
+            *)
+                echo "substituteStream(): ERROR: Invalid command line argument: $1" 1>&2;
+                return 1
+            ;;
+        esac;
+    done;
+    printf "%s" "${!var}"
+}
+unpackFile () 
+{ 
+    curSrc="$1";
+    header "unpacking source archive $curSrc" 3;
+    if ! runOneHook unpackCmd "$curSrc"; then
+        echo "do not know how to unpack source archive $curSrc";
+        exit 1;
+    fi
+}
+unpackPhase () 
+{ 
+    runHook preUnpack;
+    if [ -z "${srcs:-}" ]; then
+        if [ -z "${src:-}" ]; then
+            echo 'variable $src or $srcs should point to the source';
+            exit 1;
+        fi;
+        srcs="$src";
+    fi;
+    local dirsBefore="";
+    for i in *;
+    do
+        if [ -d "$i" ]; then
+            dirsBefore="$dirsBefore $i ";
+        fi;
+    done;
+    for i in $srcs;
+    do
+        unpackFile "$i";
+    done;
+    : ${sourceRoot=};
+    if [ -n "${setSourceRoot:-}" ]; then
+        runOneHook setSourceRoot;
+    else
+        if [ -z "$sourceRoot" ]; then
+            for i in *;
+            do
+                if [ -d "$i" ]; then
+                    case $dirsBefore in 
+                        *\ $i\ *)
 
+                        ;;
+                        *)
+                            if [ -n "$sourceRoot" ]; then
+                                echo "unpacker produced multiple directories";
+                                exit 1;
+                            fi;
+                            sourceRoot="$i"
+                        ;;
+                    esac;
+                fi;
+            done;
+        fi;
+    fi;
+    if [ -z "$sourceRoot" ]; then
+        echo "unpacker appears to have produced no directories";
+        exit 1;
+    fi;
+    echo "source root is $sourceRoot";
+    if [ "${dontMakeSourcesWritable:-0}" != 1 ]; then
+        chmod -R u+w -- "$sourceRoot";
+    fi;
+    runHook postUnpack
+}
+updateSourceDateEpoch () 
+{ 
+    local path="$1";
+    local -a res=($(find "$path" -type f -not -newer "$NIX_BUILD_TOP/.." -printf '%T@ %p\0'                     | sort -n --zero-terminated | tail -n1 --zero-terminated | head -c -1));
+    local time="${res[0]//\.[0-9]*/}";
+    local newestFile="${res[1]}";
+    if [ "${time:-0}" -gt "$SOURCE_DATE_EPOCH" ]; then
+        echo "setting SOURCE_DATE_EPOCH to timestamp $time of file $newestFile";
+        export SOURCE_DATE_EPOCH="$time";
+        local now="$(date +%s)";
+        if [ "$time" -gt $((now - 60)) ]; then
+            echo "warning: file $newestFile may be generated; SOURCE_DATE_EPOCH may be non-deterministic";
+        fi;
+    fi
+}
+
+export NIX_BUILD_TOP="$(mktemp -d -t nix-shell.XXXXXX)"
+export TMP="$NIX_BUILD_TOP"
+export TMPDIR="$NIX_BUILD_TOP"
+export TEMP="$NIX_BUILD_TOP"
+export TEMPDIR="$NIX_BUILD_TOP"
+eval "$shellHook"
diff --git a/flake.lock b/flake.lock
index dca79f6..2d01218 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,21 +1,5 @@
 {
   "nodes": {
-    "flake-compat": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1606424373,
-        "narHash": "sha256-oq8d4//CJOrVj+EcOaSXvMebvuTkmBJuT5tzlfewUnQ=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "99f1c2157fba4bfe6211a321fd0ee43199025dbf",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
     "gitignore": {
       "flake": false,
       "locked": {
@@ -49,7 +33,6 @@
     },
     "root": {
       "inputs": {
-        "flake-compat": "flake-compat",
         "gitignore": "gitignore",
         "nixpkgs": "nixpkgs",
         "utils": "utils"
diff --git a/flake.nix b/flake.nix
index 525ebc6..3179176 100644
--- a/flake.nix
+++ b/flake.nix
@@ -8,15 +8,13 @@
       url = "github:hercules-ci/gitignore";
       flake = false;
     };
-    flake-compat = {
-      url = "github:edolstra/flake-compat";
-      flake = false;
-    };
   };
 
   outputs = { self, nixpkgs, utils, gitignore, ... }:
     utils.lib.eachDefaultSystem (system:
       let
+        pname = "report";
+        version = "0.1.0";
         pkgs = nixpkgs.legacyPackages."${system}";
         inherit (import gitignore { inherit (pkgs) lib; }) gitignoreSource;
         nativeBuildInputs = with pkgs; [
@@ -32,24 +30,38 @@
           })
           gnumake
         ];
+        watcher = pkgs.writeScriptBin "watch" ''
+          out=".latexmkout"
+          mkdir "$out"
+          latexmk \
+            -pvc \
+            -outdir="$out" \
+            -pdf \
+            -pdflatex="pdflatex -interaction=nonstopmode" \
+            -use-make ${pname}.tex
+          rm -r "$out"
+        '';
       in
       rec {
-        defaultPackage = stdenv.mkDerivation {
-          pname = "report";
-          version = "0.1.0";
+        defaultPackage = pkgs.stdenv.mkDerivation {
+          inherit pname version;
           src = gitignoreSource ./.;
           buildInputs = nativeBuildInputs;
           buildPhase = ''
-            latexmk -pdf \
+            latexmk \
+              -pdf \
               -pdflatex="pdflatex -interaction=nonstopmode" \
-              -use-make 
-              ${pname}.tex
+              -use-make ${pname}.tex
           '';
           installPhase = ''
             mkdir -p $out
             cp ${pname}.pdf $out/
           '';
         };
+        apps.watch = {
+          type = "app";
+          program = "${watcher}/bin/watch";
+        };
         devShell = pkgs.mkShell {
           nativeBuildInputs = nativeBuildInputs;
         };