From 7979dd9cc3d2c3c2782cdabc2411b3acf7b7d5f2 Mon Sep 17 00:00:00 2001 From: Akshay Date: Fri, 26 Feb 2021 10:17:12 +0530 Subject: init with spec info --- .direnv/flake-profile | 1 + .direnv/flake-profile.rc | 1504 ++++++++++++++++++++++++++++++++++++++++++++++ .gitignore | 2 + Cargo.toml | 9 + flake.lock | 91 +++ flake.nix | 55 ++ spec.md | 45 ++ src/lib.rs | 7 + 8 files changed, 1714 insertions(+) create mode 120000 .direnv/flake-profile create mode 100644 .direnv/flake-profile.rc create mode 100644 .gitignore create mode 100644 Cargo.toml create mode 100644 flake.lock create mode 100644 flake.nix create mode 100644 spec.md create mode 100644 src/lib.rs diff --git a/.direnv/flake-profile b/.direnv/flake-profile new file mode 120000 index 0000000..624f00f --- /dev/null +++ b/.direnv/flake-profile @@ -0,0 +1 @@ +/nix/store/hk8227smba1l2lrk4np5fqy2hkb0jaf3-nix-shell-env \ No newline at end of file diff --git a/.direnv/flake-profile.rc b/.direnv/flake-profile.rc new file mode 100644 index 0000000..49f03d2 --- /dev/null +++ b/.direnv/flake-profile.rc @@ -0,0 +1,1504 @@ +unset shellHook +nix_saved_PATH="$PATH" +AR=ar +export AR +AS=as +export AS +BASH=/nix/store/yyy7wr7r9jwjjqkr1yn643g3wzv010zd-bash-4.4-p23/bin/bash +CC=gcc +export CC +CONFIG_SHELL=/nix/store/yyy7wr7r9jwjjqkr1yn643g3wzv010zd-bash-4.4-p23/bin/bash +export CONFIG_SHELL +CXX=g++ +export CXX +DIRSTACK=() +GROUPS=() +HOSTTYPE=x86_64 +HOST_PATH=/nix/store/ypsd29c5hgj1x7xz5ddffanxw5d8fh7b-coreutils-8.32/bin:/nix/store/nq9l23mrm8irvl9qvxgvxqqkm5sfnc9d-findutils-4.7.0/bin:/nix/store/7yq29nnglh2s576n7vdmzqryym22f8rj-diffutils-3.7/bin:/nix/store/0839nqri8w69c91amlsq9bawaqlzpmh9-gnused-4.8/bin:/nix/store/wmiyjdsaydyv024al5ddqd3liljrfvk7-gnugrep-3.6/bin:/nix/store/snmar11l5w9jrxva2s5d6143nqmdgzqb-gawk-5.1.0/bin:/nix/store/cisss0pcfh72kmnsv4qa6h41wcwb9mkv-gnutar-1.32/bin:/nix/store/prdifiyrxwgf6sp4rwmrqvfdnvf72gw2-gzip-1.10/bin:/nix/store/pp9shwhcdxxbhgp96fcaj0g8x5g54zrl-bzip2-1.0.6.0.1-bin/bin:/nix/store/fydw5vhlhpq438cxv4vwpa8pf8p8fv5s-gnumake-4.3/bin:/nix/store/yyy7wr7r9jwjjqkr1yn643g3wzv010zd-bash-4.4-p23/bin:/nix/store/qcw3qagp709qwfza259zqss5qh4wg789-patch-2.7.6/bin:/nix/store/q0jqhjabwaaak30l4sq3z0xi6jrkpnbn-xz-5.2.5-bin/bin +export HOST_PATH +IFS=$' \t\n' +IN_NIX_SHELL=impure +export IN_NIX_SHELL +LD=ld +export LD +MACHTYPE=x86_64-unknown-linux-gnu +NIX_BINTOOLS=/nix/store/f4w8p656gg6v2k1v0whwmyk09kz3k8ic-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/i9a3zzf2spmw67jppvkj2yavnbka62id-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=hk8227smba -isystem /nix/store/91ym2jzh08470r4jb1d5pmh22vg2bpck-openssl-1.1.1i-dev/include -isystem /nix/store/saiwalr8jq58mbyipkn824r93gjjnw5x-ncurses-6.2-dev/include -isystem /nix/store/91ym2jzh08470r4jb1d5pmh22vg2bpck-openssl-1.1.1i-dev/include -isystem /nix/store/saiwalr8jq58mbyipkn824r93gjjnw5x-ncurses-6.2-dev/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/rust/obi/outputs/out/lib64 -rpath /home/np/code/rust/obi/outputs/out/lib -L/nix/store/ni0nxz7jnd3scrfqsdr6cragl95fqmyb-rust-1.50.0-nightly-2020-12-22-bb1fbbf84/lib -L/nix/store/kchm26396krqwdn2dkx6l0hb79lwlhr1-openssl-1.1.1i/lib -L/nix/store/d3nz4c5xf1bqz8rwr8m4gbsrny9ffidk-ncurses-6.2/lib -L/nix/store/ni0nxz7jnd3scrfqsdr6cragl95fqmyb-rust-1.50.0-nightly-2020-12-22-bb1fbbf84/lib -L/nix/store/kchm26396krqwdn2dkx6l0hb79lwlhr1-openssl-1.1.1i/lib -L/nix/store/d3nz4c5xf1bqz8rwr8m4gbsrny9ffidk-ncurses-6.2/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/ni0nxz7jnd3scrfqsdr6cragl95fqmyb-rust-1.50.0-nightly-2020-12-22-bb1fbbf84/bin:/nix/store/pj3m562kh9lr7wjk3hlyandhd1qpapgh-rust-analyzer-unstable-2021-02-22/bin:/nix/store/9p0yf4yzsc8by6xviags56c3mb3fxkkw-cargo-1.49.0/bin:/nix/store/71707dbkha4mryph7ywp48wi2r1sc0hf-openssl-1.1.1i-bin/bin:/nix/store/saiwalr8jq58mbyipkn824r93gjjnw5x-ncurses-6.2-dev/bin:/nix/store/d3nz4c5xf1bqz8rwr8m4gbsrny9ffidk-ncurses-6.2/bin:/nix/store/d7lyvmvzf1a8qqhsxhdc3r6dwbdmfcap-patchelf-0.12/bin:/nix/store/i9a3zzf2spmw67jppvkj2yavnbka62id-gcc-wrapper-10.2.0/bin:/nix/store/wxri3dc14yd1w997vjfvsnn6qml64l4r-gcc-10.2.0/bin:/nix/store/fr2k1vwmyd5ngmb3y0v090nh21nn6gqp-glibc-2.32-35-bin/bin:/nix/store/ypsd29c5hgj1x7xz5ddffanxw5d8fh7b-coreutils-8.32/bin:/nix/store/f4w8p656gg6v2k1v0whwmyk09kz3k8ic-binutils-wrapper-2.35.1/bin:/nix/store/9f8y44vmjnwdjvzlff0gm3f3g6ycyyqy-binutils-2.35.1/bin:/nix/store/fr2k1vwmyd5ngmb3y0v090nh21nn6gqp-glibc-2.32-35-bin/bin:/nix/store/ypsd29c5hgj1x7xz5ddffanxw5d8fh7b-coreutils-8.32/bin:/nix/store/ypsd29c5hgj1x7xz5ddffanxw5d8fh7b-coreutils-8.32/bin:/nix/store/nq9l23mrm8irvl9qvxgvxqqkm5sfnc9d-findutils-4.7.0/bin:/nix/store/7yq29nnglh2s576n7vdmzqryym22f8rj-diffutils-3.7/bin:/nix/store/0839nqri8w69c91amlsq9bawaqlzpmh9-gnused-4.8/bin:/nix/store/wmiyjdsaydyv024al5ddqd3liljrfvk7-gnugrep-3.6/bin:/nix/store/snmar11l5w9jrxva2s5d6143nqmdgzqb-gawk-5.1.0/bin:/nix/store/cisss0pcfh72kmnsv4qa6h41wcwb9mkv-gnutar-1.32/bin:/nix/store/prdifiyrxwgf6sp4rwmrqvfdnvf72gw2-gzip-1.10/bin:/nix/store/pp9shwhcdxxbhgp96fcaj0g8x5g54zrl-bzip2-1.0.6.0.1-bin/bin:/nix/store/fydw5vhlhpq438cxv4vwpa8pf8p8fv5s-gnumake-4.3/bin:/nix/store/yyy7wr7r9jwjjqkr1yn643g3wzv010zd-bash-4.4-p23/bin:/nix/store/qcw3qagp709qwfza259zqss5qh4wg789-patch-2.7.6/bin:/nix/store/q0jqhjabwaaak30l4sq3z0xi6jrkpnbn-xz-5.2.5-bin/bin +export PATH +PIPESTATUS=([0]="0") +PS4='+ ' +RANLIB=ranlib +export RANLIB +READELF=readelf +export READELF +RUST_SRC_PATH=/nix/store/ncxadjgpdacbf69yhpgwvwnqhmh5yk96-rust-lib-src +export RUST_SRC_PATH +SHELL=/nix/store/yyy7wr7r9jwjjqkr1yn643g3wzv010zd-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/ni0nxz7jnd3scrfqsdr6cragl95fqmyb-rust-1.50.0-nightly-2020-12-22-bb1fbbf84/share:/nix/store/9p0yf4yzsc8by6xviags56c3mb3fxkkw-cargo-1.49.0/share:/nix/store/d3nz4c5xf1bqz8rwr8m4gbsrny9ffidk-ncurses-6.2/share:/nix/store/d7lyvmvzf1a8qqhsxhdc3r6dwbdmfcap-patchelf-0.12/share +export XDG_DATA_DIRS +_=export +buildInputs= +export buildInputs +builder=/nix/store/yyy7wr7r9jwjjqkr1yn643g3wzv010zd-bash-4.4-p23/bin/bash +export builder +commonStripFlags=--enable-deterministic-archives +configureFlags= +export configureFlags +defaultBuildInputs= +defaultNativeBuildInputs='/nix/store/d7lyvmvzf1a8qqhsxhdc3r6dwbdmfcap-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/i9a3zzf2spmw67jppvkj2yavnbka62id-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/ypsd29c5hgj1x7xz5ddffanxw5d8fh7b-coreutils-8.32 /nix/store/nq9l23mrm8irvl9qvxgvxqqkm5sfnc9d-findutils-4.7.0 /nix/store/7yq29nnglh2s576n7vdmzqryym22f8rj-diffutils-3.7 /nix/store/0839nqri8w69c91amlsq9bawaqlzpmh9-gnused-4.8 /nix/store/wmiyjdsaydyv024al5ddqd3liljrfvk7-gnugrep-3.6 /nix/store/snmar11l5w9jrxva2s5d6143nqmdgzqb-gawk-5.1.0 /nix/store/cisss0pcfh72kmnsv4qa6h41wcwb9mkv-gnutar-1.32 /nix/store/prdifiyrxwgf6sp4rwmrqvfdnvf72gw2-gzip-1.10 /nix/store/pp9shwhcdxxbhgp96fcaj0g8x5g54zrl-bzip2-1.0.6.0.1-bin /nix/store/fydw5vhlhpq438cxv4vwpa8pf8p8fv5s-gnumake-4.3 /nix/store/yyy7wr7r9jwjjqkr1yn643g3wzv010zd-bash-4.4-p23 /nix/store/qcw3qagp709qwfza259zqss5qh4wg789-patch-2.7.6 /nix/store/q0jqhjabwaaak30l4sq3z0xi6jrkpnbn-xz-5.2.5-bin' +name=nix-shell +export name +nativeBuildInputs='/nix/store/ni0nxz7jnd3scrfqsdr6cragl95fqmyb-rust-1.50.0-nightly-2020-12-22-bb1fbbf84 /nix/store/pgzjwsl6ilg93ifsx70ck5l2yv85fknm-rust-src-1.50.0-nightly-2020-12-22-bb1fbbf84 /nix/store/pj3m562kh9lr7wjk3hlyandhd1qpapgh-rust-analyzer-unstable-2021-02-22 /nix/store/9p0yf4yzsc8by6xviags56c3mb3fxkkw-cargo-1.49.0 /nix/store/91ym2jzh08470r4jb1d5pmh22vg2bpck-openssl-1.1.1i-dev /nix/store/saiwalr8jq58mbyipkn824r93gjjnw5x-ncurses-6.2-dev' +export nativeBuildInputs +nobuildPhase=$'echo\necho "This derivation is not meant to be built, aborting";\necho\nexit 1\n' +export nobuildPhase +out=/home/np/code/rust/obi/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/i9a3zzf2spmw67jppvkj2yavnbka62id-gcc-wrapper-10.2.0 +pkgsBuildHost=([0]="/nix/store/ni0nxz7jnd3scrfqsdr6cragl95fqmyb-rust-1.50.0-nightly-2020-12-22-bb1fbbf84" [1]="/nix/store/pgzjwsl6ilg93ifsx70ck5l2yv85fknm-rust-src-1.50.0-nightly-2020-12-22-bb1fbbf84" [2]="/nix/store/pj3m562kh9lr7wjk3hlyandhd1qpapgh-rust-analyzer-unstable-2021-02-22" [3]="/nix/store/9p0yf4yzsc8by6xviags56c3mb3fxkkw-cargo-1.49.0" [4]="/nix/store/91ym2jzh08470r4jb1d5pmh22vg2bpck-openssl-1.1.1i-dev" [5]="/nix/store/71707dbkha4mryph7ywp48wi2r1sc0hf-openssl-1.1.1i-bin" [6]="/nix/store/kchm26396krqwdn2dkx6l0hb79lwlhr1-openssl-1.1.1i" [7]="/nix/store/saiwalr8jq58mbyipkn824r93gjjnw5x-ncurses-6.2-dev" [8]="/nix/store/d3nz4c5xf1bqz8rwr8m4gbsrny9ffidk-ncurses-6.2" [9]="/nix/store/d7lyvmvzf1a8qqhsxhdc3r6dwbdmfcap-patchelf-0.12" [10]="/nix/store/mjjy30kxz775bhhi6j9phw81qh6dsbrf-move-docs.sh" [11]="/nix/store/kxw6q8v6isaqjm702d71n2421cxamq68-make-symlinks-relative.sh" [12]="/nix/store/cl3qd985p1yxyfkj96v0hqxiy3w69xq5-compress-man-pages.sh" [13]="/nix/store/h54dzwd7rdh2jlcv91424csl6d0ccgjy-strip.sh" [14]="/nix/store/bnj8d7mvbkg3vdb07yz74yhl3g107qq5-patch-shebangs.sh" [15]="/nix/store/cickvswrvann041nqxb0rxilc46svw1n-prune-libtool-files.sh" [16]="/nix/store/8zxndz5ag0p6s526c2xyllhk1nrn4c3i-audit-tmpdir.sh" [17]="/nix/store/c8n9kcdddp9np665xz6ri61b383nxvz8-move-systemd-user-units.sh" [18]="/nix/store/1i5y55x4b4m9qkx5dqbmr1r6bvrqbanw-multiple-outputs.sh" [19]="/nix/store/kd4xwxjpjxi71jkm6ka0np72if9rm3y0-move-sbin.sh" [20]="/nix/store/fyaryjvghbkpfnsyw97hb3lyb37s1pd6-move-lib64.sh" [21]="/nix/store/ngg1cv31c8c7bcm2n8ww4g06nq7s4zhm-set-source-date-epoch-to-latest.sh" [22]="/nix/store/pr6nzbscdpg94yvr151lrif2kg0csx7b-reproducible-builds.sh" [23]="/nix/store/i9a3zzf2spmw67jppvkj2yavnbka62id-gcc-wrapper-10.2.0" [24]="/nix/store/f4w8p656gg6v2k1v0whwmyk09kz3k8ic-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/rust/obi/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/yyy7wr7r9jwjjqkr1yn643g3wzv010zd-bash-4.4-p23/bin/bash +export shell +shellHook= +export shellHook +stdenv=/nix/store/sx5hrbrr1g47klxk7x429qd1xwhq9dqq-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" ]; 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 --tmpdir 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/.gitignore b/.gitignore new file mode 100644 index 0000000..96ef6c0 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +/target +Cargo.lock diff --git a/Cargo.toml b/Cargo.toml new file mode 100644 index 0000000..d3ca6e4 --- /dev/null +++ b/Cargo.toml @@ -0,0 +1,9 @@ +[package] +name = "obi" +version = "0.1.0" +authors = ["Akshay "] +edition = "2018" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] diff --git a/flake.lock b/flake.lock new file mode 100644 index 0000000..405e9d8 --- /dev/null +++ b/flake.lock @@ -0,0 +1,91 @@ +{ + "nodes": { + "mozillapkgs": { + "flake": false, + "locked": { + "lastModified": 1603906276, + "narHash": "sha256-RsNPnEKd7BcogwkqhaV5kI/HuNC4flH/OQCC/4W5y/8=", + "owner": "mozilla", + "repo": "nixpkgs-mozilla", + "rev": "8c007b60731c07dd7a052cce508de3bb1ae849b4", + "type": "github" + }, + "original": { + "owner": "mozilla", + "repo": "nixpkgs-mozilla", + "type": "github" + } + }, + "naersk": { + "inputs": { + "nixpkgs": "nixpkgs" + }, + "locked": { + "lastModified": 1613655351, + "narHash": "sha256-BLBnt3BYsh92qKgqZljckM9s5sZUt30cBQF5b/5pVCU=", + "owner": "nmattia", + "repo": "naersk", + "rev": "1a9e5ddc51bc44c1bf872e02fe2702dc40e8af48", + "type": "github" + }, + "original": { + "owner": "nmattia", + "repo": "naersk", + "type": "github" + } + }, + "nixpkgs": { + "locked": { + "lastModified": 1614267055, + "narHash": "sha256-DGhx+THNuZK4btDwp++TlJYXfMxiuhMw3nNLt5w1uA8=", + "owner": "NixOS", + "repo": "nixpkgs", + "rev": "1d982f3677cf9df4cbd5095558a6d954d97e3cc2", + "type": "github" + }, + "original": { + "id": "nixpkgs", + "type": "indirect" + } + }, + "nixpkgs_2": { + "locked": { + "lastModified": 1614267055, + "narHash": "sha256-DGhx+THNuZK4btDwp++TlJYXfMxiuhMw3nNLt5w1uA8=", + "owner": "NixOS", + "repo": "nixpkgs", + "rev": "1d982f3677cf9df4cbd5095558a6d954d97e3cc2", + "type": "github" + }, + "original": { + "id": "nixpkgs", + "type": "indirect" + } + }, + "root": { + "inputs": { + "mozillapkgs": "mozillapkgs", + "naersk": "naersk", + "nixpkgs": "nixpkgs_2", + "utils": "utils" + } + }, + "utils": { + "locked": { + "lastModified": 1610051610, + "narHash": "sha256-U9rPz/usA1/Aohhk7Cmc2gBrEEKRzcW4nwPWMPwja4Y=", + "owner": "numtide", + "repo": "flake-utils", + "rev": "3982c9903e93927c2164caa727cd3f6a0e6d14cc", + "type": "github" + }, + "original": { + "owner": "numtide", + "repo": "flake-utils", + "type": "github" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..f467cd2 --- /dev/null +++ b/flake.nix @@ -0,0 +1,55 @@ +{ + inputs = { + utils.url = "github:numtide/flake-utils"; + naersk.url = "github:nmattia/naersk"; + mozillapkgs = { + url = "github:mozilla/nixpkgs-mozilla"; + flake = false; + }; + }; + + outputs = { self, nixpkgs, utils, naersk, mozillapkgs }: + utils.lib.eachDefaultSystem (system: let + pkgs = nixpkgs.legacyPackages."${system}"; + + # Get a specific rust version + mozilla = pkgs.callPackage (mozillapkgs + "/package-set.nix") {}; + rust = (mozilla.rustChannelOf { + date = "2020-12-23"; + channel = "nightly"; + sha256 = "LbKHsCOFXWpg/SEyACfzZuWjKbkXdH6EJKOPSGoO01E="; # set zeros after modifying channel or date + }).rust; + rust-src = (mozilla.rustChannelOf { + date = "2020-12-23"; + channel = "nightly"; + sha256 = "LbKHsCOFXWpg/SEyACfzZuWjKbkXdH6EJKOPSGoO01E="; # set zeros after modifying channel or date + }).rust-src; + + naersk-lib = naersk.lib."${system}".override { + cargo = rust; + rustc = rust; + }; + in rec { + packages.my-project = naersk-lib.buildPackage { + pname = "dijo"; + version = "0.2.6"; + root = ./.; + }; + defaultPackage = packages.my-project; + apps.my-project = utils.lib.mkApp { + drv = packages.my-project; + }; + defaultApp = apps.my-project; + devShell = pkgs.mkShell { + nativeBuildInputs = [ + rust + rust-src + pkgs.rust-analyzer + pkgs.cargo + pkgs.openssl + pkgs.ncurses + ]; + RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}"; + }; + }); + } diff --git a/spec.md b/spec.md new file mode 100644 index 0000000..7f455e2 --- /dev/null +++ b/spec.md @@ -0,0 +1,45 @@ +# One Bit Image + +The One Bit Image is a file format to store single bit depth +images, similar to 1-bit BMP files. It is a learning +adventure and does not aim to be ubiquitous or +well-performing. The name is shortened to `obi`, any files +that wish to be identified as this format may use the file +extension `.obi`, for example: `apple.obi`. + +## Technical Specification + +The file format consists of the following sections: + + - File Header: 10 bytes, 0x0000 - 0x00A0 + - Image Information Header: 16 bytes, 0x00A0 - 0x01A0 + - Pixel data: Variable, 0x1A0 - Variable + +### File Header (10 bytes) + +This header contains the following metadata about the file +itself: + + - OBI version (2 bytes, 0x0000) + - File size in bytes (4 bytes, 0x0020) + - Data offset: Offset from the beginning of the file to the + beginning of bitmap data (4 bytes, 0x0060) + +### Image Information Header (16 bytes) + +This header contains metadata about the image: + + - Width: Horizontal size of the bitmap data in pixels (4 + bytes, 0x00A0). + - Height: Vertical size of the bitmap data in pixels (4 + bytes, 0x00E0). + - Compression Algorithm: The following types of compression + are supported: RLE, Kosinki etc. Set 0 if no compression + (4 bytes, 0x0120). + - Image size after compression (set 0 if no compression, + i.e., Compression=0). (4 bytes, 0x0160) + +### Pixel Data (ImageInformationHeader.Width * ImageInformationHeader.Height bytes) + +The image data. Each pixel is a single bit, the size of +Pixel Data is given by `Width * Height`. diff --git a/src/lib.rs b/src/lib.rs new file mode 100644 index 0000000..31e1bb2 --- /dev/null +++ b/src/lib.rs @@ -0,0 +1,7 @@ +#[cfg(test)] +mod tests { + #[test] + fn it_works() { + assert_eq!(2 + 2, 4); + } +} -- cgit v1.2.3