3 files changed, 73 insertions, 58 deletions

diff --git a/xtask/src/lib.rs b/xtask/src/lib.rs
index 739f49f7b..747654c1f 100644
--- a/xtask/src/lib.rs
+++ b/xtask/src/lib.rs
@@ -4,6 +4,7 @@
 
 pub mod not_bash;
 pub mod install;
+pub mod release;
 pub mod dist;
 pub mod pre_commit;
 
@@ -19,7 +20,7 @@ use walkdir::{DirEntry, WalkDir};
 
 use crate::{
     codegen::Mode,
-    not_bash::{date_iso, fs2, pushd, pushenv, rm_rf, run},
+    not_bash::{fs2, pushd, pushenv, rm_rf, run},
 };
 
 pub use anyhow::{bail, Context as _, Result};
@@ -153,60 +154,6 @@ pub fn run_pre_cache() -> Result<()> {
     Ok(())
 }
 
-pub fn run_release(dry_run: bool) -> Result<()> {
-    if !dry_run {
-        run!("git switch release")?;
-        run!("git fetch upstream --tags --force")?;
-        run!("git reset --hard tags/nightly")?;
-        run!("git push")?;
-    }
-    codegen::generate_assists_docs(Mode::Overwrite)?;
-    codegen::generate_feature_docs(Mode::Overwrite)?;
-
-    let website_root = project_root().join("../rust-analyzer.github.io");
-    let changelog_dir = website_root.join("./thisweek/_posts");
-
-    let today = date_iso()?;
-    let commit = run!("git rev-parse HEAD")?;
-    let changelog_n = fs2::read_dir(changelog_dir.as_path())?.count();
-
-    let contents = format!(
-        "\
-= Changelog #{}
-:sectanchors:
-:page-layout: post
-
-Commit: commit:{}[] +
-Release: release:{}[]
-
-== New Features
-
-* pr:[] .
-
-== Fixes
-
-== Internal Improvements
-",
-        changelog_n, commit, today
-    );
-
-    let path = changelog_dir.join(format!("{}-changelog-{}.adoc", today, changelog_n));
-    fs2::write(&path, &contents)?;
-
-    for &adoc in ["manual.adoc", "generated_features.adoc", "generated_assists.adoc"].iter() {
-        let src = project_root().join("./docs/user/").join(adoc);
-        let dst = website_root.join(adoc);
-        fs2::copy(src, dst)?;
-    }
-
-    let tags = run!("git tag --list"; echo = false)?;
-    let prev_tag = tags.lines().filter(|line| is_release_tag(line)).last().unwrap();
-
-    println!("\n    git log {}..HEAD --merges --reverse", prev_tag);
-
-    Ok(())
-}
-
 fn is_release_tag(tag: &str) -> bool {
     tag.len() == "2020-02-24".len() && tag.starts_with(|c: char| c.is_ascii_digit())
 }
diff --git a/xtask/src/main.rs b/xtask/src/main.rs
index 81bb3a33f..f7a79362d 100644
--- a/xtask/src/main.rs
+++ b/xtask/src/main.rs
@@ -16,8 +16,9 @@ use xtask::{
     dist::run_dist,
     install::{ClientOpt, InstallCmd, ServerOpt},
     not_bash::pushd,
-    pre_commit, project_root, run_clippy, run_fuzzer, run_pre_cache, run_release, run_rustfmt,
-    Result,
+    pre_commit, project_root,
+    release::ReleaseCmd,
+    run_clippy, run_fuzzer, run_pre_cache, run_rustfmt, Result,
 };
 
 fn main() -> Result<()> {
@@ -102,7 +103,7 @@ FLAGS:
         "release" => {
             let dry_run = args.contains("--dry-run");
             args.finish()?;
-            run_release(dry_run)
+            ReleaseCmd { dry_run }.run()
         }
         "dist" => {
             let nightly = args.contains("--nightly");
diff --git a/xtask/src/release.rs b/xtask/src/release.rs
new file mode 100644
index 000000000..36c912184
--- /dev/null
+++ b/xtask/src/release.rs
@@ -0,0 +1,67 @@
+use crate::{
+    codegen, is_release_tag,
+    not_bash::{date_iso, fs2, run},
+    project_root, Mode, Result,
+};
+
+pub struct ReleaseCmd {
+    pub dry_run: bool,
+}
+
+impl ReleaseCmd {
+    pub fn run(self) -> Result<()> {
+        if !self.dry_run {
+            run!("git switch release")?;
+            run!("git fetch upstream --tags --force")?;
+            run!("git reset --hard tags/nightly")?;
+            run!("git push")?;
+        }
+        codegen::generate_assists_docs(Mode::Overwrite)?;
+        codegen::generate_feature_docs(Mode::Overwrite)?;
+
+        let website_root = project_root().join("../rust-analyzer.github.io");
+        let changelog_dir = website_root.join("./thisweek/_posts");
+
+        let today = date_iso()?;
+        let commit = run!("git rev-parse HEAD")?;
+        let changelog_n = fs2::read_dir(changelog_dir.as_path())?.count();
+
+        let contents = format!(
+            "\
+    = Changelog #{}
+    :sectanchors:
+    :page-layout: post
+
+    Commit: commit:{}[] +
+    Release: release:{}[]
+
+    == New Features
+
+    * pr:[] .
+
+    == Fixes
+
+    == Internal Improvements
+    ",
+            changelog_n, commit, today
+        );
+
+        let path = changelog_dir.join(format!("{}-changelog-{}.adoc", today, changelog_n));
+        fs2::write(&path, &contents)?;
+
+        for &adoc in ["manual.adoc", "generated_features.adoc", "generated_assists.adoc"].iter() {
+            let src = project_root().join("./docs/user/").join(adoc);
+            let dst = website_root.join(adoc);
+            fs2::copy(src, dst)?;
+        }
+
+        let tags = run!("git tag --list"; echo = false)?;
+        let prev_tag = tags.lines().filter(|line| is_release_tag(line)).last().unwrap();
+
+        let git_log = run!("git log {}..HEAD --merges --reverse", prev_tag; echo = false)?;
+        let git_log_dst = website_root.join("git.log");
+        fs2::write(git_log_dst, &git_log)?;
+
+        Ok(())
+    }
+}