releaser: fix windows

.gitattributes

@@ -0,0 +1 @@
+* text eol=lf

.github/workflows/ci.yaml

@@ -56,8 +56,10 @@ jobs:
         if: runner.os == 'macOS'
 
       # Linux, macOS and Windows
-      - run: tools/bazel test //...
       - run: ci/list_toolchains_platforms
+      - run: tools/bazel test //...
+      - run: ci/prepare_git && ci/test_example rules_cc override_repository
+      - run: ci/prepare_git && ci/test_example bzlmod override_module
       - run: ci/zig-utils
 
       # Test the Zig toolchain for Darwin on Darwin.
@@ -68,10 +70,6 @@ jobs:
       # protoc does not compile due to `-lpthread`.
       - run: ci/lint
         if: runner.os != 'Windows'
-      # releaser fails to write `README.md` for some reason.
+      # Releaser emits different hashes
       - run: ci/release
         if: runner.os != 'Windows'
-      - run: ci/prepare_git && ci/test_example rules_cc override_repository
-        if: runner.os != 'Windows'
-      - run: ci/prepare_git && ci/test_example bzlmod override_module
-        if: runner.os != 'Windows'

ci/test_example

@@ -19,7 +19,7 @@ echo --- "testing examples/$example with hermetic_cc_toolchain pointing to git r
 echo --- "testing examples/$example with hermetic_cc_toolchain pointing to a directory produced by release tarball"
 # generate release tarball and put to temp
 REL=$(mktemp -d); trap 'rm -fr $REL' EXIT; "$root/ci/release_v99"
-tar -vx -C "$REL" -f "$root/hermetic_cc_toolchain-v99.0.0.tar.gz"
+tar -vxf "../../hermetic_cc_toolchain-v99.0.0.tar.gz" -C "$REL"
 
 # lockfile_mode=off, so examples/$example/MODULE.bazel.lock does not get the override below
 "$root/tools/bazel" test --lockfile_mode=off "--$override_option_name=hermetic_cc_toolchain=$REL" --test_output=errors ...

tools/releaser/main.go

@@ -50,7 +50,7 @@ var (
 
 	_boilerplateFiles = []string{
 		"README.md",
-		"examples/rules_cc/WORKSPACE",
+		path.Join("examples", "rules_cc", "WORKSPACE"),
 	}
 )
 
@@ -126,7 +126,6 @@ This utility is intended to handle many of the steps to release a new version.
 			out,
 		)
 	}
-	log("yes")
 
 	if err := checkZigMirrored(repoRoot); err != nil {
 		return fmt.Errorf("zig is correctly mirrored: %w", err)
@@ -447,9 +446,11 @@ func makeTgz(w io.Writer, repoRoot string, ref string) (string, error) {
 		return "", fmt.Errorf("close gzip stream: %w", err)
 	}
 
-	if err := cmd.Wait(); err != nil {
-		return "", fmt.Errorf("wait: %w", err)
-	}
+	// If at this point cmd.Wait() is called, it gets stuck
+	// on Windows. Since there isn't any value from the subprocess
+	// at this point, do the best-effort Kill followed by Wait.
+	_ = cmd.Process.Kill()
+	_ = cmd.Wait()
 
 	return fmt.Sprintf("%x", hashw.Sum(nil)), nil
 }
@@ -485,8 +486,6 @@ func checkZigMirrored(repoRoot string) error {
 		return fmt.Errorf("got non-200: %s", resp.Status)
 	}
 
-	log("yes")
-
 	return nil
 }