Run git commands through the shell (#13)

.github/workflows/main.yml

@@ -56,3 +56,5 @@ jobs:
       with:
         changelog-path: CHANGES.md
         github-token: ${{ secrets.GITHUB_TOKEN }}
+      env:
+        ACTIONS_STEP_DEBUG: "true"

release_often/__main__.py

@@ -26,9 +26,14 @@ def update_version():
     build_tool, version_file = version.find_details(actions.workspace())
     if build_tool is None:
         error("build tool not detected; unable to update version")
+    else:
+        actions.command("debug", f"Build tool is {build_tool.__name__}")
+        actions.command("debug", f"Version found in {version_file!r}")
     file_contents = version_file.read_text(encoding="utf-8")
     current_version = build_tool.read_version(file_contents)
+    actions.command("debug", f"Current/old version is {current_version}")
     new_version = version.bump_by_label(actions.event(), current_version)
+    actions.command("debug", f"New version is {new_version}")
     new_contents = build_tool.change_version(
         file_contents, current_version, new_version
     )
@@ -39,6 +44,7 @@ def update_version():
 def update_changelog(path, new_version):
     if not path.exists():
         error(f"The path to the changelog does not exist: {path!r}")
+    actions.command("debug", f"Changelog file path is {path}")
     new_entry = changelog.entry(path.suffix, new_version, actions.event())
     current_changelog = path.read_text(encoding="utf-8")
     path.write_text(new_entry + current_changelog, encoding="utf-8")
@@ -47,6 +53,7 @@ def update_changelog(path, new_version):
 def build():
     source_dir = actions.workspace()
     output_dir = source_dir / "dist"
+    actions.command("debug", f"Writing build artifacts to {output_dir!r}")
     for builder in (pep517.envbuild.build_sdist, pep517.envbuild.build_wheel):
         builder(source_dir, output_dir)
     # https://github.com/python-poetry/poetry/issues/769
@@ -59,15 +66,19 @@ def build():
 def commit(new_version):
     os.chdir(actions.workspace())
     subprocess.run(
-        ["/usr/bin/git", "config", "--local", "user.email", "action@github.com"],
+        ["git", "config", "--local", "user.email", "action@github.com"],
         check=True,
+        shell=True,
     )
     subprocess.run(
-        ["/usr/bin/git", "config", "--local", "user.name", "GitHub Action"], check=True
+        ["git", "config", "--local", "user.name", "GitHub Action"],
+        check=True,
+        shell=True,
     )
     subprocess.run(
-        ["/usr/bin/git", "commit", "-a", "-m", f"Updates for v{new_version}"],
+        ["git", "commit", "-a", "-m", f"Updates for v{new_version}"],
         check=True,
+        shell=True,
     )