From e95c7d6c986c486db5253accbea8190957acc49f Mon Sep 17 00:00:00 2001
From: Gabe Cook <gabe565@gmail.com>
Date: Wed, 13 Mar 2024 19:03:32 -0500
Subject: [PATCH] feat(cmd): Add `--repo` flag

---
 README.md                   |  3 ++-
 action.yml                  |  8 ++++++--
 cmd/cmd.go                  | 12 +++++++++++-
 docs/changelog-generator.md |  1 +
 4 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index ddb02aa..50b2b98 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,8 @@ Generated changelogs look similar to the changelogs generated by [GoReleaser](ht
 
 | Name     | Description                                | Default                     |
 |----------|--------------------------------------------|-----------------------------|
-| `path`   | Generated changelog path.                  | ``                          |
+| `output` | Generated changelog path.                  | ` `                         |
+| `path`   | Path to the local git repository           | `"."`                       |
 | `config` | Path to the config file.                   | `.changelog-generator.yaml` |
 | `token`  | GitHub token used to fetch release assets. | `${{ github.token }}`       |
 
diff --git a/action.yml b/action.yml
index b657453..543fa6c 100644
--- a/action.yml
+++ b/action.yml
@@ -8,6 +8,9 @@ inputs:
     description: Path to the config file
     default: ${{ github.workspace }}/.changelog-generator.yaml
   path:
+    description: Path to the local git repository
+    default: .
+  output:
     description: Generated changelog path
   token:
     description: GitHub token
@@ -84,9 +87,10 @@ runs:
     - id: changelog
       shell: bash
       env:
-        output: ${{ inputs.path }}
+        repo: ${{ inputs.path }}
+        output: ${{ inputs.output }}
       run: |
-        changelog="$(changelog-generator)"
+        changelog="$(changelog-generator --repo="$repo")"
         echo '::group::Generated Changelog'
         echo "$changelog"
         echo '::endgroup::'
diff --git a/cmd/cmd.go b/cmd/cmd.go
index 13fd4ec..4509e46 100644
--- a/cmd/cmd.go
+++ b/cmd/cmd.go
@@ -27,6 +27,11 @@ func New() *cobra.Command {
 		return []string{"yaml"}, cobra.ShellCompDirectiveFilterFileExt
 	})
 
+	cmd.PersistentFlags().String("repo", ".", `Path to the git repo root. Parent directories will be walked until .git is found.`)
+	_ = cmd.RegisterFlagCompletionFunc("repo", func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+		return []string{}, cobra.ShellCompDirectiveFilterDirs
+	})
+
 	return cmd
 }
 
@@ -44,9 +49,14 @@ func run(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
+	repoPath, err := cmd.Flags().GetString("repo")
+	if err != nil {
+		return err
+	}
+
 	cmd.SilenceUsage = true
 
-	repo, err := git.PlainOpenWithOptions(".", &git.PlainOpenOptions{DetectDotGit: true})
+	repo, err := git.PlainOpenWithOptions(repoPath, &git.PlainOpenOptions{DetectDotGit: true})
 	if err != nil {
 		return err
 	}
diff --git a/docs/changelog-generator.md b/docs/changelog-generator.md
index 3f5b24f..d372dc6 100644
--- a/docs/changelog-generator.md
+++ b/docs/changelog-generator.md
@@ -12,5 +12,6 @@ changelog-generator [flags]
       --completion string   Output command-line completion code for the specified shell. Can be 'bash', 'zsh', 'fish', or 'powershell'.
       --config string       Config file (default ".changelog-generator.yaml")
   -h, --help                help for changelog-generator
+      --repo string         Path to the git repo root. Parent directories will be walked until .git is found. (default ".")
 ```