refactor: centralise git commit machinery

pkg/git/commit.go

@@ -0,0 +1,68 @@
+package git
+
+import (
+	"fmt"
+	"path"
+
+	"coopcloud.tech/abra/pkg/config"
+	"github.com/go-git/go-git/v5"
+	"github.com/sirupsen/logrus"
+)
+
+// Commit runs a git commit
+func Commit(glob, commitMessage string, dryRun bool) error {
+	if commitMessage == "" {
+		return fmt.Errorf("no commit message specified?")
+	}
+
+	repoPath := path.Join(config.ABRA_DIR, "catalogue")
+	commitRepo, err := git.PlainOpen(repoPath)
+	if err != nil {
+		return err
+	}
+
+	commitWorktree, err := commitRepo.Worktree()
+	if err != nil {
+		return err
+	}
+
+	patterns, err := GetExcludesFiles()
+	if err != nil {
+		return err
+	}
+
+	if len(patterns) > 0 {
+		commitWorktree.Excludes = append(patterns, commitWorktree.Excludes...)
+	}
+
+	if !dryRun {
+		err = commitWorktree.AddGlob(glob)
+		if err != nil {
+			return err
+		}
+		logrus.Debugf("staged %s for commit", glob)
+	} else {
+		logrus.Debugf("dry run: did not stage %s for commit", glob)
+	}
+
+	if !dryRun {
+		_, err = commitWorktree.Commit(commitMessage, &git.CommitOptions{})
+		if err != nil {
+			return err
+		}
+		logrus.Info("changes commited")
+	} else {
+		logrus.Info("dry run: no changes commited")
+	}
+
+	if !dryRun {
+		if err := commitRepo.Push(&git.PushOptions{}); err != nil {
+			return err
+		}
+		logrus.Info("changes pushed")
+	} else {
+		logrus.Info("dry run: no changes pushed")
+	}
+
+	return nil
+}