git_misc: Abstract away get_recent_commits

1 files changed, 24 insertions, 0 deletions

diff --git a/git_misc.go b/git_misc.go
index aa662b1..4c8ea4d 100644
--- a/git_misc.go
+++ b/git_misc.go
@@ -1,10 +1,13 @@
 package main
 
 import (
+	"errors"
 	"path/filepath"
 
 	"github.com/go-git/go-git/v5"
+	"github.com/go-git/go-git/v5/plumbing"
 	"github.com/go-git/go-git/v5/plumbing/object"
+	"go.lindenii.runxiyu.org/lindenii-common/misc"
 )
 
 func open_git_repo(category_name, repo_name string) (*git.Repository, error) {
@@ -31,3 +34,24 @@ func build_display_git_tree(tree *object.Tree) []display_git_tree_entry_t {
 	}
 	return display_git_tree
 }
+
+var err_get_recent_commits = errors.New("Error getting recent commits:")
+
+func get_recent_commits(repo *git.Repository, head_hash plumbing.Hash) (recent_commits []*object.Commit, err error) {
+	commit_iter, err := repo.Log(&git.LogOptions{From: head_hash})
+	if err != nil {
+		err = misc.Wrap_one_error(err_get_recent_commits, err)
+		return nil, err
+	}
+	recent_commits = make([]*object.Commit, 0)
+	defer commit_iter.Close()
+	for range 3 {
+		this_recent_commit, err := commit_iter.Next()
+		if err != nil {
+			err = misc.Wrap_one_error(err_get_recent_commits, err)
+			return nil, err
+		}
+		recent_commits = append(recent_commits, this_recent_commit)
+	}
+	return
+}