From 1ed4f63a03b94eb05a2b86f204b2eb9938a86581 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Wed, 6 Jul 2022 23:07:45 +0200
Subject: It prints changed lines in PKGBUILD now

---
 pkgrel.c | 31 ++++++++++++++++++++++++++-----
 1 file changed, 26 insertions(+), 5 deletions(-)

diff --git a/pkgrel.c b/pkgrel.c
index a803c39..fe8d072 100644
--- a/pkgrel.c
+++ b/pkgrel.c
@@ -66,6 +66,22 @@ gerror(void)
 
 
 int
+line_line(const git_diff_delta* delta, const git_diff_hunk* hunk, const git_diff_line* line, void* payload)
+{
+	switch (line->origin) {
+	case GIT_DIFF_LINE_ADDITION:
+		printf("+%.*s", line->content_len, line->content);
+		break;
+	case GIT_DIFF_LINE_DELETION:
+		printf("-%.*s", line->content_len, line->content);
+		break;
+	default:
+	}
+	return 0;
+}
+
+
+int
 main(int argc, char* argv[])
 {
 	git_libgit2_init();
@@ -113,12 +129,17 @@ main(int argc, char* argv[])
 			gerror();
 			return 1;
 		}
-		const int matched = 0 == git_pathspec_match_tree(NULL, later, GIT_PATHSPEC_NO_MATCH_ERROR, pathspec);
-		if (matched) {
-			char buf[GIT_OID_HEXSZ + 1];
-			git_oid_tostr(buf, sizeof(buf), git_commit_id(commit));
-			puts(buf);
+		git_diff* diff;
+		if (NULL == earlier)
+			err = git_diff_tree_to_workdir_with_index(&diff, repo, later, &diffopts);
+		else
+			err = git_diff_tree_to_tree(&diff, repo, later, earlier, &diffopts);
+		if (0 > err) {
+			gerror();
+			return 1;
 		}
+		git_diff_foreach(diff, NULL, NULL, NULL, &line_line, NULL);
+		git_diff_free(diff);
 		git_commit_free(commit);
 	}
 	if (NULL != earlier)
-- 
cgit v1.1