From 4977a18390f2bbbd8cd2f3e7a2a8a8e5b97df491 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Thu, 7 Jul 2022 22:38:31 +0200
Subject: It will now actually print pkgrel number accordingly

---
 Makefile |  4 ++--
 pkgrel.c | 31 ++++++++++++++++++++++++-------
 2 files changed, 26 insertions(+), 9 deletions(-)

diff --git a/Makefile b/Makefile
index 17249eb..89954cd 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
-CFLAGS=`pkg-config --cflags libgit2 libpcre2-8`
-LDLIBS=`pkg-config --libs libgit2 libpcre2-8`
+CFLAGS=`pkg-config --cflags libgit2`
+LDLIBS=`pkg-config --libs libgit2`
 
 all: pkgrel
 
diff --git a/pkgrel.c b/pkgrel.c
index fe8d072..5c1d348 100644
--- a/pkgrel.c
+++ b/pkgrel.c
@@ -1,5 +1,3 @@
-#define PCRE2_CODE_UNIT_WIDTH 8
-
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -7,7 +5,14 @@
 #include <unistd.h>
 
 #include <git2.h>
-#include <pcre2.h>
+
+
+enum match_result
+{
+	MATCH_RESULT_INITIAL,
+	MATCH_RESULT_NOTFOUND,
+	MATCH_RESULT_FOUND,
+};
 
 
 size_t
@@ -68,14 +73,19 @@ gerror(void)
 int
 line_line(const git_diff_delta* delta, const git_diff_hunk* hunk, const git_diff_line* line, void* payload)
 {
+	const char* const pkgver = "pkgver";
+	const size_t len = strlen(pkgver);
+	enum match_result* matched = (enum match_result*) 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);
+		if (len <= line->content_len && 0 == strncmp(line->content, pkgver, len))
+			*matched = MATCH_RESULT_FOUND;
 		break;
 	default:
+		if (MATCH_RESULT_FOUND != *matched)
+			*matched = MATCH_RESULT_NOTFOUND;
+		break;
 	}
 	return 0;
 }
@@ -114,6 +124,7 @@ main(int argc, char* argv[])
 	git_oid oid;
 	git_tree* earlier = NULL;
 	git_tree* later = NULL;
+	int rel = 1;
 	while (0 == git_revwalk_next(&oid, walker)) {
 		git_commit* commit;
 		err = git_commit_lookup(&commit, repo, &oid);
@@ -138,9 +149,14 @@ main(int argc, char* argv[])
 			gerror();
 			return 1;
 		}
-		git_diff_foreach(diff, NULL, NULL, NULL, &line_line, NULL);
+		enum match_result matched = MATCH_RESULT_INITIAL;
+		git_diff_foreach(diff, NULL, NULL, NULL, &line_line, &matched);
 		git_diff_free(diff);
 		git_commit_free(commit);
+		if (MATCH_RESULT_FOUND == matched)
+			break;
+		if (MATCH_RESULT_INITIAL != matched)
+			rel++;
 	}
 	if (NULL != earlier)
 		git_tree_free(earlier);
@@ -150,4 +166,5 @@ main(int argc, char* argv[])
 	git_pathspec_free(pathspec);
 	free(diffopts.pathspec.strings[0]);
 	git_repository_free(repo);
+	printf("%d\n", rel);
 }
-- 
cgit v1.1