pretty: prepare format_commit_message to handle arbitrary repositories

Signed-off-by: Stefan Beller <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: stefanbeller

contrib/coccinelle/the_repository.pending.cocci

@@ -132,3 +132,13 @@ expression G;
 - logmsg_reencode(
 + repo_logmsg_reencode(the_repository,
   E, F, G);
+
+@@
+expression E;
+expression F;
+expression G;
+expression H;
+@@
+- format_commit_message(
++ repo_format_commit_message(the_repository,
+  E, F, G, H);

pretty.c

@@ -1508,9 +1508,10 @@ void userformat_find_requirements(const char *fmt, struct userformat_want *w)
 	strbuf_release(&dummy);
 }
 
-void format_commit_message(const struct commit *commit,
-			   const char *format, struct strbuf *sb,
-			   const struct pretty_print_context *pretty_ctx)
+void repo_format_commit_message(struct repository *r,
+				const struct commit *commit,
+				const char *format, struct strbuf *sb,
+				const struct pretty_print_context *pretty_ctx)
 {
 	struct format_commit_context context;
 	const char *output_enc = pretty_ctx->output_encoding;
@@ -1524,9 +1525,9 @@ void format_commit_message(const struct commit *commit,
 	 * convert a commit message to UTF-8 first
 	 * as far as 'format_commit_item' assumes it in UTF-8
 	 */
-	context.message = logmsg_reencode(commit,
-					  &context.commit_encoding,
-					  utf8);
+	context.message = repo_logmsg_reencode(r, commit,
+					       &context.commit_encoding,
+					       utf8);
 
 	strbuf_expand(sb, format, format_commit_item, &context);
 	rewrap_message_tail(sb, &context, 0, 0, 0);
@@ -1550,7 +1551,7 @@ void format_commit_message(const struct commit *commit,
 	}
 
 	free(context.commit_encoding);
-	unuse_commit_buffer(commit, context.message);
+	repo_unuse_commit_buffer(r, commit, context.message);
 }
 
 static void pp_header(struct pretty_print_context *pp,

pretty.h

@@ -103,9 +103,14 @@ void pp_remainder(struct pretty_print_context *pp, const char **msg_p,
  * Put the result to "sb".
  * Please use this function for custom formats.
  */
-void format_commit_message(const struct commit *commit,
+void repo_format_commit_message(struct repository *r,
+			const struct commit *commit,
 			const char *format, struct strbuf *sb,
 			const struct pretty_print_context *context);
+#ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS
+#define format_commit_message(c, f, s, con) \
+	repo_format_commit_message(the_repository, c, f, s, con)
+#endif
 
 /*
  * Parse given arguments from "arg", check it for correctness and