Added `local-time` option to cgitrc

When `local-time` is set, commit, tag and patch timestamps will be printed
in the servers timezone. Also, regardless of the value of `local-time`,
these timestamps will now always show the timezone.

Signed-off-by: Stefan Naewe <stefan.naewe@atlas-elektronik.com>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

cgit.c

@@ -87,6 +87,8 @@ void config_cb(const char *name, const char *value)
 		ctx.cfg.robots = xstrdup(value);
 	else if (!strcmp(name, "clone-prefix"))
 		ctx.cfg.clone_prefix = xstrdup(value);
+	else if (!strcmp(name, "local-time"))
+		ctx.cfg.local_time = atoi(value);
 	else if (!strcmp(name, "repo.group"))
 		ctx.cfg.repo_group = xstrdup(value);
 	else if (!strcmp(name, "repo.url"))
@@ -167,6 +169,7 @@ static void prepare_context(struct cgit_context *ctx)
 	ctx->cfg.cache_static_ttl = -1;
 	ctx->cfg.css = "/cgit.css";
 	ctx->cfg.logo = "/git-logo.png";
+	ctx->cfg.local_time = 0;
 	ctx->cfg.max_repo_count = 50;
 	ctx->cfg.max_commit_count = 50;
 	ctx->cfg.max_lock_attempts = 5;

cgit.h

@@ -22,7 +22,7 @@
 /*
  * Dateformats used on misc. pages
  */
-#define FMT_LONGDATE "%Y-%m-%d %H:%M:%S"
+#define FMT_LONGDATE "%Y-%m-%d %H:%M:%S (%Z)"
 #define FMT_SHORTDATE "%Y-%m-%d"
 
 
@@ -148,6 +148,7 @@ struct cgit_config {
 	int enable_index_links;
 	int enable_log_filecount;
 	int enable_log_linecount;
+	int local_time;
 	int max_repo_count;
 	int max_commit_count;
 	int max_lock_attempts;

ui-commit.c

@@ -40,14 +40,14 @@ void cgit_print_commit(char *hex)
 	html(" ");
 	html_txt(info->author_email);
 	html("</td><td class='right'>");
-	cgit_print_date(info->author_date, FMT_LONGDATE);
+	cgit_print_date(info->author_date, FMT_LONGDATE, ctx.cfg.local_time);
 	html("</td></tr>\n");
 	html("<tr><th>committer</th><td>");
 	html_txt(info->committer);
 	html(" ");
 	html_txt(info->committer_email);
 	html("</td><td class='right'>");
-	cgit_print_date(info->committer_date, FMT_LONGDATE);
+	cgit_print_date(info->committer_date, FMT_LONGDATE, ctx.cfg.local_time);
 	html("</td></tr>\n");
 	html("<tr><th>commit</th><td colspan='2' class='sha1'>");
 	tmp = sha1_to_hex(commit->object.sha1);

ui-patch.c

@@ -103,7 +103,7 @@ void cgit_print_patch(char *hex)
 	htmlf("From %s Mon Sep 17 00:00:00 2001\n", sha1_to_hex(sha1));
 	htmlf("From: %s%s\n", info->author, info->author_email);
 	html("Date: ");
-	cgit_print_date(info->author_date, "%a, %d  %b  %Y  %H:%M:%S  %z%n");
+	cgit_print_date(info->author_date, "%a, %d  %b  %Y  %H:%M:%S  %z%n", ctx.cfg.local_time);
 	htmlf("Subject: %s\n\n", info->subject);
 	if (info->msg && *info->msg) {
 		htmlf("%s", info->msg);

ui-shared.c

@@ -353,14 +353,17 @@ void cgit_object_link(struct object *obj)
 	html_link_close();
 }
 
-void cgit_print_date(time_t secs, char *format)
+void cgit_print_date(time_t secs, char *format, int local_time)
 {
 	char buf[64];
 	struct tm *time;
 
 	if (!secs)
 		return;
-	time = gmtime(&secs);
+	if(local_time)
+		time = localtime(&secs);
+	else
+		time = gmtime(&secs);
 	strftime(buf, sizeof(buf)-1, format, time);
 	html_txt(buf);
 }
@@ -375,7 +378,7 @@ void cgit_print_age(time_t t, time_t max_relative, char *format)
 	secs = now - t;
 
 	if (secs > max_relative && max_relative >= 0) {
-		cgit_print_date(t, format);
+		cgit_print_date(t, format, ctx.cfg.local_time);
 		return;
 	}
 
@@ -453,7 +456,7 @@ void cgit_print_docend()
 		html_include(ctx.cfg.footer);
 	else {
 		html("<div class='footer'>generated ");
-		cgit_print_date(time(NULL), FMT_LONGDATE);
+		cgit_print_date(time(NULL), FMT_LONGDATE, ctx.cfg.local_time);
 		htmlf(" by cgit %s", cgit_version);
 		html("</div>\n");
 	}

ui-shared.h

@@ -27,7 +27,7 @@ extern void cgit_diff_link(char *name, char *title, char *class, char *head,
 extern void cgit_object_link(struct object *obj);
 
 extern void cgit_print_error(char *msg);
-extern void cgit_print_date(time_t secs, char *format);
+extern void cgit_print_date(time_t secs, char *format, int local_time);
 extern void cgit_print_age(time_t t, time_t max_relative, char *format);
 extern void cgit_print_http_headers(struct cgit_context *ctx);
 extern void cgit_print_docstart(struct cgit_context *ctx);

ui-tag.c

@@ -57,7 +57,7 @@ void cgit_print_tag(char *revname)
 		      revname, sha1_to_hex(sha1));
 		if (info->tagger_date > 0) {
 			html("<tr><td>Tag date</td><td>");
-			cgit_print_date(info->tagger_date, FMT_LONGDATE);
+			cgit_print_date(info->tagger_date, FMT_LONGDATE, ctx.cfg.local_time);
 			html("</td></tr>\n");
 		}
 		if (info->tagger) {