git: update to v2.30.0

Update to git version v2.30.0, this requires changes for these
upstream commits:

* 88894aaeeae92e8cb41143cc2e045f50289dc790
  blame: simplify 'setup_scoreboard' interface

* 1fbfdf556f2abc708183caca53ae4e2881b46ae2
  banned.h: mark non-reentrant gmtime, etc as banned

Signed-off-by: Christian Hesse <mail@eworm.de>

6 files changed, 35 insertions, 33 deletions

diff --git a/Makefile b/Makefile
index 1a8f496..6dfc003 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ htmldir = $(docdir)
 pdfdir = $(docdir)
 mandir = $(prefix)/share/man
 SHA1_HEADER = <openssl/sha.h>
-GIT_VER = 2.29.2
+GIT_VER = 2.30.0
 GIT_URL = https://www.kernel.org/pub/software/scm/git/git-$(GIT_VER).tar.xz
 INSTALL = install
 COPYTREE = cp -r
diff --git a/cache.c b/cache.c
index 2c70be7..55199e8 100644
--- a/cache.c
+++ b/cache.c
@@ -401,12 +401,12 @@ int cache_process(int size, const char *path, const char *key, int ttl,
 static char *sprintftime(const char *format, time_t time)
 {
         static char buf[64];
-        struct tm *tm;
+        struct tm tm;
 
         if (!time)
                 return NULL;
-        tm = gmtime(&time);
-        strftime(buf, sizeof(buf)-1, format, tm);
+        gmtime_r(&time, &tm);
+        strftime(buf, sizeof(buf)-1, format, &tm);
         return buf;
 }
 
diff --git a/git b/git
-Subproject 898f80736c75878acc02dc55672317fcc0e0a5a
+Subproject 71ca53e8125e36efbda17293c50027d31681a41
diff --git a/ui-blame.c b/ui-blame.c
index cfab7fb..ec1d888 100644
--- a/ui-blame.c
+++ b/ui-blame.c
@@ -132,7 +132,8 @@ static void print_object(const struct object_id *oid, const char *path,
         init_scoreboard(&sb);
         sb.revs = &revs;
         sb.repo = the_repository;
-        setup_scoreboard(&sb, path, &o);
+        sb.path = path;
+        setup_scoreboard(&sb, &o);
         o->suspects = blame_entry_prepend(NULL, 0, sb.num_lines, o);
         prio_queue_put(&sb.commits, o->commit);
         blame_origin_decref(o);
diff --git a/ui-shared.c b/ui-shared.c
index 151ac17..acd8ab5 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -22,10 +22,11 @@ static char *http_date(time_t t)
         static char month[][4] =
                 {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
                  "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
-        struct tm *tm = gmtime(&t);
-        return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm->tm_wday],
-                   tm->tm_mday, month[tm->tm_mon], 1900 + tm->tm_year,
-                   tm->tm_hour, tm->tm_min, tm->tm_sec);
+        struct tm tm;
+        gmtime_r(&t, &tm);
+        return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm.tm_wday],
+                   tm.tm_mday, month[tm.tm_mon], 1900 + tm.tm_year,
+                   tm.tm_hour, tm.tm_min, tm.tm_sec);
 }
 
 void cgit_print_error(const char *fmt, ...)
diff --git a/ui-stats.c b/ui-stats.c
index 7272a61..09b3625 100644
--- a/ui-stats.c
+++ b/ui-stats.c
@@ -166,7 +166,7 @@ static void add_commit(struct string_list *authors, struct commit *commit,
         struct authorstat *authorstat;
         struct string_list *items;
         char *tmp;
-        struct tm *date;
+        struct tm date;
         time_t t;
         uintptr_t *counter;
 
@@ -180,9 +180,9 @@ static void add_commit(struct string_list *authors, struct commit *commit,
         authorstat = author->util;
         items = &authorstat->list;
         t = info->committer_date;
-        date = gmtime(&t);
-        period->trunc(date);
-        tmp = xstrdup(period->pretty(date));
+        gmtime_r(&t, &date);
+        period->trunc(&date);
+        tmp = xstrdup(period->pretty(&date));
         item = string_list_insert(items, tmp);
         counter = (uintptr_t *)&item->util;
         if (*counter)
@@ -215,15 +215,15 @@ static struct string_list collect_stats(const struct cgit_period *period)
         int argc = 3;
         time_t now;
         long i;
-        struct tm *tm;
+        struct tm tm;
         char tmp[11];
 
         time(&now);
-        tm = gmtime(&now);
-        period->trunc(tm);
+        gmtime_r(&now, &tm);
+        period->trunc(&tm);
         for (i = 1; i < period->count; i++)
-                period->dec(tm);
-        strftime(tmp, sizeof(tmp), "%Y-%m-%d", tm);
+                period->dec(&tm);
+        strftime(tmp, sizeof(tmp), "%Y-%m-%d", &tm);
         argv[2] = xstrdup(fmt("--since=%s", tmp));
         if (ctx.qry.path) {
                 argv[3] = "--";
@@ -261,21 +261,21 @@ static void print_combined_authorrow(struct string_list *authors, int from,
         struct string_list_item *date;
         time_t now;
         long i, j, total, subtotal;
-        struct tm *tm;
+        struct tm tm;
         char *tmp;
 
         time(&now);
-        tm = gmtime(&now);
-        period->trunc(tm);
+        gmtime_r(&now, &tm);
+        period->trunc(&tm);
         for (i = 1; i < period->count; i++)
-                period->dec(tm);
+                period->dec(&tm);
 
         total = 0;
         htmlf("<tr><td class='%s'>%s</td>", leftclass,
                 fmt(name, to - from + 1));
         for (j = 0; j < period->count; j++) {
-                tmp = period->pretty(tm);
-                period->inc(tm);
+                tmp = period->pretty(&tm);
+                period->inc(&tm);
                 subtotal = 0;
                 for (i = from; i <= to; i++) {
                         author = &authors->items[i];
@@ -300,20 +300,20 @@ static void print_authors(struct string_list *authors, int top,
         struct string_list_item *date;
         time_t now;
         long i, j, total;
-        struct tm *tm;
+        struct tm tm;
         char *tmp;
 
         time(&now);
-        tm = gmtime(&now);
-        period->trunc(tm);
+        gmtime_r(&now, &tm);
+        period->trunc(&tm);
         for (i = 1; i < period->count; i++)
-                period->dec(tm);
+                period->dec(&tm);
 
         html("<table class='stats'><tr><th>Author</th>");
         for (j = 0; j < period->count; j++) {
-                tmp = period->pretty(tm);
+                tmp = period->pretty(&tm);
                 htmlf("<th>%s</th>", tmp);
-                period->inc(tm);
+                period->inc(&tm);
         }
         html("<th>Total</th></tr>\n");
 
@@ -329,10 +329,10 @@ static void print_authors(struct string_list *authors, int top,
                 items = &authorstat->list;
                 total = 0;
                 for (j = 0; j < period->count; j++)
-                        period->dec(tm);
+                        period->dec(&tm);
                 for (j = 0; j < period->count; j++) {
-                        tmp = period->pretty(tm);
-                        period->inc(tm);
+                        tmp = period->pretty(&tm);
+                        period->inc(&tm);
                         date = string_list_lookup(items, tmp);
                         if (!date)
                                 html("<td>0</td>");