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-rw-r--r--date.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/date.c b/date.c
index 619ada5b20..44cf2221d8 100644
--- a/date.c
+++ b/date.c
@@ -342,14 +342,18 @@ const char *show_date(timestamp_t time, int tz, const struct date_mode *mode)
tm->tm_hour, tm->tm_min, tm->tm_sec,
tz);
else if (mode->type == DATE_ISO8601_STRICT) {
- char sign = (tz >= 0) ? '+' : '-';
- tz = abs(tz);
- strbuf_addf(&timebuf, "%04d-%02d-%02dT%02d:%02d:%02d%c%02d:%02d",
+ strbuf_addf(&timebuf, "%04d-%02d-%02dT%02d:%02d:%02d",
tm->tm_year + 1900,
tm->tm_mon + 1,
tm->tm_mday,
- tm->tm_hour, tm->tm_min, tm->tm_sec,
- sign, tz / 100, tz % 100);
+ tm->tm_hour, tm->tm_min, tm->tm_sec);
+ if (tz == 0) {
+ strbuf_addch(&timebuf, 'Z');
+ } else {
+ strbuf_addch(&timebuf, tz >= 0 ? '+' : '-');
+ tz = abs(tz);
+ strbuf_addf(&timebuf, "%02d:%02d", tz / 100, tz % 100);
+ }
} else if (mode->type == DATE_RFC2822)
strbuf_addf(&timebuf, "%.3s, %d %.3s %d %02d:%02d:%02d %+05d",
weekday_names[tm->tm_wday], tm->tm_mday,