Merge branch 'dt/log-follow-config' into maint
[gitweb.git] / date.c
diff --git a/date.c b/date.c
index 733d1b29b19fc7dda04d599eb6a311e809212775..8f9156909b8d9d2cad6425aa44deebdcd01b2168 100644 (file)
--- a/date.c
+++ b/date.c
@@ -160,18 +160,27 @@ void show_date_relative(unsigned long time, int tz,
                 (diff + 183) / 365);
 }
 
-const char *show_date(unsigned long time, int tz, enum date_mode mode)
+struct date_mode *date_mode_from_type(enum date_mode_type type)
+{
+       static struct date_mode mode;
+       if (type == DATE_STRFTIME)
+               die("BUG: cannot create anonymous strftime date_mode struct");
+       mode.type = type;
+       return &mode;
+}
+
+const char *show_date(unsigned long time, int tz, const struct date_mode *mode)
 {
        struct tm *tm;
        static struct strbuf timebuf = STRBUF_INIT;
 
-       if (mode == DATE_RAW) {
+       if (mode->type == DATE_RAW) {
                strbuf_reset(&timebuf);
                strbuf_addf(&timebuf, "%lu %+05d", time, tz);
                return timebuf.buf;
        }
 
-       if (mode == DATE_RELATIVE) {
+       if (mode->type == DATE_RELATIVE) {
                struct timeval now;
 
                strbuf_reset(&timebuf);
@@ -180,7 +189,7 @@ const char *show_date(unsigned long time, int tz, enum date_mode mode)
                return timebuf.buf;
        }
 
-       if (mode == DATE_LOCAL)
+       if (mode->type == DATE_LOCAL)
                tz = local_tzoffset(time);
 
        tm = time_to_tm(time, tz);
@@ -190,17 +199,17 @@ const char *show_date(unsigned long time, int tz, enum date_mode mode)
        }
 
        strbuf_reset(&timebuf);
-       if (mode == DATE_SHORT)
+       if (mode->type == DATE_SHORT)
                strbuf_addf(&timebuf, "%04d-%02d-%02d", tm->tm_year + 1900,
                                tm->tm_mon + 1, tm->tm_mday);
-       else if (mode == DATE_ISO8601)
+       else if (mode->type == DATE_ISO8601)
                strbuf_addf(&timebuf, "%04d-%02d-%02d %02d:%02d:%02d %+05d",
                                tm->tm_year + 1900,
                                tm->tm_mon + 1,
                                tm->tm_mday,
                                tm->tm_hour, tm->tm_min, tm->tm_sec,
                                tz);
-       else if (mode == DATE_ISO8601_STRICT) {
+       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",
@@ -209,11 +218,13 @@ const char *show_date(unsigned long time, int tz, enum date_mode mode)
                                tm->tm_mday,
                                tm->tm_hour, tm->tm_min, tm->tm_sec,
                                sign, tz / 100, tz % 100);
-       } else if (mode == DATE_RFC2822)
+       } 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,
                        month_names[tm->tm_mon], tm->tm_year + 1900,
                        tm->tm_hour, tm->tm_min, tm->tm_sec, tz);
+       else if (mode->type == DATE_STRFTIME)
+               strbuf_addftime(&timebuf, mode->strftime_fmt, tm);
        else
                strbuf_addf(&timebuf, "%.3s %.3s %d %02d:%02d:%02d %d%c%+05d",
                                weekday_names[tm->tm_wday],
@@ -221,7 +232,7 @@ const char *show_date(unsigned long time, int tz, enum date_mode mode)
                                tm->tm_mday,
                                tm->tm_hour, tm->tm_min, tm->tm_sec,
                                tm->tm_year + 1900,
-                               (mode == DATE_LOCAL) ? 0 : ' ',
+                               (mode->type == DATE_LOCAL) ? 0 : ' ',
                                tz);
        return timebuf.buf;
 }
@@ -759,28 +770,31 @@ int parse_date(const char *date, struct strbuf *result)
        return 0;
 }
 
-enum date_mode parse_date_format(const char *format)
+void parse_date_format(const char *format, struct date_mode *mode)
 {
        if (!strcmp(format, "relative"))
-               return DATE_RELATIVE;
+               mode->type = DATE_RELATIVE;
        else if (!strcmp(format, "iso8601") ||
                 !strcmp(format, "iso"))
-               return DATE_ISO8601;
+               mode->type = DATE_ISO8601;
        else if (!strcmp(format, "iso8601-strict") ||
                 !strcmp(format, "iso-strict"))
-               return DATE_ISO8601_STRICT;
+               mode->type = DATE_ISO8601_STRICT;
        else if (!strcmp(format, "rfc2822") ||
                 !strcmp(format, "rfc"))
-               return DATE_RFC2822;
+               mode->type = DATE_RFC2822;
        else if (!strcmp(format, "short"))
-               return DATE_SHORT;
+               mode->type = DATE_SHORT;
        else if (!strcmp(format, "local"))
-               return DATE_LOCAL;
+               mode->type = DATE_LOCAL;
        else if (!strcmp(format, "default"))
-               return DATE_NORMAL;
+               mode->type = DATE_NORMAL;
        else if (!strcmp(format, "raw"))
-               return DATE_RAW;
-       else
+               mode->type = DATE_RAW;
+       else if (skip_prefix(format, "format:", &format)) {
+               mode->type = DATE_STRFTIME;
+               mode->strftime_fmt = xstrdup(format);
+       } else
                die("unknown date format %s", format);
 }