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-rw-r--r--date.c112
1 files changed, 71 insertions, 41 deletions
diff --git a/date.c b/date.c
index 68a260c214..7365a4ad24 100644
--- a/date.c
+++ b/date.c
@@ -4,8 +4,11 @@
* Copyright (C) Linus Torvalds, 2005
*/
-#include "cache.h"
+#include "git-compat-util.h"
#include "date.h"
+#include "gettext.h"
+#include "pager.h"
+#include "strbuf.h"
/*
* This is like mktime, but without normalization of tm_wday and tm_yday.
@@ -204,13 +207,13 @@ void show_date_relative(timestamp_t time, struct strbuf *timebuf)
(diff + 183) / 365);
}
-struct date_mode *date_mode_from_type(enum date_mode_type type)
+struct date_mode date_mode_from_type(enum date_mode_type type)
{
- static struct date_mode mode = DATE_MODE_INIT;
+ struct date_mode mode = DATE_MODE_INIT;
if (type == DATE_STRFTIME)
BUG("cannot create anonymous strftime date_mode struct");
mode.type = type;
- return &mode;
+ return mode;
}
static void show_date_normal(struct strbuf *buf, timestamp_t time, struct tm *tm, int tz, struct tm *human_tm, int human_tz, int local)
@@ -280,7 +283,7 @@ static void show_date_normal(struct strbuf *buf, timestamp_t time, struct tm *tm
strbuf_addf(buf, " %+05d", tz);
}
-const char *show_date(timestamp_t time, int tz, const struct date_mode *mode)
+const char *show_date(timestamp_t time, int tz, struct date_mode mode)
{
struct tm *tm;
struct tm tmbuf = { 0 };
@@ -288,13 +291,13 @@ const char *show_date(timestamp_t time, int tz, const struct date_mode *mode)
int human_tz = -1;
static struct strbuf timebuf = STRBUF_INIT;
- if (mode->type == DATE_UNIX) {
+ if (mode.type == DATE_UNIX) {
strbuf_reset(&timebuf);
strbuf_addf(&timebuf, "%"PRItime, time);
return timebuf.buf;
}
- if (mode->type == DATE_HUMAN) {
+ if (mode.type == DATE_HUMAN) {
struct timeval now;
get_time(&now);
@@ -303,22 +306,22 @@ const char *show_date(timestamp_t time, int tz, const struct date_mode *mode)
human_tz = local_time_tzoffset(now.tv_sec, &human_tm);
}
- if (mode->local)
+ if (mode.local)
tz = local_tzoffset(time);
- if (mode->type == DATE_RAW) {
+ if (mode.type == DATE_RAW) {
strbuf_reset(&timebuf);
strbuf_addf(&timebuf, "%"PRItime" %+05d", time, tz);
return timebuf.buf;
}
- if (mode->type == DATE_RELATIVE) {
+ if (mode.type == DATE_RELATIVE) {
strbuf_reset(&timebuf);
show_date_relative(time, &timebuf);
return timebuf.buf;
}
- if (mode->local)
+ if (mode.local)
tm = time_to_tm_local(time, &tmbuf);
else
tm = time_to_tm(time, tz, &tmbuf);
@@ -328,35 +331,39 @@ const char *show_date(timestamp_t time, int tz, const struct date_mode *mode)
}
strbuf_reset(&timebuf);
- if (mode->type == 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->type == 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->type == DATE_ISO8601_STRICT) {
- char sign = (tz >= 0) ? '+' : '-';
- tz = abs(tz);
- strbuf_addf(&timebuf, "%04d-%02d-%02dT%02d:%02d:%02d%c%02d:%02d",
+ else if (mode.type == DATE_ISO8601_STRICT) {
+ 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);
- } else if (mode->type == DATE_RFC2822)
+ 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,
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, tz,
- !mode->local);
+ else if (mode.type == DATE_STRFTIME)
+ strbuf_addftime(&timebuf, mode.strftime_fmt, tm, tz,
+ !mode.local);
else
- show_date_normal(&timebuf, time, tm, tz, &human_tm, human_tz, mode->local);
+ show_date_normal(&timebuf, time, tm, tz, &human_tm, human_tz, mode.local);
return timebuf.buf;
}
@@ -493,6 +500,12 @@ static int match_alpha(const char *date, struct tm *tm, int *offset)
return 2;
}
+ /* ISO-8601 allows yyyymmDD'T'HHMMSS, with less precision */
+ if (*date == 'T' && isdigit(date[1]) && tm->tm_hour == -1) {
+ tm->tm_min = tm->tm_sec = 0;
+ return 1;
+ }
+
/* BAD CRAP */
return skip_alpha(date);
}
@@ -639,6 +652,18 @@ static inline int nodate(struct tm *tm)
}
/*
+ * Have we seen an ISO-8601-alike date, i.e. 20220101T0,
+ * In which, hour is still unset,
+ * and minutes and second has been set to 0.
+ */
+static inline int maybeiso8601(struct tm *tm)
+{
+ return tm->tm_hour == -1 &&
+ tm->tm_min == 0 &&
+ tm->tm_sec == 0;
+}
+
+/*
* We've seen a digit. Time? Year? Date?
*/
static int match_digit(const char *date, struct tm *tm, int *offset, int *tm_gmt)
@@ -701,6 +726,25 @@ static int match_digit(const char *date, struct tm *tm, int *offset, int *tm_gmt
return end - date;
}
+ /* reduced precision of ISO-8601's time: HHMM or HH */
+ if (maybeiso8601(tm)) {
+ unsigned int num1 = num;
+ unsigned int num2 = 0;
+ if (n == 4) {
+ num1 = num / 100;
+ num2 = num % 100;
+ }
+ if ((n == 4 || n == 2) && !nodate(tm) &&
+ set_time(num1, num2, 0, tm) == 0)
+ return n;
+ /*
+ * We thought this is an ISO-8601 time string,
+ * we set minutes and seconds to 0,
+ * turn out it isn't, rollback the change.
+ */
+ tm->tm_min = tm->tm_sec = -1;
+ }
+
/* Four-digit year or a timezone? */
if (n == 4) {
if (num <= 1400 && *offset == -1) {
@@ -1101,7 +1145,7 @@ static void date_tea(struct tm *tm, struct tm *now, int *num)
date_time(tm, now, 17);
}
-static void date_pm(struct tm *tm, struct tm *now, int *num)
+static void date_pm(struct tm *tm, struct tm *now UNUSED, int *num)
{
int hour, n = *num;
*num = 0;
@@ -1115,7 +1159,7 @@ static void date_pm(struct tm *tm, struct tm *now, int *num)
tm->tm_hour = (hour % 12) + 12;
}
-static void date_am(struct tm *tm, struct tm *now, int *num)
+static void date_am(struct tm *tm, struct tm *now UNUSED, int *num)
{
int hour, n = *num;
*num = 0;
@@ -1129,7 +1173,7 @@ static void date_am(struct tm *tm, struct tm *now, int *num)
tm->tm_hour = (hour % 12);
}
-static void date_never(struct tm *tm, struct tm *now, int *num)
+static void date_never(struct tm *tm, struct tm *now UNUSED, int *num)
{
time_t n = 0;
localtime_r(&n, tm);
@@ -1328,20 +1372,6 @@ static timestamp_t approxidate_str(const char *date,
return (timestamp_t)update_tm(&tm, &now, 0);
}
-timestamp_t approxidate_relative(const char *date)
-{
- struct timeval tv;
- timestamp_t timestamp;
- int offset;
- int errors = 0;
-
- if (!parse_date_basic(date, &timestamp, &offset))
- return timestamp;
-
- get_time(&tv);
- return approxidate_str(date, (const struct timeval *) &tv, &errors);
-}
-
timestamp_t approxidate_careful(const char *date, int *error_ret)
{
struct timeval tv;
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-15 08:21:31 +0000