Timezone designators including additional separator (`:`) are ignored.
Actually zone designators in below formats are all valid according to
ISO8601:2004, section 4.3.2:
[+-]hh, [+-]hhmm, [+-]hh:mm
Steps to reproduce the issue this patch fixes:
$ mkdir /tmp/test
$ cd /tmp/test
$ git init
$ echo 'timezone' > file.txt
$ git add .
$ git update-index
$ git write-tree
3e168d57e1c32a4598af134430384f0587581503
# Commit the tree returned above. Give a date with colon separated
# timezone
$ echo "Test commit" | \
TZ=UTC GIT_AUTHOR_DATE='2011-09-03T12:34:56+08:00' \
git commit-tree 3e168d57e1c32a4598af134430384f0587581503 | \
xargs git show | grep Date
Date: Sat Sep 3 12:34:56 2011 +0000
while the expected result is:
Date: Sat Sep 3 12:34:56 2011 +0800
^---
This patch teaches git recognizing zone designators with hours and
minutes separated by colon, or minutes are empty.
Signed-off-by: Haitao Li <lihaitao@xxxxxxxxx>
---
date.c | 32 ++++++++++++++++++++++++++------
t/t0006-date.sh | 5 +++++
2 files changed, 31 insertions(+), 6 deletions(-)
diff --git a/date.c b/date.c
index 896fbb4..f970ea8 100644
--- a/date.c
+++ b/date.c
@@ -556,15 +556,35 @@ static int match_tz(const char *date, int *offp)
int min, hour;
int n = end - date - 1;
- min = offset % 100;
- hour = offset / 100;
+ /*
+ * ISO8601:2004(E) allows time zone designator been separated
+ * by a clone in the extended format
+ */
+ if (*end == ':') {
+ if (isdigit(end[1])) {
+ hour = offset;
+ min = strtoul(end+1, &end, 10);
+ } else {
+ /* Mark as invalid */
+ n = -1;
+ }
+ } else {
+ /* Only hours specified */
+ if (n == 1 || n == 2) {
+ hour = offset;
+ min = 0;
+ } else {
+ hour = offset / 100;
+ min = offset % 100;
+ }
+ }
/*
- * Don't accept any random crap.. At least 3 digits, and
- * a valid minute. We might want to check that the minutes
- * are divisible by 30 or something too.
+ * Don't accept any random crap.. We might want to check that
+ * the minutes are divisible by 15 or something too. (Offset of
+ * Kathmandu, Nepal is UTC+5:45)
*/
- if (min < 60 && n > 2) {
+ if (n > 0 && min < 60 && hour < 25) {
offset = hour*60+min;
if (*date == '-')
offset = -offset;
diff --git a/t/t0006-date.sh b/t/t0006-date.sh
index f87abb5..5235b7a 100755
--- a/t/t0006-date.sh
+++ b/t/t0006-date.sh
@@ -40,6 +40,11 @@ check_parse 2008-02 bad
check_parse 2008-02-14 bad
check_parse '2008-02-14 20:30:45' '2008-02-14 20:30:45 +0000'
check_parse '2008-02-14 20:30:45 -0500' '2008-02-14 20:30:45 -0500'
+check_parse '2008-02-14 20:30:45 -0015' '2008-02-14 20:30:45 -0015'
+check_parse '2008-02-14 20:30:45 -5' '2008-02-14 20:30:45 -0500'
+check_parse '2008-02-14 20:30:45 -05' '2008-02-14 20:30:45 -0500'
+check_parse '2008-02-14 20:30:45 -:30' '2008-02-14 20:30:45 +0000'
+check_parse '2008-02-14 20:30:45 -05:00' '2008-02-14 20:30:45 -0500'
check_parse '2008-02-14 20:30:45' '2008-02-14 20:30:45 -0500' EST5
check_approxidate() {
--
1.7.5.4
--
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