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When we convert seconds-since-epochs timestamps into a broken-down "struct tm", we do so by adjusting the timestamp according to the known offset and then using gmtime() to break down the result. This means that the resulting struct "knows" that it's in GMT, even though the time it represents is adjusted for a different zone. The fields where it stores this data are not portably accessible, so we have no way to override them to tell them the real zone info. For the most part, this works. Our date-formatting routines don't pay attention to these inaccessible fields, and use the same tz info we provided for adjustment. The one exception is when we call strftime(), whose %Z format reveals this hidden timezone data. We solved that by always showing the empty string for %Z. This is allowed by POSIX, but not very helpful to the user. We can't make this work in the general case, as there's no portable function for setting an arbitrary timezone (and anyway, we don't have the zone name for the author zones, only their offsets). But for the special case of the "-local" formats, we can just skip the adjustment and use localtime() instead of gmtime(). This makes --date=format-local:%Z work correctly, showing the local timezone instead of an empty string. The new test checks the result for "UTC", our default test-lib value for $TZ. Using something like EST5 might be more interesting, but the actual zone string is system-dependent (for instance, on my system it expands to just EST). Hopefully "UTC" is vanilla enough that every system treats it the same. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
129 lines
4.4 KiB
Bash
Executable file
129 lines
4.4 KiB
Bash
Executable file
#!/bin/sh
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test_description='test date parsing and printing'
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. ./test-lib.sh
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# arbitrary reference time: 2009-08-30 19:20:00
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TEST_DATE_NOW=1251660000; export TEST_DATE_NOW
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check_relative() {
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t=$(($TEST_DATE_NOW - $1))
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echo "$t -> $2" >expect
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test_expect_${3:-success} "relative date ($2)" "
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test-date relative $t >actual &&
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test_i18ncmp expect actual
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"
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}
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check_relative 5 '5 seconds ago'
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check_relative 300 '5 minutes ago'
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check_relative 18000 '5 hours ago'
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check_relative 432000 '5 days ago'
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check_relative 1728000 '3 weeks ago'
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check_relative 13000000 '5 months ago'
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check_relative 37500000 '1 year, 2 months ago'
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check_relative 55188000 '1 year, 9 months ago'
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check_relative 630000000 '20 years ago'
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check_relative 31449600 '12 months ago'
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check_relative 62985600 '2 years ago'
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check_show () {
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format=$1
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time=$2
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expect=$3
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prereqs=$4
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zone=$5
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test_expect_success $prereqs "show date ($format:$time)" '
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echo "$time -> $expect" >expect &&
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TZ=${zone:-$TZ} test-date show:"$format" "$time" >actual &&
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test_cmp expect actual
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'
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}
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# arbitrary but sensible time for examples
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TIME='1466000000 +0200'
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check_show iso8601 "$TIME" '2016-06-15 16:13:20 +0200'
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check_show iso8601-strict "$TIME" '2016-06-15T16:13:20+02:00'
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check_show rfc2822 "$TIME" 'Wed, 15 Jun 2016 16:13:20 +0200'
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check_show short "$TIME" '2016-06-15'
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check_show default "$TIME" 'Wed Jun 15 16:13:20 2016 +0200'
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check_show raw "$TIME" '1466000000 +0200'
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check_show unix "$TIME" '1466000000'
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check_show iso-local "$TIME" '2016-06-15 14:13:20 +0000'
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check_show raw-local "$TIME" '1466000000 +0000'
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check_show unix-local "$TIME" '1466000000'
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check_show 'format:%z' "$TIME" '+0200'
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check_show 'format-local:%z' "$TIME" '+0000'
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check_show 'format:%Z' "$TIME" ''
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check_show 'format-local:%Z' "$TIME" 'UTC'
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check_show 'format:%%z' "$TIME" '%z'
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check_show 'format-local:%%z' "$TIME" '%z'
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check_show 'format:%Y-%m-%d %H:%M:%S' "$TIME" '2016-06-15 16:13:20'
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check_show 'format-local:%Y-%m-%d %H:%M:%S' "$TIME" '2016-06-15 09:13:20' '' EST5
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# arbitrary time absurdly far in the future
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FUTURE="5758122296 -0400"
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check_show iso "$FUTURE" "2152-06-19 18:24:56 -0400" LONG_IS_64BIT
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check_show iso-local "$FUTURE" "2152-06-19 22:24:56 +0000" LONG_IS_64BIT
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check_parse() {
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echo "$1 -> $2" >expect
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test_expect_${4:-success} "parse date ($1${3:+ TZ=$3})" "
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TZ=${3:-$TZ} test-date parse '$1' >actual &&
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test_cmp expect actual
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"
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}
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check_parse 2008 bad
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check_parse 2008-02 bad
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check_parse 2008-02-14 bad
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check_parse '2008-02-14 20:30:45' '2008-02-14 20:30:45 +0000'
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check_parse '2008-02-14 20:30:45 -0500' '2008-02-14 20:30:45 -0500'
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check_parse '2008-02-14 20:30:45 -0015' '2008-02-14 20:30:45 -0015'
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check_parse '2008-02-14 20:30:45 -5' '2008-02-14 20:30:45 +0000'
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check_parse '2008-02-14 20:30:45 -5:' '2008-02-14 20:30:45 +0000'
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check_parse '2008-02-14 20:30:45 -05' '2008-02-14 20:30:45 -0500'
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check_parse '2008-02-14 20:30:45 -:30' '2008-02-14 20:30:45 +0000'
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check_parse '2008-02-14 20:30:45 -05:00' '2008-02-14 20:30:45 -0500'
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check_parse '2008-02-14 20:30:45' '2008-02-14 20:30:45 -0500' EST5
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check_approxidate() {
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echo "$1 -> $2 +0000" >expect
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test_expect_${3:-success} "parse approxidate ($1)" "
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test-date approxidate '$1' >actual &&
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test_cmp expect actual
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"
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}
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check_approxidate now '2009-08-30 19:20:00'
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check_approxidate '5 seconds ago' '2009-08-30 19:19:55'
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check_approxidate 5.seconds.ago '2009-08-30 19:19:55'
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check_approxidate 10.minutes.ago '2009-08-30 19:10:00'
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check_approxidate yesterday '2009-08-29 19:20:00'
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check_approxidate 3.days.ago '2009-08-27 19:20:00'
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check_approxidate 3.weeks.ago '2009-08-09 19:20:00'
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check_approxidate 3.months.ago '2009-05-30 19:20:00'
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check_approxidate 2.years.3.months.ago '2007-05-30 19:20:00'
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check_approxidate '6am yesterday' '2009-08-29 06:00:00'
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check_approxidate '6pm yesterday' '2009-08-29 18:00:00'
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check_approxidate '3:00' '2009-08-30 03:00:00'
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check_approxidate '15:00' '2009-08-30 15:00:00'
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check_approxidate 'noon today' '2009-08-30 12:00:00'
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check_approxidate 'noon yesterday' '2009-08-29 12:00:00'
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check_approxidate 'last tuesday' '2009-08-25 19:20:00'
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check_approxidate 'July 5th' '2009-07-05 19:20:00'
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check_approxidate '06/05/2009' '2009-06-05 19:20:00'
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check_approxidate '06.05.2009' '2009-05-06 19:20:00'
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check_approxidate 'Jun 6, 5AM' '2009-06-06 05:00:00'
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check_approxidate '5AM Jun 6' '2009-06-06 05:00:00'
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check_approxidate '6AM, June 7, 2009' '2009-06-07 06:00:00'
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check_approxidate '2008-12-01' '2008-12-01 19:20:00'
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check_approxidate '2009-12-01' '2009-12-01 19:20:00'
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test_done
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