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git/t/t4200-rerere.sh
Junio C Hamano fa1b4d2ace t4200: skip gc-rerere test on systems with non GNU date.
Quite nonstandard "date -d @11111111 +%s" does not even fail on
OpenBSD but gives the current date in "seconds since epoch"
format, which is useless for the purpose of this test.  We want
to make sure that this returns exactly the same input before
proceeding.

Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-02-07 10:43:56 -08:00

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#!/bin/sh
#
# Copyright (c) 2006 Johannes E. Schindelin
#
test_description='git-rerere
'
. ./test-lib.sh
cat > a1 << EOF
Whether 'tis nobler in the mind to suffer
The slings and arrows of outrageous fortune,
Or to take arms against a sea of troubles,
And by opposing end them? To die: to sleep;
No more; and by a sleep to say we end
The heart-ache and the thousand natural shocks
That flesh is heir to, 'tis a consummation
Devoutly to be wish'd.
EOF
git add a1
git commit -q -a -m initial
git checkout -b first
cat >> a1 << EOF
To die, to sleep;
To sleep: perchance to dream: ay, there's the rub;
For in that sleep of death what dreams may come
When we have shuffled off this mortal coil,
Must give us pause: there's the respect
That makes calamity of so long life;
EOF
git commit -q -a -m first
git checkout -b second master
git show first:a1 | sed 's/To die, t/To die! T/' > a1
git commit -q -a -m second
# activate rerere
mkdir .git/rr-cache
test_expect_failure 'conflicting merge' 'git pull . first'
sha1=4f58849a60b4f969a2848966b6d02893b783e8fb
rr=.git/rr-cache/$sha1
test_expect_success 'recorded preimage' "grep ======= $rr/preimage"
test_expect_success 'no postimage or thisimage yet' \
"test ! -f $rr/postimage -a ! -f $rr/thisimage"
git show first:a1 > a1
cat > expect << EOF
--- a/a1
+++ b/a1
@@ -6,11 +6,7 @@
The heart-ache and the thousand natural shocks
That flesh is heir to, 'tis a consummation
Devoutly to be wish'd.
-<<<<<<<
-To die! To sleep;
-=======
To die, to sleep;
->>>>>>>
To sleep: perchance to dream: ay, there's the rub;
For in that sleep of death what dreams may come
When we have shuffled off this mortal coil,
EOF
git rerere diff > out
test_expect_success 'rerere diff' 'diff -u expect out'
cat > expect << EOF
a1
EOF
git rerere status > out
test_expect_success 'rerere status' 'diff -u expect out'
test_expect_success 'commit succeeds' \
"git commit -q -a -m 'prefer first over second'"
test_expect_success 'recorded postimage' "test -f $rr/postimage"
git checkout -b third master
git show second^:a1 | sed 's/To die: t/To die! T/' > a1
git commit -q -a -m third
test_expect_failure 'another conflicting merge' 'git pull . first'
git show first:a1 | sed 's/To die: t/To die! T/' > expect
test_expect_success 'rerere kicked in' "! grep ======= a1"
test_expect_success 'rerere prefers first change' 'diff -u a1 expect'
rm $rr/postimage
echo "$sha1 a1" | tr '\012' '\0' > .git/rr-cache/MERGE_RR
test_expect_success 'rerere clear' 'git rerere clear'
test_expect_success 'clear removed the directory' "test ! -d $rr"
mkdir $rr
echo Hello > $rr/preimage
echo World > $rr/postimage
sha2=4000000000000000000000000000000000000000
rr2=.git/rr-cache/$sha2
mkdir $rr2
echo Hello > $rr2/preimage
case "$(date -d @11111111 +%s 2>/dev/null)" in
11111111)
# 'date' must be able to take arbitrary input with @11111111 notation.
# for this test to succeed. We should fix this part using more
# portable script someday.
now=$(date +%s)
almost_15_days_ago=$(($now+60-15*86400))
just_over_15_days_ago=$(($now-1-15*86400))
almost_60_days_ago=$(($now+60-60*86400))
just_over_60_days_ago=$(($now-1-60*86400))
predate1="$(date -d "@$almost_60_days_ago" +%Y%m%d%H%M.%S)"
predate2="$(date -d "@$almost_15_days_ago" +%Y%m%d%H%M.%S)"
postdate1="$(date -d "@$just_over_60_days_ago" +%Y%m%d%H%M.%S)"
postdate2="$(date -d "@$just_over_15_days_ago" +%Y%m%d%H%M.%S)"
touch -m -t "$predate1" $rr/preimage
touch -m -t "$predate2" $rr2/preimage
test_expect_success 'garbage collection (part1)' 'git rerere gc'
test_expect_success 'young records still live' \
"test -f $rr/preimage -a -f $rr2/preimage"
touch -m -t "$postdate1" $rr/preimage
touch -m -t "$postdate2" $rr2/preimage
test_expect_success 'garbage collection (part2)' 'git rerere gc'
test_expect_success 'old records rest in peace' \
"test ! -f $rr/preimage -a ! -f $rr2/preimage"
;;
esac
test_done