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git/t/t4200-rerere.sh
H.Merijn Brand 3175b0cfc1 the use of 'tr' in the test suite isn't really portable
Some versions of 'tr' only accept octal codes if entered with three digits,
and therefor misinterpret the '\0' in the test suite.

Some versions of 'tr' reject the (needless) use of character classes.

Signed-off-by: H.Merijn Brand <h.m.brand@xs4all.nl>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-12-17 20:49:18 -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 -e 's/To die, t/To die! T/' > a1
echo "* END *" >>a1
git commit -q -a -m second
test_expect_success 'nothing recorded without rerere' '
(rm -rf .git/rr-cache; git config rerere.enabled false) &&
! git merge first &&
! test -d .git/rr-cache
'
# activate rerere, old style
test_expect_success 'conflicting merge' '
git reset --hard &&
mkdir .git/rr-cache &&
git config --unset rerere.enabled &&
! git merge first
'
sha1=$(sed -e 's/ .*//' .git/rr-cache/MERGE_RR)
rr=.git/rr-cache/$sha1
test_expect_success 'recorded preimage' "grep ======= $rr/preimage"
test_expect_success 'rerere.enabled works, too' '
rm -rf .git/rr-cache &&
git config rerere.enabled true &&
git reset --hard &&
! git merge first &&
grep ======= $rr/preimage
'
test_expect_success 'no postimage or thisimage yet' \
"test ! -f $rr/postimage -a ! -f $rr/thisimage"
test_expect_success 'preimage has right number of lines' '
cnt=$(sed -ne "/^<<<<<<</,/^>>>>>>>/p" $rr/preimage | wc -l) &&
test $cnt = 9
'
git show first:a1 > a1
cat > expect << EOF
--- a/a1
+++ b/a1
@@ -6,17 +6,9 @@
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,
Must give us pause: there's the respect
That makes calamity of so long life;
-<<<<<<<
-=======
-* END *
->>>>>>>
EOF
git rerere diff > out
test_expect_success 'rerere diff' 'git diff expect out'
cat > expect << EOF
a1
EOF
git rerere status > out
test_expect_success 'rerere status' 'git diff 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"
test_expect_success 'another conflicting merge' '
git checkout -b third master &&
git show second^:a1 | sed "s/To die: t/To die! T/" > a1 &&
git commit -q -a -m third &&
! 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' 'git diff a1 expect'
rm $rr/postimage
echo "$sha1 a1" | tr '\012' '\000' > .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 > $rr2/preimage
almost_15_days_ago=$((60-15*86400))
just_over_15_days_ago=$((-1-15*86400))
almost_60_days_ago=$((60-60*86400))
just_over_60_days_ago=$((-1-60*86400))
test-chmtime =$almost_60_days_ago $rr/preimage
test-chmtime =$almost_15_days_ago $rr2/preimage
test_expect_success 'garbage collection (part1)' 'git rerere gc'
test_expect_success 'young records still live' \
"test -f $rr/preimage && test -f $rr2/preimage"
test-chmtime =$just_over_60_days_ago $rr/preimage
test-chmtime =$just_over_15_days_ago $rr2/preimage
test_expect_success 'garbage collection (part2)' 'git rerere gc'
test_expect_success 'old records rest in peace' \
"test ! -f $rr/preimage && test ! -f $rr2/preimage"
test_expect_success 'file2 added differently in two branches' '
git reset --hard &&
git checkout -b fourth &&
echo Hallo > file2 &&
git add file2 &&
git commit -m version1 &&
git checkout third &&
echo Bello > file2 &&
git add file2 &&
git commit -m version2 &&
! git merge fourth &&
sha1=$(sed -e "s/ .*//" .git/rr-cache/MERGE_RR) &&
rr=.git/rr-cache/$sha1 &&
echo Cello > file2 &&
git add file2 &&
git commit -m resolution
'
test_expect_success 'resolution was recorded properly' '
git reset --hard HEAD~2 &&
git checkout -b fifth &&
echo Hallo > file3 &&
git add file3 &&
git commit -m version1 &&
git checkout third &&
echo Bello > file3 &&
git add file3 &&
git commit -m version2 &&
! git merge fifth &&
git diff-files -q &&
test Cello = "$(cat file3)"
'
test_done