diff options
Diffstat (limited to 't/t4200-rerere.sh')
| -rwxr-xr-x | t/t4200-rerere.sh | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/t/t4200-rerere.sh b/t/t4200-rerere.sh new file mode 100755 index 0000000000..b68ab11f29 --- /dev/null +++ b/t/t4200-rerere.sh @@ -0,0 +1,225 @@ +#!/bin/sh +# +# Copyright (c) 2006 Johannes E. Schindelin +# + +test_description='git rerere +' + +. ./test-lib.sh + +cat > a1 << EOF +Some title +========== +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 +Some title +========== +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/' -e 's/Some title/Some Title/' > 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) && + test_must_fail 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 && + test_must_fail git merge first +' + +sha1=$(sed -e 's/ .*//' .git/MERGE_RR) +rr=.git/rr-cache/$sha1 +test_expect_success 'recorded preimage' "grep ^=======$ $rr/preimage" + +test_expect_success 'rerere.enabled works, too' ' + rm -rf .git/rr-cache && + git config rerere.enabled true && + git reset --hard && + test_must_fail git merge first && + grep ^=======$ $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 = 13 + +' + +git show first:a1 > a1 + +cat > expect << EOF +--- a/a1 ++++ b/a1 +@@ -1,4 +1,4 @@ +-Some Title ++Some title + ========== + Whether 'tis nobler in the mind to suffer + The slings and arrows of outrageous fortune, +@@ -8,21 +8,11 @@ + The heart-ache and the thousand natural shocks + That flesh is heir to, 'tis a consummation + Devoutly to be wish'd. +-<<<<<<< +-Some Title +-========== +-To die! To sleep; +-======= + Some title + ========== + 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' 'test_cmp expect out' + +cat > expect << EOF +a1 +EOF + +git rerere status > out + +test_expect_success 'rerere status' 'test_cmp expect out' + +test_expect_success 'commit succeeds' \ + "git commit -q -a -m 'prefer first over second'" + +test_expect_success 'recorded postimage' "test -f $rr/postimage" + +test_expect_success 'another conflicting merge' ' + git checkout -b third master && + git show second^:a1 | sed "s/To die: t/To die! T/" > a1 && + git commit -q -a -m third && + test_must_fail git pull . first +' + +git show first:a1 | sed 's/To die: t/To die! T/' > expect +test_expect_success 'rerere kicked in' "! grep ^=======$ a1" + +test_expect_success 'rerere prefers first change' 'test_cmp a1 expect' + +rm $rr/postimage +echo "$sha1 a1" | perl -pe 'y/\012/\000/' > .git/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 $rr2/preimage" + +test_expect_success 'file2 added differently in two branches' ' + git reset --hard && + git checkout -b fourth && + echo Hallo > file2 && + git add file2 && + git commit -m version1 && + git checkout third && + echo Bello > file2 && + git add file2 && + git commit -m version2 && + test_must_fail git merge fourth && + sha1=$(sed -e "s/ .*//" .git/MERGE_RR) && + rr=.git/rr-cache/$sha1 && + echo Cello > file2 && + git add file2 && + git commit -m resolution +' + +test_expect_success 'resolution was recorded properly' ' + git reset --hard HEAD~2 && + git checkout -b fifth && + echo Hallo > file3 && + git add file3 && + git commit -m version1 && + git checkout third && + echo Bello > file3 && + git add file3 && + git commit -m version2 && + git tag version2 && + test_must_fail git merge fifth && + test Cello = "$(cat file3)" && + test 0 != $(git ls-files -u | wc -l) +' + +test_expect_success 'rerere.autoupdate' ' + git config rerere.autoupdate true + git reset --hard && + git checkout version2 && + test_must_fail git merge fifth && + test 0 = $(git ls-files -u | wc -l) + +' + +test_done |