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Diffstat (limited to 't/t4200-rerere.sh')
| -rwxr-xr-x | t/t4200-rerere.sh | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/t/t4200-rerere.sh b/t/t4200-rerere.sh new file mode 100755 index 0000000..36255d6 --- /dev/null +++ b/t/t4200-rerere.sh @@ -0,0 +1,394 @@ +#!/bin/sh +# +# Copyright (c) 2006 Johannes E. Schindelin +# + +test_description='git rerere + +! [fifth] version1 + ! [first] first + ! [fourth] version1 + ! [master] initial + ! [second] prefer first over second + ! [third] version2 +------ + + [third] version2 ++ [fifth] version1 + + [fourth] version1 ++ + + [third^] third + - [second] prefer first over second + + + [first] first + + [second^] second +++++++ [master] initial +' + +. ./test-lib.sh + +test_expect_success 'setup' ' + 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 && + test_tick && + git commit -q -a -m initial && + + 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 checkout -b first && + test_tick && + 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 && + test_tick && + 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 +' + +test_expect_success 'activate rerere, old style (conflicting merge)' ' + git reset --hard && + mkdir .git/rr-cache && + test_might_fail git config --unset rerere.enabled && + test_must_fail git merge first && + + sha1=$(perl -pe "s/ .*//" .git/MERGE_RR) && + rr=.git/rr-cache/$sha1 && + grep "^=======\$" $rr/preimage && + ! test -f $rr/postimage && + ! test -f $rr/thisimage +' + +test_expect_success 'rerere.enabled works, too' ' + rm -rf .git/rr-cache && + git config rerere.enabled true && + git reset --hard && + test_must_fail git merge first && + + sha1=$(perl -pe "s/ .*//" .git/MERGE_RR) && + rr=.git/rr-cache/$sha1 && + grep ^=======$ $rr/preimage +' + +test_expect_success 'set up rr-cache' ' + rm -rf .git/rr-cache && + git config rerere.enabled true && + git reset --hard && + test_must_fail git merge first && + sha1=$(perl -pe "s/ .*//" .git/MERGE_RR) && + rr=.git/rr-cache/$sha1 +' + +test_expect_success 'rr-cache looks sane' ' + # no postimage or thisimage yet + ! test -f $rr/postimage && + ! test -f $rr/thisimage && + + # preimage has right number of lines + cnt=$(sed -ne "/^<<<<<<</,/^>>>>>>>/p" $rr/preimage | wc -l) && + echo $cnt && + test $cnt = 13 +' + +test_expect_success 'rerere diff' ' + 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_cmp expect out +' + +test_expect_success 'rerere status' ' + echo a1 >expect && + git rerere status >out && + test_cmp expect out +' + +test_expect_success 'first postimage wins' ' + git show first:a1 | sed "s/To die: t/To die! T/" >expect && + + git commit -q -a -m "prefer first over second" && + test -f $rr/postimage && + + oldmtimepost=$(test-chmtime -v -60 $rr/postimage | cut -f 1) && + + git checkout -b third master && + git show second^:a1 | sed "s/To die: t/To die! T/" >a1 && + git commit -q -a -m third && + + test_must_fail git pull . first && + # rerere kicked in + ! grep "^=======\$" a1 && + test_cmp expect a1 +' + +test_expect_success 'rerere updates postimage timestamp' ' + newmtimepost=$(test-chmtime -v +0 $rr/postimage | cut -f 1) && + test $oldmtimepost -lt $newmtimepost +' + +test_expect_success 'rerere clear' ' + rm $rr/postimage && + echo "$sha1 a1" | perl -pe "y/\012/\000/" >.git/MERGE_RR && + git rerere clear && + ! test -d $rr +' + +test_expect_success 'set up for garbage collection tests' ' + mkdir -p $rr && + echo Hello >$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 =$just_over_60_days_ago $rr/preimage && + test-chmtime =$almost_60_days_ago $rr/postimage && + test-chmtime =$almost_15_days_ago $rr2/preimage +' + +test_expect_success 'gc preserves young or recently used records' ' + git rerere gc && + test -f $rr/preimage && + test -f $rr2/preimage +' + +test_expect_success 'old records rest in peace' ' + test-chmtime =$just_over_60_days_ago $rr/postimage && + test-chmtime =$just_over_15_days_ago $rr2/preimage && + git rerere gc && + ! test -f $rr/preimage && + ! test -f $rr2/preimage +' + +test_expect_success 'setup: file2 added differently in two branches' ' + git reset --hard && + + git checkout -b fourth && + echo Hallo >file2 && + git add file2 && + test_tick && + git commit -m version1 && + + git checkout third && + echo Bello >file2 && + git add file2 && + test_tick && + git commit -m version2 && + + test_must_fail git merge fourth && + echo Cello >file2 && + git add file2 && + git commit -m resolution +' + +test_expect_success 'resolution was recorded properly' ' + echo Cello >expected && + + git reset --hard HEAD~2 && + git checkout -b fifth && + + echo Hallo >file3 && + git add file3 && + test_tick && + git commit -m version1 && + + git checkout third && + echo Bello >file3 && + git add file3 && + test_tick && + git commit -m version2 && + git tag version2 && + + test_must_fail git merge fifth && + test_cmp expected file3 && + test_must_fail git update-index --refresh +' + +test_expect_success 'rerere.autoupdate' ' + git config rerere.autoupdate true && + git reset --hard && + git checkout version2 && + test_must_fail git merge fifth && + git update-index --refresh +' + +test_expect_success 'merge --rerere-autoupdate' ' + test_might_fail git config --unset rerere.autoupdate && + git reset --hard && + git checkout version2 && + test_must_fail git merge --rerere-autoupdate fifth && + git update-index --refresh +' + +test_expect_success 'merge --no-rerere-autoupdate' ' + headblob=$(git rev-parse version2:file3) && + mergeblob=$(git rev-parse fifth:file3) && + cat >expected <<-EOF && + 100644 $headblob 2 file3 + 100644 $mergeblob 3 file3 + EOF + + git config rerere.autoupdate true && + git reset --hard && + git checkout version2 && + test_must_fail git merge --no-rerere-autoupdate fifth && + git ls-files -u >actual && + test_cmp expected actual +' + +test_expect_success 'set up an unresolved merge' ' + headblob=$(git rev-parse version2:file3) && + mergeblob=$(git rev-parse fifth:file3) && + cat >expected.unresolved <<-EOF && + 100644 $headblob 2 file3 + 100644 $mergeblob 3 file3 + EOF + + test_might_fail git config --unset rerere.autoupdate && + git reset --hard && + git checkout version2 && + fifth=$(git rev-parse fifth) && + echo "$fifth branch 'fifth' of ." | + git fmt-merge-msg >msg && + ancestor=$(git merge-base version2 fifth) && + test_must_fail git merge-recursive "$ancestor" -- HEAD fifth && + + git ls-files --stage >failedmerge && + cp file3 file3.conflict && + + git ls-files -u >actual && + test_cmp expected.unresolved actual +' + +test_expect_success 'explicit rerere' ' + test_might_fail git config --unset rerere.autoupdate && + git rm -fr --cached . && + git update-index --index-info <failedmerge && + cp file3.conflict file3 && + test_must_fail git update-index --refresh -q && + + git rerere && + git ls-files -u >actual && + test_cmp expected.unresolved actual +' + +test_expect_success 'explicit rerere with autoupdate' ' + git config rerere.autoupdate true && + git rm -fr --cached . && + git update-index --index-info <failedmerge && + cp file3.conflict file3 && + test_must_fail git update-index --refresh -q && + + git rerere && + git update-index --refresh +' + +test_expect_success 'explicit rerere --rerere-autoupdate overrides' ' + git config rerere.autoupdate false && + git rm -fr --cached . && + git update-index --index-info <failedmerge && + cp file3.conflict file3 && + git rerere && + git ls-files -u >actual1 && + + git rm -fr --cached . && + git update-index --index-info <failedmerge && + cp file3.conflict file3 && + git rerere --rerere-autoupdate && + git update-index --refresh && + + git rm -fr --cached . && + git update-index --index-info <failedmerge && + cp file3.conflict file3 && + git rerere --rerere-autoupdate --no-rerere-autoupdate && + git ls-files -u >actual2 && + + git rm -fr --cached . && + git update-index --index-info <failedmerge && + cp file3.conflict file3 && + git rerere --rerere-autoupdate --no-rerere-autoupdate --rerere-autoupdate && + git update-index --refresh && + + test_cmp expected.unresolved actual1 && + test_cmp expected.unresolved actual2 +' + +test_expect_success 'rerere --no-no-rerere-autoupdate' ' + git rm -fr --cached . && + git update-index --index-info <failedmerge && + cp file3.conflict file3 && + test_must_fail git rerere --no-no-rerere-autoupdate 2>err && + grep [Uu]sage err && + test_must_fail git update-index --refresh +' + +test_expect_success 'rerere -h' ' + test_must_fail git rerere -h >help && + grep [Uu]sage help +' + +test_done |