diff options
Diffstat (limited to 't/t6050-replace.sh')
| -rwxr-xr-x | t/t6050-replace.sh | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/t/t6050-replace.sh b/t/t6050-replace.sh new file mode 100755 index 0000000000..5c87f28e4e --- /dev/null +++ b/t/t6050-replace.sh @@ -0,0 +1,255 @@ +#!/bin/sh +# +# Copyright (c) 2008 Christian Couder +# +test_description='Tests replace refs functionality' + +exec </dev/null + +. ./test-lib.sh + +add_and_commit_file() +{ + _file="$1" + _msg="$2" + + git add $_file || return $? + test_tick || return $? + git commit --quiet -m "$_file: $_msg" +} + +HASH1= +HASH2= +HASH3= +HASH4= +HASH5= +HASH6= +HASH7= + +test_expect_success 'set up buggy branch' ' + echo "line 1" >> hello && + echo "line 2" >> hello && + echo "line 3" >> hello && + echo "line 4" >> hello && + add_and_commit_file hello "4 lines" && + HASH1=$(git rev-parse --verify HEAD) && + echo "line BUG" >> hello && + echo "line 6" >> hello && + echo "line 7" >> hello && + echo "line 8" >> hello && + add_and_commit_file hello "4 more lines with a BUG" && + HASH2=$(git rev-parse --verify HEAD) && + echo "line 9" >> hello && + echo "line 10" >> hello && + add_and_commit_file hello "2 more lines" && + HASH3=$(git rev-parse --verify HEAD) && + echo "line 11" >> hello && + add_and_commit_file hello "1 more line" && + HASH4=$(git rev-parse --verify HEAD) && + sed -e "s/BUG/5/" hello > hello.new && + mv hello.new hello && + add_and_commit_file hello "BUG fixed" && + HASH5=$(git rev-parse --verify HEAD) && + echo "line 12" >> hello && + echo "line 13" >> hello && + add_and_commit_file hello "2 more lines" && + HASH6=$(git rev-parse --verify HEAD) && + echo "line 14" >> hello && + echo "line 15" >> hello && + echo "line 16" >> hello && + add_and_commit_file hello "again 3 more lines" && + HASH7=$(git rev-parse --verify HEAD) +' + +test_expect_success 'replace the author' ' + git cat-file commit $HASH2 | grep "author A U Thor" && + R=$(git cat-file commit $HASH2 | sed -e "s/A U/O/" | git hash-object -t commit --stdin -w) && + git cat-file commit $R | grep "author O Thor" && + git update-ref refs/replace/$HASH2 $R && + git show HEAD~5 | grep "O Thor" && + git show $HASH2 | grep "O Thor" +' + +test_expect_success 'test --no-replace-objects option' ' + git cat-file commit $HASH2 | grep "author O Thor" && + git --no-replace-objects cat-file commit $HASH2 | grep "author A U Thor" && + git show $HASH2 | grep "O Thor" && + git --no-replace-objects show $HASH2 | grep "A U Thor" +' + +test_expect_success 'test GIT_NO_REPLACE_OBJECTS env variable' ' + GIT_NO_REPLACE_OBJECTS=1 git cat-file commit $HASH2 | grep "author A U Thor" && + GIT_NO_REPLACE_OBJECTS=1 git show $HASH2 | grep "A U Thor" +' + +cat >tag.sig <<EOF +object $HASH2 +type commit +tag mytag +tagger T A Gger <> 0 +0000 + +EOF + +test_expect_success 'tag replaced commit' ' + git mktag <tag.sig >.git/refs/tags/mytag 2>message +' + +test_expect_success '"git fsck" works' ' + git fsck master > fsck_master.out && + grep "dangling commit $R" fsck_master.out && + grep "dangling tag $(cat .git/refs/tags/mytag)" fsck_master.out && + test -z "$(git fsck)" +' + +test_expect_success 'repack, clone and fetch work' ' + git repack -a -d && + git clone --no-hardlinks . clone_dir && + ( + cd clone_dir && + git show HEAD~5 | grep "A U Thor" && + git show $HASH2 | grep "A U Thor" && + git cat-file commit $R && + git repack -a -d && + test_must_fail git cat-file commit $R && + git fetch ../ "refs/replace/*:refs/replace/*" && + git show HEAD~5 | grep "O Thor" && + git show $HASH2 | grep "O Thor" && + git cat-file commit $R + ) +' + +test_expect_success '"git replace" listing and deleting' ' + test "$HASH2" = "$(git replace -l)" && + test "$HASH2" = "$(git replace)" && + aa=${HASH2%??????????????????????????????????????} && + test "$HASH2" = "$(git replace -l "$aa*")" && + test_must_fail git replace -d $R && + test_must_fail git replace -d && + test_must_fail git replace -l -d $HASH2 && + git replace -d $HASH2 && + git show $HASH2 | grep "A U Thor" && + test -z "$(git replace -l)" +' + +test_expect_success '"git replace" replacing' ' + git replace $HASH2 $R && + git show $HASH2 | grep "O Thor" && + test_must_fail git replace $HASH2 $R && + git replace -f $HASH2 $R && + test_must_fail git replace -f && + test "$HASH2" = "$(git replace)" +' + +# This creates a side branch where the bug in H2 +# does not appear because P2 is created by applying +# H2 and squashing H5 into it. +# P3, P4 and P6 are created by cherry-picking H3, H4 +# and H6 respectively. +# +# At this point, we should have the following: +# +# P2--P3--P4--P6 +# / +# H1-H2-H3-H4-H5-H6-H7 +# +# Then we replace H6 with P6. +# +test_expect_success 'create parallel branch without the bug' ' + git replace -d $HASH2 && + git show $HASH2 | grep "A U Thor" && + git checkout $HASH1 && + git cherry-pick $HASH2 && + git show $HASH5 | git apply && + git commit --amend -m "hello: 4 more lines WITHOUT the bug" hello && + PARA2=$(git rev-parse --verify HEAD) && + git cherry-pick $HASH3 && + PARA3=$(git rev-parse --verify HEAD) && + git cherry-pick $HASH4 && + PARA4=$(git rev-parse --verify HEAD) && + git cherry-pick $HASH6 && + PARA6=$(git rev-parse --verify HEAD) && + git replace $HASH6 $PARA6 && + git checkout master && + cur=$(git rev-parse --verify HEAD) && + test "$cur" = "$HASH7" && + git log --pretty=oneline | grep $PARA2 && + git remote add cloned ./clone_dir +' + +test_expect_success 'push to cloned repo' ' + git push cloned $HASH6^:refs/heads/parallel && + ( + cd clone_dir && + git checkout parallel && + git log --pretty=oneline | grep $PARA2 + ) +' + +test_expect_success 'push branch with replacement' ' + git cat-file commit $PARA3 | grep "author A U Thor" && + S=$(git cat-file commit $PARA3 | sed -e "s/A U/O/" | git hash-object -t commit --stdin -w) && + git cat-file commit $S | grep "author O Thor" && + git replace $PARA3 $S && + git show $HASH6~2 | grep "O Thor" && + git show $PARA3 | grep "O Thor" && + git push cloned $HASH6^:refs/heads/parallel2 && + ( + cd clone_dir && + git checkout parallel2 && + git log --pretty=oneline | grep $PARA3 && + git show $PARA3 | grep "A U Thor" + ) +' + +test_expect_success 'fetch branch with replacement' ' + git branch tofetch $HASH6 && + ( + cd clone_dir && + git fetch origin refs/heads/tofetch:refs/heads/parallel3 && + git log --pretty=oneline parallel3 > output.txt && + ! grep $PARA3 output.txt && + git show $PARA3 > para3.txt && + grep "A U Thor" para3.txt && + git fetch origin "refs/replace/*:refs/replace/*" && + git log --pretty=oneline parallel3 > output.txt && + grep $PARA3 output.txt && + git show $PARA3 > para3.txt && + grep "O Thor" para3.txt + ) +' + +test_expect_success 'bisect and replacements' ' + git bisect start $HASH7 $HASH1 && + test "$PARA3" = "$(git rev-parse --verify HEAD)" && + git bisect reset && + GIT_NO_REPLACE_OBJECTS=1 git bisect start $HASH7 $HASH1 && + test "$HASH4" = "$(git rev-parse --verify HEAD)" && + git bisect reset && + git --no-replace-objects bisect start $HASH7 $HASH1 && + test "$HASH4" = "$(git rev-parse --verify HEAD)" && + git bisect reset +' + +test_expect_success 'index-pack and replacements' ' + git --no-replace-objects rev-list --objects HEAD | + git --no-replace-objects pack-objects test- && + git index-pack test-*.pack +' + +test_expect_success 'not just commits' ' + echo replaced >file && + git add file && + REPLACED=$(git rev-parse :file) && + mv file file.replaced && + + echo original >file && + git add file && + ORIGINAL=$(git rev-parse :file) && + git update-ref refs/replace/$ORIGINAL $REPLACED && + mv file file.original && + + git checkout file && + test_cmp file.replaced file +' + +test_done |