test_description='git filter-branch'
. ./test-lib.sh
+. "$TEST_DIRECTORY/lib-gpg.sh"
test_expect_success 'setup' '
test_commit A &&
grep drepo "$TRASHDIR/backup-refs"
'
+test_expect_success 'tree-filter works with -d' '
+ git init drepo-tree &&
+ (
+ cd drepo-tree &&
+ test_commit one &&
+ git filter-branch -d "$TRASHDIR/dfoo" \
+ --tree-filter "echo changed >one.t" &&
+ echo changed >expect &&
+ git cat-file blob HEAD:one.t >actual &&
+ test_cmp expect actual &&
+ test_cmp one.t actual
+ )
+'
+
test_expect_success 'Fail if commit filter fails' '
test_must_fail git filter-branch -f --commit-filter "exit 1" HEAD
'
test_cmp expect actual
'
+test_expect_success GPG 'Filtering retains message of gpg signed commit' '
+ mkdir gpg &&
+ touch gpg/foo &&
+ git add gpg &&
+ test_tick &&
+ git commit -S -m "Adding gpg" &&
+
+ git log -1 --format="%s" > expect &&
+ git filter-branch -f --msg-filter "cat" &&
+ git log -1 --format="%s" > actual &&
+ test_cmp expect actual
+'
+
test_expect_success 'Tag name filtering allows slashes in tag names' '
git tag -m tag-with-slash X/1 &&
git cat-file tag X/1 | sed -e s,X/1,X/2, > expect &&
git cat-file tag X/2 > actual &&
test_cmp expect actual
'
+test_expect_success 'setup --prune-empty comparisons' '
+ git checkout --orphan master-no-a &&
+ git rm -rf . &&
+ unset test_tick &&
+ test_tick &&
+ GIT_COMMITTER_DATE="@0 +0000" GIT_AUTHOR_DATE="@0 +0000" &&
+ test_commit --notick B B.t B Bx &&
+ git checkout -b branch-no-a Bx &&
+ test_commit D D.t D Dx &&
+ mkdir dir &&
+ test_commit dir/D dir/D.t dir/D dir/Dx &&
+ test_commit E E.t E Ex &&
+ git checkout master-no-a &&
+ test_commit C C.t C Cx &&
+ git checkout branch-no-a &&
+ git merge Cx -m "Merge tag '\''C'\'' into branch" &&
+ git tag Fx &&
+ test_commit G G.t G Gx &&
+ test_commit H H.t H Hx &&
+ git checkout branch
+'
test_expect_success 'Prune empty commits' '
git rev-list HEAD > expect &&
test_cmp expect actual
'
+test_expect_success 'prune empty collapsed merges' '
+ test_config merge.ff false &&
+ git rev-list HEAD >expect &&
+ test_commit to_remove_2 &&
+ git reset --hard HEAD^ &&
+ test_merge non-ff to_remove_2 &&
+ git filter-branch -f --index-filter "git update-index --remove to_remove_2.t" --prune-empty HEAD &&
+ git rev-list HEAD >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'prune empty works even without index/tree filters' '
+ git rev-list HEAD >expect &&
+ git commit --allow-empty -m empty &&
+ git filter-branch -f --prune-empty HEAD &&
+ git rev-list HEAD >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success '--prune-empty is able to prune root commit' '
+ git rev-list branch-no-a >expect &&
+ git branch testing H &&
+ git filter-branch -f --prune-empty --index-filter "git update-index --remove A.t" testing &&
+ git rev-list testing >actual &&
+ git branch -D testing &&
+ test_cmp expect actual
+'
+
+test_expect_success '--prune-empty is able to prune entire branch' '
+ git branch prune-entire B &&
+ git filter-branch -f --prune-empty --index-filter "git update-index --remove A.t B.t" prune-entire &&
+ test_path_is_missing .git/refs/heads/prune-entire &&
+ test_must_fail git reflog exists refs/heads/prune-entire
+'
+
test_expect_success '--remap-to-ancestor with filename filters' '
git checkout master &&
git reset --hard A &&
git branch original HEAD
'
-orig_head=`git show-ref --hash --head HEAD`
+orig_head=$(git show-ref --hash --head HEAD)
test_expect_success 'rewrite submodule with another content' '
git filter-branch --tree-filter "test -d submod && {
mkdir submod &&
: > submod/file
} || :" HEAD &&
- test $orig_head != `git show-ref --hash --head HEAD`
+ test $orig_head != $(git show-ref --hash --head HEAD)
'
test_expect_success 'replace submodule revision' '
"if git ls-files --error-unmatch -- submod > /dev/null 2>&1
then git update-index --cacheinfo 160000 0123456789012345678901234567890123456789 submod
fi" HEAD &&
- test $orig_head != `git show-ref --hash --head HEAD`
+ test $orig_head != $(git show-ref --hash --head HEAD)
+'
+
+test_expect_success 'filter commit message without trailing newline' '
+ git reset --hard original &&
+ commit=$(printf "no newline" | git commit-tree HEAD^{tree}) &&
+ git update-ref refs/heads/no-newline $commit &&
+ git filter-branch -f refs/heads/no-newline &&
+ echo $commit >expect &&
+ git rev-parse refs/heads/no-newline >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'tree-filter deals with object name vs pathname ambiguity' '
+ test_when_finished "git reset --hard original" &&
+ ambiguous=$(git rev-list -1 HEAD) &&
+ git filter-branch --tree-filter "mv file.t $ambiguous" HEAD^.. &&
+ git show HEAD:$ambiguous
'
test_done