test $H = $(git rev-parse HEAD)
'
+test_expect_success 'rewrite bare repository identically' '
+ (git config core.bare true && cd .git && git-filter-branch branch)
+'
+git config core.bare false
+test_expect_success 'result is really identical' '
+ test $H = $(git rev-parse HEAD)
+'
+
test_expect_success 'rewrite, renaming a specific file' '
git-filter-branch -f --tree-filter "mv d doh || :" HEAD
'
"git ls-files -s | sed \"s-\\t-&newsubdir/-\" |
GIT_INDEX_FILE=\$GIT_INDEX_FILE.new \
git update-index --index-info &&
- mv \$GIT_INDEX_FILE.new \$GIT_INDEX_FILE" directorymoved &&
+ mv \"\$GIT_INDEX_FILE.new\" \"\$GIT_INDEX_FILE\"" directorymoved &&
test -z "$(git diff HEAD directorymoved:newsubdir)"'
test_expect_success 'stops when msg filter fails' '
test $(git rev-list master | wc -l) = 3
'
+test_expect_success 'Tag name filtering retains tag message' '
+ git tag -m atag T &&
+ git cat-file tag T > expect &&
+ git filter-branch -f --tag-name-filter cat &&
+ git cat-file tag T > actual &&
+ test_cmp expect actual
+'
+
+faux_gpg_tag='object XXXXXX
+type commit
+tag S
+tagger T A Gger <tagger@example.com> 1206026339 -0500
+
+This is a faux gpg signed tag.
+-----BEGIN PGP SIGNATURE-----
+Version: FauxGPG v0.0.0 (FAUX/Linux)
+
+gdsfoewhxu/6l06f1kxyxhKdZkrcbaiOMtkJUA9ITAc1mlamh0ooasxkH1XwMbYQ
+acmwXaWET20H0GeAGP+7vow=
+=agpO
+-----END PGP SIGNATURE-----
+'
+test_expect_success 'Tag name filtering strips gpg signature' '
+ sha1=$(git rev-parse HEAD) &&
+ sha1t=$(echo "$faux_gpg_tag" | sed -e s/XXXXXX/$sha1/ | git mktag) &&
+ git update-ref "refs/tags/S" "$sha1t" &&
+ echo "$faux_gpg_tag" | sed -e s/XXXXXX/$sha1/ | head -n 6 > expect &&
+ git filter-branch -f --tag-name-filter cat &&
+ git cat-file tag S > actual &&
+ test_cmp expect actual
+'
+
test_done