rev-parse: Add support for the ^! and ^@ syntax

diff --git a/t/t7003-filter-branch.sh b/t/t7003-filter-branch.sh
index efd658adb6d6327863f430b10ab65aa3f112f996..a0ab096c8fdee153a89a1428f85c9bf107badada 100755 (executable)
--- a/t/t7003-filter-branch.sh
+++ b/t/t7003-filter-branch.sh
@@ -38,6 +38,14 @@ test_expect_success 'result is really identical' '
        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
 '
@@ -97,7 +105,7 @@ test_expect_success 'subdirectory filter result looks okay' '
        test_must_fail git show sub:subdir
 '
 
-test_expect_success 'setup and filter history that requires --full-history' '
+test_expect_success 'more setup' '
        git checkout master &&
        mkdir subdir &&
        echo A > subdir/new &&
@@ -107,16 +115,7 @@ test_expect_success 'setup and filter history that requires --full-history' '
        git rm a &&
        test_tick &&
        git commit -m "again subdir on master" &&
-       git merge branch &&
-       git branch sub-master &&
-       git-filter-branch -f --subdirectory-filter subdir sub-master
-'
-
-test_expect_success 'subdirectory filter result looks okay' '
-       test 3 = $(git rev-list -1 --parents sub-master | wc -w) &&
-       git show sub-master^:new &&
-       git show sub-master^2:new &&
-       test_must_fail git show sub:subdir
+       git merge branch
 '
 
 test_expect_success 'use index-filter to move into a subdirectory' '
@@ -125,7 +124,7 @@ test_expect_success 'use index-filter to move into a subdirectory' '
                 "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' '
@@ -219,4 +218,36 @@ test_expect_success 'Subdirectory filter with disappearing trees' '
        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