1 files changed, 162 insertions, 0 deletions
diff --git a/t/t7003-filter-branch.sh b/t/t7003-filter-branch.sh
new file mode 100755
index 0000000..bc6e2dd
--- /dev/null
+++ b/t/t7003-filter-branch.sh
@@ -0,0 +1,162 @@
+#!/bin/sh
+
+test_description='git-filter-branch'
+. ./test-lib.sh
+
+make_commit () {
+	lower=$(echo $1 | tr A-Z a-z)
+	echo $lower > $lower
+	git add $lower
+	test_tick
+	git commit -m $1
+	git tag $1
+}
+
+test_expect_success 'setup' '
+	make_commit A
+	make_commit B
+	git checkout -b branch B
+	make_commit D
+	make_commit E
+	git checkout master
+	make_commit C
+	git checkout branch
+	git merge C
+	git tag F
+	make_commit G
+	make_commit H
+'
+
+H=$(git rev-parse H)
+
+test_expect_success 'rewrite identically' '
+	git-filter-branch branch
+'
+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
+'
+
+test_expect_success 'test that the file was renamed' '
+	test d = $(git show HEAD:doh)
+'
+
+git tag oldD HEAD~4
+test_expect_success 'rewrite one branch, keeping a side branch' '
+	git branch modD oldD &&
+	git-filter-branch -f --tree-filter "mv b boh || :" D..modD
+'
+
+test_expect_success 'common ancestor is still common (unchanged)' '
+	test "$(git merge-base modD D)" = "$(git rev-parse B)"
+'
+
+test_expect_success 'filter subdirectory only' '
+	mkdir subdir &&
+	touch subdir/new &&
+	git add subdir/new &&
+	test_tick &&
+	git commit -m "subdir" &&
+	echo H > a &&
+	test_tick &&
+	git commit -m "not subdir" a &&
+	echo A > subdir/new &&
+	test_tick &&
+	git commit -m "again subdir" subdir/new &&
+	git rm a &&
+	test_tick &&
+	git commit -m "again not subdir" &&
+	git branch sub &&
+	git-filter-branch -f --subdirectory-filter subdir refs/heads/sub
+'
+
+test_expect_success 'subdirectory filter result looks okay' '
+	test 2 = $(git rev-list sub | wc -l) &&
+	git show sub:new &&
+	! git show sub:subdir
+'
+
+test_expect_success 'setup and filter history that requires --full-history' '
+	git checkout master &&
+	mkdir subdir &&
+	echo A > subdir/new &&
+	git add subdir/new &&
+	test_tick &&
+	git commit -m "subdir on master" subdir/new &&
+	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 = $(git rev-list -1 --parents sub-master | wc -w) &&
+	git show sub-master^:new &&
+	git show sub-master^2:new &&
+	! git show sub:subdir
+'
+
+test_expect_success 'use index-filter to move into a subdirectory' '
+	git branch directorymoved &&
+	git-filter-branch -f --index-filter \
+		 "git ls-files -s | sed \"s-\\t-&newsubdir/-\" |
+	          GIT_INDEX_FILE=\$GIT_INDEX_FILE.new \
+			git update-index --index-info &&
+		  mv \$GIT_INDEX_FILE.new \$GIT_INDEX_FILE" directorymoved &&
+	test -z "$(git diff HEAD directorymoved:newsubdir)"'
+
+test_expect_success 'stops when msg filter fails' '
+	old=$(git rev-parse HEAD) &&
+	! git-filter-branch -f --msg-filter false &&
+	test $old = $(git rev-parse HEAD) &&
+	rm -rf .git-rewrite
+'
+
+test_expect_success 'author information is preserved' '
+	: > i &&
+	git add i &&
+	test_tick &&
+	GIT_AUTHOR_NAME="B V Uips" git commit -m bvuips &&
+	git branch preserved-author &&
+	git-filter-branch -f --msg-filter "cat; \
+			test \$GIT_COMMIT != $(git rev-parse master) || \
+			echo Hallo" \
+		preserved-author &&
+	test 1 = $(git rev-list --author="B V Uips" preserved-author | wc -l)
+'
+
+test_expect_success "remove a certain author's commits" '
+	echo i > i &&
+	test_tick &&
+	git commit -m i i &&
+	git branch removed-author &&
+	git-filter-branch -f --commit-filter "\
+		if [ \"\$GIT_AUTHOR_NAME\" = \"B V Uips\" ];\
+		then\
+			shift;\
+			while [ -n \"\$1\" ];\
+			do\
+				shift;\
+				echo \"\$1\";\
+				shift;\
+			done;\
+		else\
+			git commit-tree \"\$@\";\
+		fi" removed-author &&
+	cnt1=$(git rev-list master | wc -l) &&
+	cnt2=$(git rev-list removed-author | wc -l) &&
+	test $cnt1 -eq $(($cnt2 + 1)) &&
+	test 0 = $(git rev-list --author="B V Uips" removed-author | wc -l)
+'
+
+test_expect_success 'barf on invalid name' '
+	! git filter-branch -f master xy-problem &&
+	! git filter-branch -f HEAD^
+'
+
+test_done