11 files changed, 453 insertions, 2 deletions
diff --git a/t/t1402-check-ref-format.sh b/t/t1402-check-ref-format.sh
new file mode 100755
index 0000000000..eb45afb018
--- /dev/null
+++ b/t/t1402-check-ref-format.sh
@@ -0,0 +1,61 @@
+#!/bin/sh
+
+test_description='Test git check-ref-format'
+
+. ./test-lib.sh
+
+valid_ref() {
+	test_expect_success "ref name '$1' is valid" \
+		"git check-ref-format '$1'"
+}
+invalid_ref() {
+	test_expect_success "ref name '$1' is not valid" \
+		"test_must_fail git check-ref-format '$1'"
+}
+
+valid_ref 'heads/foo'
+invalid_ref 'foo'
+valid_ref 'foo/bar/baz'
+valid_ref 'refs///heads/foo'
+invalid_ref 'heads/foo/'
+invalid_ref './foo'
+invalid_ref '.refs/foo'
+invalid_ref 'heads/foo..bar'
+invalid_ref 'heads/foo?bar'
+valid_ref 'foo./bar'
+invalid_ref 'heads/foo.lock'
+valid_ref 'heads/foo@bar'
+invalid_ref 'heads/v@{ation'
+invalid_ref 'heads/foo\bar'
+
+test_expect_success "check-ref-format --branch @{-1}" '
+	T=$(git write-tree) &&
+	sha1=$(echo A | git commit-tree $T) &&
+	git update-ref refs/heads/master $sha1 &&
+	git update-ref refs/remotes/origin/master $sha1
+	git checkout master &&
+	git checkout origin/master &&
+	git checkout master &&
+	refname=$(git check-ref-format --branch @{-1}) &&
+	test "$refname" = "$sha1" &&
+	refname2=$(git check-ref-format --branch @{-2}) &&
+	test "$refname2" = master'
+
+valid_ref_normalized() {
+	test_expect_success "ref name '$1' simplifies to '$2'" "
+		refname=\$(git check-ref-format --print '$1') &&
+		test \"\$refname\" = '$2'"
+}
+invalid_ref_normalized() {
+	test_expect_success "check-ref-format --print rejects '$1'" "
+		test_must_fail git check-ref-format --print '$1'"
+}
+
+valid_ref_normalized 'heads/foo' 'heads/foo'
+valid_ref_normalized 'refs///heads/foo' 'refs/heads/foo'
+invalid_ref_normalized 'foo'
+invalid_ref_normalized 'heads/foo/../bar'
+invalid_ref_normalized 'heads/./foo'
+invalid_ref_normalized 'heads\foo'
+
+test_done
diff --git a/t/t3003-ls-files-exclude.sh b/t/t3003-ls-files-exclude.sh
index fc1e379321..d5ec333131 100755
--- a/t/t3003-ls-files-exclude.sh
+++ b/t/t3003-ls-files-exclude.sh
@@ -29,4 +29,12 @@ test_expect_success 'add file to gitignore' '
 '
 check_all_output
 
+test_expect_success 'ls-files -i lists only tracked-but-ignored files' '
+	echo content >other-file &&
+	git add other-file &&
+	echo file >expect &&
+	git ls-files -i --exclude-standard >output &&
+	test_cmp expect output
+'
+
 test_done
diff --git a/t/t3701-add-interactive.sh b/t/t3701-add-interactive.sh
index 687bd7ab53..d86bc81abf 100755
--- a/t/t3701-add-interactive.sh
+++ b/t/t3701-add-interactive.sh
@@ -228,4 +228,21 @@ test_expect_success 'add first line works' '
 	test_cmp expected diff
 '
 
+cat >expected <<EOF
+diff --git a/empty b/empty
+deleted file mode 100644
+index e69de29..0000000
+EOF
+
+test_expect_success 'deleting an empty file' '
+	git reset --hard &&
+	> empty &&
+	git add empty &&
+	git commit -m empty &&
+	rm empty &&
+	echo y | git add -p empty &&
+	git diff --cached >diff &&
+	test_cmp expected diff
+'
+
 test_done
diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh
index 531f5b795c..cab6ce2e97 100755
--- a/t/t4014-format-patch.sh
+++ b/t/t4014-format-patch.sh
@@ -455,6 +455,27 @@ test_expect_success 'format-patch respects -U' '
 
 '
 
+cat > expect << EOF
+
+diff --git a/file b/file
+index 40f36c6..2dc5c23 100644
+--- a/file
++++ b/file
+@@ -14,3 +14,19 @@ C
+ D
+ E
+ F
++5
+EOF
+
+test_expect_success 'format-patch -p suppresses stat' '
+
+	git format-patch -p -2 &&
+	sed -e "1,/^$/d" -e "/^+5/q" < 0001-This-is-an-excessively-long-subject-line-for-a-messa.patch > output &&
+	test_cmp expect output
+
+'
+
 test_expect_success 'format-patch from a subdirectory (1)' '
 	filename=$(
 		rm -rf sub &&
diff --git a/t/t4041-diff-submodule.sh b/t/t4041-diff-submodule.sh
new file mode 100755
index 0000000000..5bb4fed3f5
--- /dev/null
+++ b/t/t4041-diff-submodule.sh
@@ -0,0 +1,260 @@
+#!/bin/sh
+#
+# Copyright (c) 2009 Jens Lehmann, based on t7401 by Ping Yin
+#
+
+test_description='Support for verbose submodule differences in git diff
+
+This test tries to verify the sanity of the --submodule option of git diff.
+'
+
+. ./test-lib.sh
+
+add_file () {
+	sm=$1
+	shift
+	owd=$(pwd)
+	cd "$sm"
+	for name; do
+		echo "$name" > "$name" &&
+		git add "$name" &&
+		test_tick &&
+		git commit -m "Add $name"
+	done >/dev/null
+	git rev-parse --verify HEAD | cut -c1-7
+	cd "$owd"
+}
+commit_file () {
+	test_tick &&
+	git commit "$@" -m "Commit $*" >/dev/null
+}
+
+test_create_repo sm1 &&
+add_file . foo >/dev/null
+
+head1=$(add_file sm1 foo1 foo2)
+
+test_expect_success 'added submodule' "
+	git add sm1 &&
+	git diff-index -p --submodule=log HEAD >actual &&
+	diff actual - <<-EOF
+Submodule sm1 0000000...$head1 (new submodule)
+EOF
+"
+
+commit_file sm1 &&
+head2=$(add_file sm1 foo3)
+
+test_expect_success 'modified submodule(forward)' "
+	git diff-index -p --submodule=log HEAD >actual &&
+	diff actual - <<-EOF
+Submodule sm1 $head1..$head2:
+  > Add foo3
+EOF
+"
+
+test_expect_success 'modified submodule(forward)' "
+	git diff --submodule=log >actual &&
+	diff actual - <<-EOF
+Submodule sm1 $head1..$head2:
+  > Add foo3
+EOF
+"
+
+test_expect_success 'modified submodule(forward) --submodule' "
+	git diff --submodule >actual &&
+	diff actual - <<-EOF
+Submodule sm1 $head1..$head2:
+  > Add foo3
+EOF
+"
+
+fullhead1=$(cd sm1; git rev-list --max-count=1 $head1)
+fullhead2=$(cd sm1; git rev-list --max-count=1 $head2)
+test_expect_success 'modified submodule(forward) --submodule=short' "
+	git diff --submodule=short >actual &&
+	diff actual - <<-EOF
+diff --git a/sm1 b/sm1
+index $head1..$head2 160000
+--- a/sm1
++++ b/sm1
+@@ -1 +1 @@
+-Subproject commit $fullhead1
++Subproject commit $fullhead2
+EOF
+"
+
+commit_file sm1 &&
+cd sm1 &&
+git reset --hard HEAD~2 >/dev/null &&
+head3=$(git rev-parse --verify HEAD | cut -c1-7) &&
+cd ..
+
+test_expect_success 'modified submodule(backward)' "
+	git diff-index -p --submodule=log HEAD >actual &&
+	diff actual - <<-EOF
+Submodule sm1 $head2..$head3 (rewind):
+  < Add foo3
+  < Add foo2
+EOF
+"
+
+head4=$(add_file sm1 foo4 foo5) &&
+head4_full=$(GIT_DIR=sm1/.git git rev-parse --verify HEAD)
+test_expect_success 'modified submodule(backward and forward)' "
+	git diff-index -p --submodule=log HEAD >actual &&
+	diff actual - <<-EOF
+Submodule sm1 $head2...$head4:
+  > Add foo5
+  > Add foo4
+  < Add foo3
+  < Add foo2
+EOF
+"
+
+commit_file sm1 &&
+mv sm1 sm1-bak &&
+echo sm1 >sm1 &&
+head5=$(git hash-object sm1 | cut -c1-7) &&
+git add sm1 &&
+rm -f sm1 &&
+mv sm1-bak sm1
+
+test_expect_success 'typechanged submodule(submodule->blob), --cached' "
+	git diff --submodule=log --cached >actual &&
+	diff actual - <<-EOF
+Submodule sm1 41fbea9...0000000 (submodule deleted)
+diff --git a/sm1 b/sm1
+new file mode 100644
+index 0000000..9da5fb8
+--- /dev/null
++++ b/sm1
+@@ -0,0 +1 @@
++sm1
+EOF
+"
+
+test_expect_success 'typechanged submodule(submodule->blob)' "
+	git diff --submodule=log >actual &&
+	diff actual - <<-EOF
+diff --git a/sm1 b/sm1
+deleted file mode 100644
+index 9da5fb8..0000000
+--- a/sm1
++++ /dev/null
+@@ -1 +0,0 @@
+-sm1
+Submodule sm1 0000000...$head4 (new submodule)
+EOF
+"
+
+rm -rf sm1 &&
+git checkout-index sm1
+test_expect_success 'typechanged submodule(submodule->blob)' "
+	git diff-index -p --submodule=log HEAD >actual &&
+	diff actual - <<-EOF
+Submodule sm1 $head4...0000000 (submodule deleted)
+diff --git a/sm1 b/sm1
+new file mode 100644
+index 0000000..$head5
+--- /dev/null
++++ b/sm1
+@@ -0,0 +1 @@
++sm1
+EOF
+"
+
+rm -f sm1 &&
+test_create_repo sm1 &&
+head6=$(add_file sm1 foo6 foo7)
+fullhead6=$(cd sm1; git rev-list --max-count=1 $head6)
+test_expect_success 'nonexistent commit' "
+	git diff-index -p --submodule=log HEAD >actual &&
+	diff actual - <<-EOF
+Submodule sm1 $head4...$head6 (commits not present)
+EOF
+"
+
+commit_file
+test_expect_success 'typechanged submodule(blob->submodule)' "
+	git diff-index -p --submodule=log HEAD >actual &&
+	diff actual - <<-EOF
+diff --git a/sm1 b/sm1
+deleted file mode 100644
+index $head5..0000000
+--- a/sm1
++++ /dev/null
+@@ -1 +0,0 @@
+-sm1
+Submodule sm1 0000000...$head6 (new submodule)
+EOF
+"
+
+commit_file sm1 &&
+rm -rf sm1
+test_expect_success 'deleted submodule' "
+	git diff-index -p --submodule=log HEAD >actual &&
+	diff actual - <<-EOF
+Submodule sm1 $head6...0000000 (submodule deleted)
+EOF
+"
+
+test_create_repo sm2 &&
+head7=$(add_file sm2 foo8 foo9) &&
+git add sm2
+
+test_expect_success 'multiple submodules' "
+	git diff-index -p --submodule=log HEAD >actual &&
+	diff actual - <<-EOF
+Submodule sm1 $head6...0000000 (submodule deleted)
+Submodule sm2 0000000...$head7 (new submodule)
+EOF
+"
+
+test_expect_success 'path filter' "
+	git diff-index -p --submodule=log HEAD sm2 >actual &&
+	diff actual - <<-EOF
+Submodule sm2 0000000...$head7 (new submodule)
+EOF
+"
+
+commit_file sm2
+test_expect_success 'given commit' "
+	git diff-index -p --submodule=log HEAD^ >actual &&
+	diff actual - <<-EOF
+Submodule sm1 $head6...0000000 (submodule deleted)
+Submodule sm2 0000000...$head7 (new submodule)
+EOF
+"
+
+test_expect_success 'given commit --submodule' "
+	git diff-index -p --submodule HEAD^ >actual &&
+	diff actual - <<-EOF
+Submodule sm1 $head6...0000000 (submodule deleted)
+Submodule sm2 0000000...$head7 (new submodule)
+EOF
+"
+
+fullhead7=$(cd sm2; git rev-list --max-count=1 $head7)
+
+test_expect_success 'given commit --submodule=short' "
+	git diff-index -p --submodule=short HEAD^ >actual &&
+	diff actual - <<-EOF
+diff --git a/sm1 b/sm1
+deleted file mode 160000
+index $head6..0000000
+--- a/sm1
++++ /dev/null
+@@ -1 +0,0 @@
+-Subproject commit $fullhead6
+diff --git a/sm2 b/sm2
+new file mode 160000
+index 0000000..$head7
+--- /dev/null
++++ b/sm2
+@@ -0,0 +1 @@
++Subproject commit $fullhead7
+EOF
+"
+
+test_done
diff --git a/t/t6006-rev-list-format.sh b/t/t6006-rev-list-format.sh
index 59d1f6283b..7f61ab0e52 100755
--- a/t/t6006-rev-list-format.sh
+++ b/t/t6006-rev-list-format.sh
@@ -162,4 +162,22 @@ test_expect_success 'empty email' '
 	}
 '
 
+test_expect_success '"%h %gD: %gs" is same as git-reflog' '
+	git reflog >expect &&
+	git log -g --format="%h %gD: %gs" >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success '"%h %gD: %gs" is same as git-reflog (with date)' '
+	git reflog --date=raw >expect &&
+	git log -g --format="%h %gD: %gs" --date=raw >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success '%gd shortens ref name' '
+	echo "master@{0}" >expect.gd-short &&
+	git log -g -1 --format=%gd refs/heads/master >actual.gd-short &&
+	test_cmp expect.gd-short actual.gd-short
+'
+
 test_done
diff --git a/t/t6120-describe.sh b/t/t6120-describe.sh
index f5a1b615f6..c050f94bc6 100755
--- a/t/t6120-describe.sh
+++ b/t/t6120-describe.sh
@@ -125,6 +125,20 @@ test_expect_success 'rename tag Q back to A' '
 test_expect_success 'pack tag refs' 'git pack-refs'
 check_describe A-* HEAD
 
+check_describe "A-*[0-9a-f]" --dirty
+
+test_expect_success 'set-up dirty work tree' '
+	echo >>file
+'
+
+check_describe "A-*[0-9a-f]-dirty" --dirty
+
+check_describe "A-*[0-9a-f].mod" --dirty=.mod
+
+test_expect_success 'describe --dirty HEAD' '
+	test_must_fail git describe --dirty HEAD
+'
+
 test_expect_success 'set-up matching pattern tests' '
 	git tag -a -m test-annotated test-annotated &&
 	echo >>file &&
diff --git a/t/t7502-commit.sh b/t/t7502-commit.sh
index 56cd866019..fe94552296 100755
--- a/t/t7502-commit.sh
+++ b/t/t7502-commit.sh
@@ -258,4 +258,13 @@ test_expect_success 'Hand committing of a redundant merge removes dups' '
 
 '
 
+test_expect_success 'A single-liner subject with a token plus colon is not a footer' '
+
+	git reset --hard &&
+	git commit -s -m "hello: kitty" --allow-empty &&
+	git cat-file commit HEAD | sed -e "1,/^$/d" >actual &&
+	test $(wc -l <actual) = 3
+
+'
+
 test_done
diff --git a/t/t7600-merge.sh b/t/t7600-merge.sh
index e5b210bc96..57f6d2bae7 100755
--- a/t/t7600-merge.sh
+++ b/t/t7600-merge.sh
@@ -243,6 +243,16 @@ test_expect_success 'merge c0 with c1' '
 
 test_debug 'gitk --all'
 
+test_expect_success 'merge c0 with c1 with --ff-only' '
+	git reset --hard c0 &&
+	git merge --ff-only c1 &&
+	git merge --ff-only HEAD c0 c1 &&
+	verify_merge file result.1 &&
+	verify_head "$c1"
+'
+
+test_debug 'gitk --all'
+
 test_expect_success 'merge c1 with c2' '
 	git reset --hard c1 &&
 	test_tick &&
@@ -263,6 +273,14 @@ test_expect_success 'merge c1 with c2 and c3' '
 
 test_debug 'gitk --all'
 
+test_expect_success 'failing merges with --ff-only' '
+	git reset --hard c1 &&
+	test_tick &&
+	test_must_fail git merge --ff-only c2 &&
+	test_must_fail git merge --ff-only c3 &&
+	test_must_fail git merge --ff-only c2 c3
+'
+
 test_expect_success 'merge c0 with c1 (no-commit)' '
 	git reset --hard c0 &&
 	git merge --no-commit c1 &&
@@ -303,6 +321,17 @@ test_expect_success 'merge c0 with c1 (squash)' '
 
 test_debug 'gitk --all'
 
+test_expect_success 'merge c0 with c1 (squash, ff-only)' '
+	git reset --hard c0 &&
+	git merge --squash --ff-only c1 &&
+	verify_merge file result.1 &&
+	verify_head $c0 &&
+	verify_no_mergehead &&
+	verify_diff squash.1 .git/SQUASH_MSG "[OOPS] bad squash message"
+'
+
+test_debug 'gitk --all'
+
 test_expect_success 'merge c1 with c2 (squash)' '
 	git reset --hard c1 &&
 	git merge --squash c2 &&
@@ -314,6 +343,13 @@ test_expect_success 'merge c1 with c2 (squash)' '
 
 test_debug 'gitk --all'
 
+test_expect_success 'unsuccesful merge of c1 with c2 (squash, ff-only)' '
+	git reset --hard c1 &&
+	test_must_fail git merge --squash --ff-only c2
+'
+
+test_debug 'gitk --all'
+
 test_expect_success 'merge c1 with c2 and c3 (squash)' '
 	git reset --hard c1 &&
 	git merge --squash c2 c3 &&
@@ -432,6 +468,11 @@ test_expect_success 'combining --squash and --no-ff is refused' '
 	test_must_fail git merge --no-ff --squash c1
 '
 
+test_expect_success 'combining --ff-only and --no-ff is refused' '
+	test_must_fail git merge --ff-only --no-ff c1 &&
+	test_must_fail git merge --no-ff --ff-only c1
+'
+
 test_expect_success 'merge c0 with c1 (ff overrides no-ff)' '
 	git reset --hard c0 &&
 	git config branch.master.mergeoptions "--no-ff" &&
diff --git a/t/t9150-svk-mergetickets.sh b/t/t9150-svk-mergetickets.sh
index 8000c347b4..dd0c2bad24 100644..100755
--- a/t/t9150-svk-mergetickets.sh
+++ b/t/t9150-svk-mergetickets.sh
@@ -8,7 +8,8 @@ test_description='git-svn svk merge tickets'
 . ./lib-git-svn.sh
 
 test_expect_success 'load svk depot' "
-	svnadmin load -q '$rawsvnrepo' < '../t9150/svk-merge.dump' &&
+	svnadmin load -q '$rawsvnrepo' \
+	  < '$TEST_DIRECTORY/t9150/svk-merge.dump' &&
 	git svn init --minimize-url -R svkmerge \
 	  -T trunk -b branches '$svnrepo' &&
 	git svn fetch --all
diff --git a/t/t9151-svn-mergeinfo.sh b/t/t9151-svn-mergeinfo.sh
index 7eb36e599c..9bee516358 100644..100755
--- a/t/t9151-svn-mergeinfo.sh
+++ b/t/t9151-svn-mergeinfo.sh
@@ -8,7 +8,8 @@ test_description='git-svn svn mergeinfo properties'
 . ./lib-git-svn.sh
 
 test_expect_success 'load svn dump' "
-	svnadmin load -q '$rawsvnrepo' < '../t9151/svn-mergeinfo.dump' &&
+	svnadmin load -q '$rawsvnrepo' \
+	  < '$TEST_DIRECTORY/t9151/svn-mergeinfo.dump' &&
 	git svn init --minimize-url -R svnmerge \
 	  -T trunk -b branches '$svnrepo' &&
 	git svn fetch --all