Merge branch 'maint'

* maint:
  remote: create fetch config lines with '+'
  push: allow unqualified dest refspecs to DWIM
  doc/git-gc: add a note about what is collected
  t5516: remove ambiguity test (1)
  Linked glossary from cvs-migration page
  write-tree: properly detect failure to write tree objects

3 files changed, 118 insertions, 13 deletions

diff --git a/t/t0004-unwritable.sh b/t/t0004-unwritable.sh
new file mode 100755
index 000000000..9255c63c0
--- /dev/null
+++ b/t/t0004-unwritable.sh
@@ -0,0 +1,67 @@
+#!/bin/sh
+
+test_description='detect unwritable repository and fail correctly'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+
+	>file &&
+	git add file &&
+	git commit -m initial &&
+	echo >file &&
+	git add file
+
+'
+
+test_expect_success 'write-tree should notice unwritable repository' '
+
+	(
+		chmod a-w .git/objects
+		test_must_fail git write-tree
+	)
+	status=$?
+	chmod 775 .git/objects
+	(exit $status)
+
+'
+
+test_expect_success 'commit should notice unwritable repository' '
+
+	(
+		chmod a-w .git/objects
+		test_must_fail git commit -m second
+	)
+	status=$?
+	chmod 775 .git/objects
+	(exit $status)
+
+'
+
+test_expect_success 'update-index should notice unwritable repository' '
+
+	(
+		echo a >file &&
+		chmod a-w .git/objects
+		test_must_fail git update-index file
+	)
+	status=$?
+	chmod 775 .git/objects
+	(exit $status)
+
+'
+
+test_expect_success 'add should notice unwritable repository' '
+
+	(
+		echo b >file &&
+		chmod a-w .git/objects
+		test_must_fail git add file
+	)
+	status=$?
+	chmod 775 .git/objects
+	(exit $status)
+
+'
+
+test_done
diff --git a/t/t5505-remote.sh b/t/t5505-remote.sh
index af2d07779..48ff2d424 100755
--- a/t/t5505-remote.sh
+++ b/t/t5505-remote.sh
@@ -77,6 +77,16 @@ test_expect_success 'add another remote' '
 )
 '
 
+test_expect_success 'remote forces tracking branches' '
+(
+	cd test &&
+	case `git config remote.second.fetch` in
+	+*) true ;;
+	 *) false ;;
+	esac
+)
+'
+
 test_expect_success 'remove remote' '
 (
 	cd test &&
diff --git a/t/t5516-fetch-push.sh b/t/t5516-fetch-push.sh
index 6d7e73854..0a757d5b9 100755
--- a/t/t5516-fetch-push.sh
+++ b/t/t5516-fetch-push.sh
@@ -209,19 +209,7 @@ test_expect_success 'push with weak ambiguity (2)' '
 
 '
 
-test_expect_success 'push with ambiguity (1)' '
-
-	mk_test remotes/origin/master remotes/frotz/master &&
-	if git push testrepo master:master
-	then
-		echo "Oops, should have failed"
-		false
-	else
-		check_push_result $the_first_commit remotes/origin/master remotes/frotz/master
-	fi
-'
-
-test_expect_success 'push with ambiguity (2)' '
+test_expect_success 'push with ambiguity' '
 
 	mk_test heads/frotz tags/frotz &&
 	if git push testrepo master:frotz
@@ -285,6 +273,37 @@ test_expect_success 'push with colon-less refspec (4)' '
 
 '
 
+test_expect_success 'push head with non-existant, incomplete dest' '
+
+	mk_test &&
+	git push testrepo master:branch &&
+	check_push_result $the_commit heads/branch
+
+'
+
+test_expect_success 'push tag with non-existant, incomplete dest' '
+
+	mk_test &&
+	git tag -f v1.0 &&
+	git push testrepo v1.0:tag &&
+	check_push_result $the_commit tags/tag
+
+'
+
+test_expect_success 'push sha1 with non-existant, incomplete dest' '
+
+	mk_test &&
+	test_must_fail git push testrepo `git rev-parse master`:foo
+
+'
+
+test_expect_success 'push ref expression with non-existant, incomplete dest' '
+
+	mk_test &&
+	test_must_fail git push testrepo master^:branch
+
+'
+
 test_expect_success 'push with HEAD' '
 
 	mk_test heads/master &&
@@ -323,6 +342,15 @@ test_expect_success 'push with +HEAD' '
 
 '
 
+test_expect_success 'push HEAD with non-existant, incomplete dest' '
+
+	mk_test &&
+	git checkout master &&
+	git push testrepo HEAD:branch &&
+	check_push_result $the_commit heads/branch
+
+'
+
 test_expect_success 'push with config remote.*.push = HEAD' '
 
 	mk_test heads/local &&