Merge branch 'maint'

* maint:
  bisect: fix bad rev checking in "git bisect good"
  revision.c: make --date-order overriddable
  git-submodule: Avoid 'fatal: cannot describe' message
  Force the medium pretty format on calls to git log
  Fix section about backdating tags in the git-tag docs
  Document option --only of git commit
  Documentation/git-request-pull: Fixed a typo ("send" -> "end")

Author: gitster

Documentation/git-commit.txt

@@ -139,6 +139,17 @@ but can be used to amend a merge commit.
 	as well.  This is usually not what you want unless you
 	are concluding a conflicted merge.
 
+-o|--only::
+	Make a commit only from the paths specified on the
+	command line, disregarding any contents that have been
+	staged so far. This is the default mode of operation of
+	'git commit' if any paths are given on the command line,
+	in which case this option can be omitted.
+	If this option is specified together with '--amend', then
+	no paths need be specified, which can be used to amend
+	the last commit without committing changes that have
+	already been staged.
+
 -u|--untracked-files::
 	Show all untracked files, also those in uninteresting
 	directories, in the "Untracked files:" section of commit

Documentation/git-request-pull.txt

@@ -24,7 +24,7 @@ OPTIONS
 	URL to include in the summary.
 
 <end>::
-	Commit to send at; defaults to HEAD.
+	Commit to end at; defaults to HEAD.
 
 Author
 ------

Documentation/git-tag.txt

@@ -233,14 +233,14 @@ the tag object affects, for example, the ordering of tags in the
 gitweb interface.
 
 To set the date used in future tag objects, set the environment
-variable GIT_AUTHOR_DATE to one or more of the date and time.  The
+variable GIT_COMMITTER_DATE to one or more of the date and time.  The
 date and time can be specified in a number of ways; the most common
 is "YYYY-MM-DD HH:MM".
 
 An example follows.
 
 ------------
-$ GIT_AUTHOR_DATE="2006-10-02 10:31" git tag -s v1.0.1
+$ GIT_COMMITTER_DATE="2006-10-02 10:31" git tag -s v1.0.1
 ------------
 
 

builtin-commit.c

@@ -98,7 +98,7 @@ static struct option builtin_commit_options[] = {
 	OPT_BOOLEAN('a', "all", &all, "commit all changed files"),
 	OPT_BOOLEAN('i', "include", &also, "add specified files to index for commit"),
 	OPT_BOOLEAN(0, "interactive", &interactive, "interactively add files"),
-	OPT_BOOLEAN('o', "only", &only, ""),
+	OPT_BOOLEAN('o', "only", &only, "commit only specified files"),
 	OPT_BOOLEAN('n', "no-verify", &no_verify, "bypass pre-commit hook"),
 	OPT_BOOLEAN(0, "amend", &amend, "amend previous commit"),
 	OPT_BOOLEAN(0, "untracked-files", &untracked_files, "show all untracked files"),

git-bisect.sh

@@ -155,20 +155,16 @@ bisect_state() {
 		rev=$(git rev-parse --verify HEAD) ||
 			die "Bad rev input: HEAD"
 		bisect_write "$state" "$rev" ;;
-	2,bad)
-		rev=$(git rev-parse --verify "$2^{commit}") ||
-			die "Bad rev input: $2"
-		bisect_write "$state" "$rev" ;;
-	*,good|*,skip)
+	2,bad|*,good|*,skip)
 		shift
-		revs=$(git rev-parse --revs-only --no-flags "$@") &&
-			test '' != "$revs" || die "Bad rev input: $@"
-		for rev in $revs
+		for rev in "$@"
 		do
 			rev=$(git rev-parse --verify "$rev^{commit}") ||
-				die "Bad rev commit: $rev^{commit}"
+				die "Bad rev input: $rev"
 			bisect_write "$state" "$rev"
 		done ;;
+	*,bad)
+		die "'git bisect bad' can take only one argument." ;;
 	*)
 		usage ;;
 	esac

git-submodule.sh

@@ -327,7 +327,7 @@ set_name_rev () {
 		cd "$1" && {
 			git describe "$2" 2>/dev/null ||
 			git describe --tags "$2" 2>/dev/null ||
-			git describe --contains --tags "$2"
+			git describe --contains --tags --always "$2"
 		}
 	) )
 	test -z "$revname" || revname=" ($revname)"

git-svn.perl

@@ -1120,7 +1120,7 @@ sub cmt_metadata {
 
 sub working_head_info {
 	my ($head, $refs) = @_;
-	my @args = ('log', '--no-color', '--first-parent');
+	my @args = ('log', '--no-color', '--first-parent', '--pretty=medium');
 	my ($fh, $ctx) = command_output_pipe(@args, $head);
 	my $hash;
 	my %max;

revision.c

@@ -1083,6 +1083,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 				continue;
 			}
 			if (!strcmp(arg, "--topo-order")) {
+				revs->lifo = 1;
 				revs->topo_order = 1;
 				continue;
 			}

t/t6030-bisect-porcelain.sh

@@ -71,6 +71,19 @@ test_expect_success 'bisect start with one bad and good' '
 	git bisect next
 '
 
+test_expect_success 'bisect good and bad fails if not given only revs' '
+	git bisect reset &&
+	git bisect start &&
+	test_must_fail git bisect good foo $HASH1 &&
+	test_must_fail git bisect good $HASH1 bar &&
+	test_must_fail git bisect bad frotz &&
+	test_must_fail git bisect bad $HASH3 $HASH4 &&
+	test_must_fail git bisect skip bar $HASH3 &&
+	test_must_fail git bisect skip $HASH1 foo &&
+	git bisect good $HASH1 &&
+	git bisect bad $HASH4
+'
+
 test_expect_success 'bisect reset: back in the master branch' '
 	git bisect reset &&
 	echo "* master" > branch.expect &&