Merge branch 'maint'

* maint:
  http.c: Fix problem with repeated calls of http_init
  Add missing reference to GIT_COMMITTER_DATE in git-commit-tree documentation
  Fix import-tars fix.
  Update .mailmap with "Michael"
  Do not barf on too long action description
  Catch empty pathnames in trees during fsck
  Don't allow empty pathnames in fast-import
  import-tars: be nice to wrong directory modes
  git-svn: Added 'find-rev' command
  git shortlog documentation: add long options and fix a typo

11 files changed, 47 insertions, 8 deletions

diff --git a/.mailmap b/.mailmap
index 3a624eabc..17e89af11 100644
--- a/.mailmap
+++ b/.mailmap
@@ -23,6 +23,7 @@ Lars Doelle <lars.doelle@on-line.de>
 Lars Doelle <lars.doelle@on-line ! de>
 Lukas Sandström <lukass@etek.chalmers.se>
 Martin Langhoff <martin@catalyst.net.nz>
+Michele Ballabio <barra_cuda@katamail.com>
 Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
 Ramsay Allan Jones <ramsay@ramsay1.demon.co.uk>
 René Scharfe <rene.scharfe@lsrfire.ath.cx>
diff --git a/Documentation/git-commit-tree.txt b/Documentation/git-commit-tree.txt
index cf25507f8..1571dbbb7 100644
--- a/Documentation/git-commit-tree.txt
+++ b/Documentation/git-commit-tree.txt
@@ -60,6 +60,7 @@ either `.git/config` file, or using the following environment variables.
 	GIT_AUTHOR_DATE
 	GIT_COMMITTER_NAME
 	GIT_COMMITTER_EMAIL
+	GIT_COMMITTER_DATE
 
 (nb "<", ">" and "\n"s are stripped)
 
diff --git a/Documentation/git-shortlog.txt b/Documentation/git-shortlog.txt
index 1c8c55ef6..15cc6f77c 100644
--- a/Documentation/git-shortlog.txt
+++ b/Documentation/git-shortlog.txt
@@ -9,7 +9,7 @@ SYNOPSIS
 --------
 [verse]
 git-log --pretty=short | 'git-shortlog' [-h] [-n] [-s]
-git-shortlog [-n|--number] [-s|--summary] [<committish>...]
+git-shortlog [-n|--numbered] [-s|--summary] [<committish>...]
 
 DESCRIPTION
 -----------
@@ -22,14 +22,14 @@ Additionally, "[PATCH]" will be stripped from the commit description.
 OPTIONS
 -------
 
--h::
+-h, \--help::
 	Print a short usage message and exit.
 
--n::
+-n, \--numbered::
 	Sort output according to the number of commits per author instead
 	of author alphabetic order.
 
--s::
+-s, \--summary::
 	Suppress commit description and provide a commit count summary only.
 
 FILES
diff --git a/Documentation/git-svn.txt b/Documentation/git-svn.txt
index a0d34e005..a35b9de3b 100644
--- a/Documentation/git-svn.txt
+++ b/Documentation/git-svn.txt
@@ -159,6 +159,11 @@ New features:
 Any other arguments are passed directly to `git log'
 
 --
+'find-rev'::
+	When given an SVN revision number of the form 'rN', returns the
+	corresponding git commit hash.  When given a tree-ish, returns the
+	corresponding SVN revision number.
+
 'set-tree'::
 	You should consider using 'dcommit' instead of this command.
 	Commit specified commit or tree objects to SVN.  This relies on
diff --git a/Documentation/git.txt b/Documentation/git.txt
index ca1f78f79..08ba53ae0 100644
--- a/Documentation/git.txt
+++ b/Documentation/git.txt
@@ -344,6 +344,7 @@ git Commits
 'GIT_AUTHOR_DATE'::
 'GIT_COMMITTER_NAME'::
 'GIT_COMMITTER_EMAIL'::
+'GIT_COMMITTER_DATE'::
 	see gitlink:git-commit-tree[1]
 
 git Diffs
diff --git a/builtin-fetch--tool.c b/builtin-fetch--tool.c
index 3145c01f7..2065466f2 100644
--- a/builtin-fetch--tool.c
+++ b/builtin-fetch--tool.c
@@ -35,16 +35,13 @@ static int update_ref(const char *action,
 		      unsigned char *sha1,
 		      unsigned char *oldval)
 {
-	int len;
 	char msg[1024];
 	char *rla = getenv("GIT_REFLOG_ACTION");
 	static struct ref_lock *lock;
 
 	if (!rla)
 		rla = "(reflog update)";
-	len = snprintf(msg, sizeof(msg), "%s: %s", rla, action);
-	if (sizeof(msg) <= len)
-		die("insanely long action");
+	snprintf(msg, sizeof(msg), "%s: %s", rla, action);
 	lock = lock_any_ref_for_update(refname, oldval);
 	if (!lock)
 		return 1;
diff --git a/builtin-fsck.c b/builtin-fsck.c
index fcb8ed5af..44ce629a4 100644
--- a/builtin-fsck.c
+++ b/builtin-fsck.c
@@ -219,6 +219,7 @@ static int fsck_tree(struct tree *item)
 {
 	int retval;
 	int has_full_path = 0;
+	int has_empty_name = 0;
 	int has_zero_pad = 0;
 	int has_bad_modes = 0;
 	int has_dup_entries = 0;
@@ -242,6 +243,8 @@ static int fsck_tree(struct tree *item)
 
 		if (strchr(name, '/'))
 			has_full_path = 1;
+		if (!*name)
+			has_empty_name = 1;
 		has_zero_pad |= *(char *)desc.buffer == '0';
 		update_tree_entry(&desc);
 
@@ -291,6 +294,9 @@ static int fsck_tree(struct tree *item)
 	if (has_full_path) {
 		objwarning(&item->object, "contains full pathnames");
 	}
+	if (has_empty_name) {
+		objwarning(&item->object, "contains empty pathname");
+	}
 	if (has_zero_pad) {
 		objwarning(&item->object, "contains zero-padded file modes");
 	}
diff --git a/contrib/fast-import/import-tars.perl b/contrib/fast-import/import-tars.perl
index 184214689..d2363a415 100755
--- a/contrib/fast-import/import-tars.perl
+++ b/contrib/fast-import/import-tars.perl
@@ -52,6 +52,7 @@ foreach my $tar_file (@ARGV)
 			Z8 Z1 Z100 Z6
 			Z2 Z32 Z32 Z8 Z8 Z*', $_;
 		last unless $name;
+		next if $name =~ m{/\z};
 		$mode = oct $mode;
 		$size = oct $size;
 		$mtime = oct $mtime;
diff --git a/fast-import.c b/fast-import.c
index c4c8cb905..b4cbcd901 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -1199,6 +1199,8 @@ static int tree_content_set(
 		n = slash1 - p;
 	else
 		n = strlen(p);
+	if (!n)
+		die("Empty path component found in input");
 
 	for (i = 0; i < t->entry_count; i++) {
 		e = t->entries[i];
diff --git a/git-svn.perl b/git-svn.perl
index 7b5f8ab3b..4be857689 100755
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -141,6 +141,8 @@ my %cmd = (
 			  'color' => \$Git::SVN::Log::color,
 			  'pager=s' => \$Git::SVN::Log::pager,
 			} ],
+	'find-rev' => [ \&cmd_find_rev, "Translate between SVN revision numbers and tree-ish",
+			{ } ],
 	'rebase' => [ \&cmd_rebase, "Fetch and rebase your working directory",
 			{ 'merge|m|M' => \$_merge,
 			  'verbose|v' => \$_verbose,
@@ -428,6 +430,28 @@ sub cmd_dcommit {
 	command_noisy(@finish, $gs->refname);
 }
 
+sub cmd_find_rev {
+	my $revision_or_hash = shift;
+	my $result;
+	if ($revision_or_hash =~ /^r\d+$/) {
+		my $desired_revision = substr($revision_or_hash, 1);
+		my ($fh, $ctx) = command_output_pipe('rev-list', 'HEAD');
+		while (my $hash = <$fh>) {
+			chomp($hash);
+			my (undef, $rev, undef) = cmt_metadata($hash);
+			if ($rev && $rev eq $desired_revision) {
+				$result = $hash;
+				last;
+			}
+		}
+		command_close_pipe($fh, $ctx);
+	} else {
+		my (undef, $rev, undef) = cmt_metadata($revision_or_hash);
+		$result = $rev;
+	}
+	print "$result\n" if $result;
+}
+
 sub cmd_rebase {
 	command_noisy(qw/update-index --refresh/);
 	my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
diff --git a/http.c b/http.c
index 576740fef..ae27e0c94 100644
--- a/http.c
+++ b/http.c
@@ -300,6 +300,7 @@ void http_cleanup(void)
 	curl_global_cleanup();
 
 	curl_slist_free_all(pragma_header);
+        pragma_header = NULL;
 }
 
 struct active_request_slot *get_active_slot(void)