send-email: allow send-email to run outside a repo

diff --git a/git-send-email.perl b/git-send-email.perl
index 61144011d0e4ab2c56ee0607eb7b80fbe3634e10..9dad10092b56d724b84ff703739b001edebf4a20 100755 (executable)
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -23,7 +23,7 @@
 use Text::ParseWords;
 use Data::Dumper;
 use Term::ANSIColor;
-use File::Temp qw/ tempdir /;
+use File::Temp qw/ tempdir tempfile /;
 use Error qw(:try);
 use Git;
 
@@ -156,7 +156,10 @@ sub format_2822_time {
 # Behavior modification variables
 my ($quiet, $dry_run) = (0, 0);
 my $format_patch;
-my $compose_filename = $repo->repo_path() . "/.gitsendemail.msg.$$";
+my $compose_filename = ($repo ?
+       tempfile(".gitsendemail.msg.XXXXXX", DIR => $repo->repo_path()) :
+       tempfile(".gitsendemail.msg.XXXXXX", DIR => "."))[1];
+
 
 # Handle interactive edition of files.
 my $multiedit;
@@ -267,6 +270,9 @@ sub signal_handler {
     usage();
 }
 
+die "Cannot run git format-patch from outside a repository\n"
+       if $format_patch and not $repo;
+
 # Now, let's fill any that aren't set in with defaults:
 
 sub read_config {
@@ -361,7 +367,7 @@ sub read_config {
 }
 
 sub split_addrs {
-       return parse_line('\s*,\s*', 1, @_);
+       return quotewords('\s*,\s*', 1, @_);
 }
 
 my %aliases;
@@ -404,6 +410,7 @@ sub split_addrs {
 
 # returns 1 if the conflict must be solved using it as a format-patch argument
 sub check_file_rev_conflict($) {
+       return unless $repo;
        my $f = shift;
        try {
                $repo->command('rev-parse', '--verify', '--quiet', $f);
@@ -445,6 +452,8 @@ ($)
 }
 
 if (@rev_list_opts) {
+       die "Cannot run git format-patch from outside a repository\n"
+               unless $repo;
        push @files, $repo->command('format-patch', '-o', tempdir(CLEANUP => 1), @rev_list_opts);
 }