Filter out all the arguments git-send-email doesn't like to a
git format-patch command, that dumps its content to a safe directory.
Barf when a file/revision conflict occurs, allow it to be overriden
--[no-]format-patch.
Signed-off-by: Pierre Habouzit <madcoder@xxxxxxxxxx>
---
Documentation/git-send-email.txt | 8 +++++-
git-send-email.perl | 47 +++++++++++++++++++++++++++++++++----
t/t9001-send-email.sh | 8 ++++++
3 files changed, 57 insertions(+), 6 deletions(-)
diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt
index 82f5056..0beaad4 100644
--- a/Documentation/git-send-email.txt
+++ b/Documentation/git-send-email.txt
@@ -8,7 +8,7 @@ git-send-email - Send a collection of patches as emails
SYNOPSIS
--------
-'git send-email' [options] <file|directory> [... file|directory]
+'git send-email' [options] <file|directory|rev-list options>...
DESCRIPTION
@@ -183,6 +183,12 @@ Administering
--[no-]validate::
Perform sanity checks on patches.
Currently, validation means the following:
+
+--[no-]format-patch::
+ When an argument may be understood either as a reference or as a file name,
+ choose to understand it as a format-patch argument ('--format-patch')
+ or as a file name ('--no-format-patch'). By default, when such a conflict
+ occurs, git send-email will fail.
+
--
* Warn of patches that contain lines longer than 998 characters; this
diff --git a/git-send-email.perl b/git-send-email.perl
index aaace02..6f5a613 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -22,8 +22,12 @@ use Term::ReadLine;
use Getopt::Long;
use Data::Dumper;
use Term::ANSIColor;
+use File::Temp qw/ tempdir /;
+use Error qw(:try);
use Git;
+Getopt::Long::Configure qw/ pass_through /;
+
package FakeTerm;
sub new {
my ($class, $reason) = @_;
@@ -38,7 +42,7 @@ package main;
sub usage {
print <<EOT;
-git send-email [options] <file | directory>...
+git send-email [options] <file | directory | rev-list options >
Composing:
--from <str> * Email From:
@@ -73,6 +77,8 @@ git send-email [options] <file | directory>...
--quiet * Output one line of info per email.
--dry-run * Don't actually send the emails.
--[no-]validate * Perform patch sanity checks. Default on.
+ --[no-]format-patch * understand any non optional arguments as
+ `git format-patch` ones.
EOT
exit(1);
@@ -146,6 +152,7 @@ if ($@) {
# Behavior modification variables
my ($quiet, $dry_run) = (0, 0);
+my $format_patch;
my $compose_filename = $repo->repo_path() . "/.gitsendemail.msg.$$";
# Variables with corresponding config settings
@@ -229,6 +236,7 @@ my $rc = GetOptions("sender|from=s" => \$sender,
"envelope-sender=s" => \$envelope_sender,
"thread!" => \$thread,
"validate!" => \$validate,
+ "format-patch!" => \$format_patch,
);
unless ($rc) {
@@ -363,23 +371,52 @@ if (@alias_files and $aliasfiletype and defined $parse_alias{$aliasfiletype}) {
($sender) = expand_aliases($sender) if defined $sender;
+# returns 1 if the conflict must be solved using it as a format-patch argument
+sub check_file_rev_conflict($) {
+ my $f = shift;
+ try {
+ $repo->command('rev-parse', '--verify', '--quiet', $f);
+ if (defined($format_patch)) {
+ print "foo\n";
+ return $format_patch;
+ }
+ die(<<EOF);
+File '$f' exists but it could also be the range of commits
+to produce patches for. Please disambiguate by...
+
+ * Saying "./$f" if you mean a file; or
+ * Giving --format-patch option if you mean a range.
+EOF
+ } catch Git::Error::Command with {
+ return 0;
+ }
+}
+
# Now that all the defaults are set, process the rest of the command line
# arguments and collect up the files that need to be processed.
-for my $f (@ARGV) {
- if (-d $f) {
+my @rev_list_opts;
+while (my $f = pop @ARGV) {
+ if ($f eq "--") {
+ push @rev_list_opts, "--", @ARGV;
+ @ARGV = ();
+ } elsif (-d $f and !check_file_rev_conflict($f)) {
opendir(DH,$f)
or die "Failed to opendir $f: $!";
push @files, grep { -f $_ } map { +$f . "/" . $_ }
sort readdir(DH);
closedir(DH);
- } elsif (-f $f or -p $f) {
+ } elsif ((-f $f or -p $f) and !check_file_rev_conflict($f)) {
push @files, $f;
} else {
- print STDERR "Skipping $f - not found.\n";
+ push @rev_list_opts, $f;
}
}
+if (@rev_list_opts) {
+ push @files, $repo->command('format-patch', '-o', tempdir(CLEANUP => 1), @rev_list_opts);
+}
+
if ($validate) {
foreach my $f (@files) {
unless (-p $f) {
diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh
index 561ae7d..b4bddd1 100755
--- a/t/t9001-send-email.sh
+++ b/t/t9001-send-email.sh
@@ -292,4 +292,12 @@ test_expect_success '--compose adds MIME for utf8 subject' '
grep "^Subject: =?utf-8?q?utf8-s=C3=BCbj=C3=ABct?=" msgtxt1
'
+test_expect_success 'detects ambiguous reference/file conflict' '
+ echo master > master &&
+ git add master &&
+ git commit -m"add master" &&
+ test_must_fail git send-email --dry-run master > errors &&
+ grep disambiguate errors
+'
+
test_done
--
1.6.0.4.859.g7ecd.dirty
--
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