[PATCH] send-email: recognize absolute path on Windows

[Erik Faye-Lund <kusmabite@gmail.com>]

From: Erik Faye-Lund <kusmabite@googlemail.com>

On Windows, absolute paths might start with a DOS drive prefix,
which this check fails to recognize.

Unfortunately, we cannot simply use the file_name_is_absolute
helper in File::Spec::Functions, because Git for Windows has an
MSYS-based Perl, where this helper doesn't grok DOS
drive-prefixes.

So let's manually check for these in that case, and fall back to
the File::Spec-helper on other platforms (e.g Win32 with native
Perl)

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
---

Here's a patch that we've been running with a variation of in
Git for Windows for a while. That version wasn't quite palatable,
as it recognized DOS drive-prefixes on all platforms.

 git-send-email.perl | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/git-send-email.perl b/git-send-email.perl
index fdb0029..c4d85a7 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -1113,6 +1113,18 @@ sub ssl_verify_params {
 	}
 }
 
+sub file_name_is_absolute {
+	my ($path) = @_;
+
+	# msys does not grok DOS drive-prefixes
+	if ($^O eq 'msys') {
+		return ($path =~ m#^/# || $path =~ m#[a-zA-Z]\:#)
+	}
+
+	require File::Spec::Functions;
+	return File::Spec::Functions::file_name_is_absolute($path);
+}
+
 # Returns 1 if the message was sent, and 0 otherwise.
 # In actuality, the whole program dies when there
 # is an error sending a message.
@@ -1197,7 +1209,7 @@ X-Mailer: git-send-email $gitversion
 
 	if ($dry_run) {
 		# We don't want to send the email.
-	} elsif ($smtp_server =~ m#^/#) {
+	} elsif (file_name_is_absolute($smtp_server)) {
 		my $pid = open my $sm, '|-';
 		defined $pid or die $!;
 		if (!$pid) {
-- 
1.9.0.msysgit.0

-- 
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