perl/Git.pm: Honor SSH_ASKPASS as fallback if GIT_ASKPASS is not set

If GIT_ASKPASS environment variable is not set, git-svn does not try to use
SSH_ASKPASS as git-core does. This change adds a fallback to SSH_ASKPASS.

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/perl/Git.pm b/perl/Git.pm
index 72e93c7e1b938f1909056a51646781ace26e06f2..8dfca65454efe07c397531b78eafcebebf69fdb7 100644 (file)
--- a/perl/Git.pm
+++ b/perl/Git.pm
@@ -515,8 +515,8 @@ sub version {
 
 Query user C<PROMPT> and return answer from user.
 
-Honours GIT_ASKPASS environment variable for querying
-the user. If no GIT_ASKPASS variable is set or an error occoured,
+Honours GIT_ASKPASS and SSH_ASKPASS environment variables for querying
+the user. If no *_ASKPASS variable is set or an error occoured,
 the terminal is tried as a fallback.
 
 =cut
@@ -527,6 +527,9 @@ sub prompt {
        if (exists $ENV{'GIT_ASKPASS'}) {
                $ret = _prompt($ENV{'GIT_ASKPASS'}, $prompt);
        }
+       if (!defined $ret && exists $ENV{'SSH_ASKPASS'}) {
+               $ret = _prompt($ENV{'SSH_ASKPASS'}, $prompt);
+       }
        if (!defined $ret) {
                print STDERR $prompt;
                STDERR->flush;