[PATCH v3] am: invoke perl's strftime in C locale

["Dmitry V. Levin" <ldv@altlinux.org>]

This fixes "hg" patch format support for locales other than C and en_*.
Before the change, git-am was making "Date:" line from hg changeset
metadata according to the current locale, and this line was rejected
later with "invalid date format" diagnostics because localized date
strings are not supported.

Reported-by: Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
---

 v3: alternative implementation using setlocale(LC_TIME, "C")

 git-am.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/git-am.sh b/git-am.sh
index c682d34..8677d8c 100755
--- a/git-am.sh
+++ b/git-am.sh
@@ -334,7 +334,8 @@ split_patches () {
 			# Since we cannot guarantee that the commit message is in
 			# git-friendly format, we put no Subject: line and just consume
 			# all of the message as the body
-			perl -M'POSIX qw(strftime)' -ne 'BEGIN { $subject = 0 }
+			perl -M'POSIX qw(strftime :locale_h)' -ne '
+				BEGIN { setlocale(LC_TIME, "C"); $subject = 0 }
 				if ($subject) { print ; }
 				elsif (/^\# User /) { s/\# User/From:/ ; print ; }
 				elsif (/^\# Date /) {

-- 
ldv