[PATCH 2/2] git-am foreign patch support: StGIT

[Giuseppe Bilotta <giuseppe.bilotta@gmail.com>]

Convert StGIT patches to mbox format so that they can be imported.

Signed-off-by: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
---
 git-am.sh |   32 ++++++++++++++++++++++++++++++++
 1 files changed, 32 insertions(+), 0 deletions(-)

diff --git a/git-am.sh b/git-am.sh
index 3508b7e..5199354 100755
--- a/git-am.sh
+++ b/git-am.sh
@@ -375,6 +375,38 @@ else
 			exit 1
 		}
 		;;
+	stgit)
+		this=0
+		for stgit in "$@"
+		do
+			this=`expr "$this" + 1`
+			msgnum=`printf "%0${prec}d" $this`
+			touch "$dotest/$msgnum"
+			# Awk version of StGIT parse_patch
+			awk 'BEGIN { subject=0 }
+			{
+				if (subject > 1)
+					print ;
+				else if (/^$/) next ;
+				else if (/^Author:/) print sub("Author", "From"), $ORS ;
+				else if (/^(From|Date)/) print ;
+				else if (subject) {
+					subject = 2 ;
+					print "" ;
+					print ;
+				} else {
+					print "Subject:", $0 ;
+					subject = 1;
+				}
+			}' "$stgit" > "$dotest/$msgnum" || {
+				echo "Failed to import $patch_format patch $stgit"
+				exit 1
+			}
+		done
+		echo "$this" > "$dotest/last"
+		this=
+		msgnum=
+		;;
 	*)
 		echo "Patch format $patch_format is not currently handled, sorry"
 		exit 1
-- 
1.6.3.1.245.g4529.dirty