[PATCHv2 4/4] git-am: refactor 'cleaning up and aborting'

From

Giuseppe Bilotta <giuseppe.bilotta@gmail.com>

Date

May 26, 2009, 00:38 UTC

Message-ID

<1243298290-5909-5-git-send-email-giuseppe.bilotta@gmail.com>

In-Reply-To

<1243298290-5909-4-git-send-email-giuseppe.bilotta@gmail.com>

Use it when patch format detection or patch splitting fails early.
---
 git-am.sh |   29 +++++++++++++++--------------
 1 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/git-am.sh b/git-am.sh
index 1a00830..057acfe 100755
--- a/git-am.sh
+++ b/git-am.sh
@@ -134,6 +134,15 @@ It does not apply to blobs recorded in its index."
     unset GITHEAD_$his_tree
 }
 
+clean_abort () {
+	if test $# -gt 0
+	then
+		echo "$@" > /dev/stderr
+	fi
+	rm -fr "$dotest"
+	exit 1
+}
+
 patch_format=
 
 check_patch_format () {
@@ -192,22 +201,18 @@ check_patch_format () {
 				fi
 				;;
 		esac
-	} < "$1"
+	} < "$1" || clean_abort
 }
 
 split_patches () {
 	case "$patch_format" in
 	mbox)
-		git mailsplit -d"$prec" -o"$dotest" -b -- "$@" > "$dotest/last" ||  {
-			rm -fr "$dotest"
-			exit 1
-		}
+		git mailsplit -d"$prec" -o"$dotest" -b -- "$@" > "$dotest/last" || clean_abort
 		;;
 	stgit-series)
 		if test $# -ne 1
 		then
-			echo "Only one StGIT patch series can be applied at once"
-			exit 1
+			clean_abort "Only one StGIT patch series can be applied at once"
 		fi
 		series_dir=`dirname "$1"`
 		series_file="$1"
@@ -222,7 +227,7 @@ split_patches () {
 			shift
 			# remove the arg coming from the first-line comment
 			shift
-		} < "$series_file"
+		} < "$series_file" || clean_abort
 		# set the patch format appropriately
 		patch_format=stgit
 		# now handle the actual StGIT patches
@@ -254,18 +259,14 @@ split_patches () {
 					print "Subject:", $0 ;
 					subject = 1;
 				}
-			}' "$stgit" > "$dotest/$msgnum" || {
-				echo "Failed to import $patch_format patch $stgit"
-				exit 1
-			}
+			}' "$stgit" > "$dotest/$msgnum" || clean_abort
 		done
 		echo "$this" > "$dotest/last"
 		this=
 		msgnum=
 		;;
 	*)
-		echo "Patch format $patch_format is not supported."
-		exit 1
+		clean_abort "Patch format $patch_format is not supported."
 		;;
 	esac
 }

-- 
1.6.3.1.248.gb44be