X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=git-am.sh;h=e69ecbfdb1a817b477aff8618f284a4c921e00e5;hb=ced38ea252cb8b0315f4d2a54648b11c6c090657;hp=9a6123437ea092069fc2c0c29349252f31efd496;hpb=67dad687ad15d26d8e26f4d27874af0bc0965ce2;p=git.git

diff --git a/git-am.sh b/git-am.sh
index 9a6123437..e69ecbfdb 100755
--- a/git-am.sh
+++ b/git-am.sh
@@ -3,7 +3,7 @@
 # Copyright (c) 2005, 2006 Junio C Hamano
 
 USAGE='[--signoff] [--dotest=<dir>] [--utf8 | --no-utf8] [--binary] [--3way]
-  [--interactive] [--whitespace=<option>] [-CNUM] <mbox>...
+  [--interactive] [--whitespace=<option>] [-C<n>] [-p<n>] <mbox>...
   or, when resuming [--skip | --resolved]'
 . git-sh-setup
 set_reflog_action am
@@ -66,7 +66,7 @@ fall_back_3way () {
     git-update-index -z --index-info <"$dotest/patch-merge-index-info" &&
     GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
     git-write-tree >"$dotest/patch-merge-base+" ||
-    cannot_fallback "Patch does not record usable index information."
+    cannot_fallback "Repository lacks necessary blobs to fall back on 3-way merge."
 
     echo Using index info to reconstruct a base tree...
     if GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
@@ -142,10 +142,7 @@ do
 	--sk|--ski|--skip)
 	skip=t; shift ;;
 
-	--whitespace=*)
-	git_apply_opt="$git_apply_opt $1"; shift ;;
-
-	-C*)
+	--whitespace=*|-C*|-p*)
 	git_apply_opt="$git_apply_opt $1"; shift ;;
 
 	--resolvemsg=*)
@@ -293,6 +290,10 @@ do
 		git-mailinfo $keep $utf8 "$dotest/msg" "$dotest/patch" \
 			<"$dotest/$msgnum" >"$dotest/info" ||
 			stop_here $this
+		test -s $dotest/patch || {
+			echo "Patch is empty.  Was is split wrong?"
+			stop_here $this
+		}
 		git-stripspace < "$dotest/msg" > "$dotest/msg-clean"
 		;;
 	esac
@@ -407,12 +408,10 @@ do
 		# trust what the user has in the index file and the
 		# working tree.
 		resolved=
-		changed="$(git-diff-index --cached --name-only HEAD)"
-		if test '' = "$changed"
-		then
+		git-diff-index --quiet --cached HEAD && {
 			echo "No changes - did you forget to use 'git add'?"
 			stop_here_user_resolve $this
-		fi
+		}
 		unmerged=$(git-ls-files -u)
 		if test -n "$unmerged"
 		then
@@ -434,13 +433,11 @@ do
 		then
 		    # Applying the patch to an earlier tree and merging the
 		    # result may have produced the same tree as ours.
-		    changed="$(git-diff-index --cached --name-only HEAD)"
-		    if test '' = "$changed"
-		    then
-			    echo No changes -- Patch already applied.
-			    go_next
-			    continue
-		    fi
+		    git-diff-index --quiet --cached HEAD && {
+			echo No changes -- Patch already applied.
+			go_next
+			continue
+		    }
 		    # clear apply_status -- we have successfully merged.
 		    apply_status=0
 		fi