X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=git-am.sh;h=e69ecbfdb1a817b477aff8618f284a4c921e00e5;hb=b568a503def81f49704ba94f5a822d523022102a;hp=c3bbd78eabf6f3d5eaa0f31bb0c240a26f28e0c5;hpb=b11bd57a384a7bee21245d3895d77d20c33e4d78;p=git.git

diff --git a/git-am.sh b/git-am.sh
index c3bbd78ea..e69ecbfdb 100755
--- a/git-am.sh
+++ b/git-am.sh
@@ -2,11 +2,12 @@
 #
 # Copyright (c) 2005, 2006 Junio C Hamano
 
-USAGE='[--signoff] [--dotest=<dir>] [--utf8] [--binary] [--3way]
-  [--interactive] [--whitespace=<option>] <mbox>...
+USAGE='[--signoff] [--dotest=<dir>] [--utf8 | --no-utf8] [--binary] [--3way]
+  [--interactive] [--whitespace=<option>] [-C<n>] [-p<n>] <mbox>...
   or, when resuming [--skip | --resolved]'
 . git-sh-setup
 set_reflog_action am
+require_work_tree
 
 git var GIT_COMMITTER_IDENT >/dev/null || exit
 
@@ -65,7 +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" \
@@ -88,10 +89,12 @@ It does not apply to blobs recorded in its index."
     # This is not so wrong.  Depending on which base we picked,
     # orig_tree may be wildly different from ours, but his_tree
     # has the same set of wildly different changes in parts the
-    # patch did not touch, so resolve ends up canceling them,
+    # patch did not touch, so recursive ends up canceling them,
     # saying that we reverted all those changes.
 
-    git-merge-resolve $orig_tree -- HEAD $his_tree || {
+    eval GITHEAD_$his_tree='"$SUBJECT"'
+    export GITHEAD_$his_tree
+    git-merge-recursive $orig_tree -- HEAD $his_tree || {
 	    if test -d "$GIT_DIR/rr-cache"
 	    then
 		git-rerere
@@ -99,10 +102,12 @@ It does not apply to blobs recorded in its index."
 	    echo Failed to merge in the changes.
 	    exit 1
     }
+    unset GITHEAD_$his_tree
 }
 
 prec=4
-dotest=.dotest sign= utf8= keep= skip= interactive= resolved= binary= ws= resolvemsg=
+dotest=.dotest sign= utf8=t keep= skip= interactive= resolved= binary= resolvemsg=
+git_apply_opt=
 
 while case "$#" in 0) break;; esac
 do
@@ -125,7 +130,9 @@ do
 	-s|--s|--si|--sig|--sign|--signo|--signof|--signoff)
 	sign=t; shift ;;
 	-u|--u|--ut|--utf|--utf8)
-	utf8=t; shift ;;
+	utf8=t; shift ;; # this is now default
+	--no-u|--no-ut|--no-utf|--no-utf8)
+	utf8=; shift ;;
 	-k|--k|--ke|--kee|--keep)
 	keep=t; shift ;;
 
@@ -135,8 +142,8 @@ do
 	--sk|--ski|--skip)
 	skip=t; shift ;;
 
-	--whitespace=*)
-	ws=$1; shift ;;
+	--whitespace=*|-C*|-p*)
+	git_apply_opt="$git_apply_opt $1"; shift ;;
 
 	--resolvemsg=*)
 	resolvemsg=$(echo "$1" | sed -e "s/^--resolvemsg=//"); shift ;;
@@ -223,6 +230,8 @@ fi
 if test "$(cat "$dotest/utf8")" = t
 then
 	utf8=-u
+else
+	utf8=-n
 fi
 if test "$(cat "$dotest/keep")" = t
 then
@@ -281,6 +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
@@ -386,7 +399,7 @@ do
 
 	case "$resolved" in
 	'')
-		git-apply $binary --index $ws "$dotest/patch"
+		git-apply $git_apply_opt $binary --index "$dotest/patch"
 		apply_status=$?
 		;;
 	t)
@@ -395,12 +408,10 @@ do
 		# trust what the user has in the index file and the
 		# working tree.
 		resolved=
-		changed="$(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 "$unmerged"
 		then
@@ -422,13 +433,11 @@ do
 		then
 		    # Applying the patch to an earlier tree and merging the
 		    # result may have produced the same tree as ours.
-		    changed="$(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