X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=git-am.sh;h=eab4aa891e522539bb145c9702200d3a788e650c;hb=521a3f676794987bfd03703fe58fbec46ed69d49;hp=6ed527c7a9c2d0bb9bbf84b2176b86ffc0670c93;hpb=9754563ca9a99bc0fe233f43202af15704fbed4d;p=git.git

diff --git a/git-am.sh b/git-am.sh
index 6ed527c7..eab4aa89 100755
--- a/git-am.sh
+++ b/git-am.sh
@@ -1,14 +1,13 @@
 #!/bin/sh
 #
-#
+# Copyright (c) 2005, 2006 Junio C Hamano
+
+USAGE='[--signoff] [--dotest=<dir>] [--utf8] [--binary] [--3way]
+  [--interactive] [--whitespace=<option>] <mbox>...
+  or, when resuming [--skip | --resolved]'
 . git-sh-setup
 
-usage () {
-    echo >&2 "usage: $0 [--signoff] [--dotest=<dir>] [--utf8] [--binary] [--3way] <mbox>"
-    echo >&2 "	or, when resuming"
-    echo >&2 "	$0 [--skip | --resolved]"
-    exit 1;
-}
+git var GIT_COMMITTER_IDENT >/dev/null || exit
 
 stop_here () {
     echo "$1" >"$dotest/next"
@@ -92,13 +91,17 @@ fall_back_3way () {
     # saying that we reverted all those changes.
 
     git-merge-resolve $orig_tree -- HEAD $his_tree || {
+	    if test -d "$GIT_DIR/rr-cache"
+	    then
+		git-rerere
+	    fi
 	    echo Failed to merge in the changes.
 	    exit 1
     }
 }
 
 prec=4
-dotest=.dotest sign= utf8= keep= skip= interactive= resolved= binary=
+dotest=.dotest sign= utf8= keep= skip= interactive= resolved= binary= ws=
 
 while case "$#" in 0) break;; esac
 do
@@ -131,6 +134,9 @@ do
 	--sk|--ski|--skip)
 	skip=t; shift ;;
 
+	--whitespace=*)
+	ws=$1; shift ;;
+
 	--)
 	shift; break ;;
 	-*)
@@ -164,18 +170,16 @@ else
 	# Start afresh.
 	mkdir -p "$dotest" || exit
 
-	# cat does the right thing for us, including '-' to mean
-	# standard input.
-	cat "$@" |
-	git-mailsplit -d$prec "$dotest/" >"$dotest/last" || {
+	git-mailsplit -d"$prec" -o"$dotest" -b -- "$@" > "$dotest/last" ||  {
 		rm -fr "$dotest"
 		exit 1
 	}
 
-	# -b, -s, -u and -k flags are kept for the resuming session after
-	# a patch failure.
+	# -b, -s, -u, -k and --whitespace flags are kept for the
+	# resuming session after a patch failure.
 	# -3 and -i can and must be given when resuming.
 	echo "$binary" >"$dotest/binary"
+	echo " $ws" >"$dotest/whitespace"
 	echo "$sign" >"$dotest/sign"
 	echo "$utf8" >"$dotest/utf8"
 	echo "$keep" >"$dotest/keep"
@@ -203,6 +207,7 @@ if test "$(cat "$dotest/keep")" = t
 then
 	keep=-k
 fi
+ws=`cat "$dotest/whitespace"`
 if test "$(cat "$dotest/sign")" = t
 then
 	SIGNOFF=`git-var GIT_COMMITTER_IDENT | sed -e '
@@ -218,6 +223,7 @@ this=`cat "$dotest/next"`
 if test "$skip" = t
 then
 	this=`expr "$this" + 1`
+	resume=
 fi
 
 if test "$this" -gt "$last"
@@ -232,6 +238,7 @@ do
 	msgnum=`printf "%0${prec}d" $this`
 	next=`expr "$this" + 1`
 	test -f "$dotest/$msgnum" || {
+		resume=
 		go_next
 		continue
 	}
@@ -256,6 +263,13 @@ do
 	GIT_AUTHOR_NAME="$(sed -n '/^Author/ s/Author: //p' "$dotest/info")"
 	GIT_AUTHOR_EMAIL="$(sed -n '/^Email/ s/Email: //p' "$dotest/info")"
 	GIT_AUTHOR_DATE="$(sed -n '/^Date/ s/Date: //p' "$dotest/info")"
+
+	if test -z "$GIT_AUTHOR_EMAIL"
+	then
+		echo "Patch does not have a valid e-mail address."
+		stop_here $this
+	fi
+
 	export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE
 
 	SUBJECT="$(sed -n '/^Subject/ s/Subject: //p' "$dotest/info")"
@@ -292,7 +306,7 @@ do
 	    } >"$dotest/final-commit"
 	    ;;
 	*)
-		case "$resolved,$interactive" in
+		case "$resolved$interactive" in
 		tt)
 			# This is used only for interactive view option.
 			git-diff-index -p --cached HEAD >"$dotest/patch"
@@ -347,7 +361,7 @@ do
 
 	case "$resolved" in
 	'')
-		git-apply $binary --index "$dotest/patch"
+		git-apply $binary --index $ws "$dotest/patch"
 		apply_status=$?
 		;;
 	t)
@@ -356,6 +370,12 @@ do
 		# trust what the user has in the index file and the
 		# working tree.
 		resolved=
+		changed="$(git-diff-index --cached --name-only HEAD)"
+		if test '' = "$changed"
+		then
+			echo "No changes - did you forget update-index?"
+			stop_here $this
+		fi
 		apply_status=0
 		;;
 	esac
@@ -366,7 +386,7 @@ do
 		then
 		    # Applying the patch to an earlier tree and merging the
 		    # result may have produced the same tree as ours.
-		    changed="$(git-diff-index --cached --name-only -z HEAD)"
+		    changed="$(git-diff-index --cached --name-only HEAD)"
 		    if test '' = "$changed"
 		    then
 			    echo No changes -- Patch already applied.