X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=git-am.sh;h=4232e27411036e339f8102e45b7cb699c808a798;hb=HEAD;hp=39f255209e11283a0c3d402f215ff6c187922ea7;hpb=b0d3e9baaa16c805ef941e8f26d55fb23f091ef5;p=git.git

diff --git a/git-am.sh b/git-am.sh
index 39f25520..4232e274 100755
--- a/git-am.sh
+++ b/git-am.sh
@@ -1,16 +1,43 @@
 #!/bin/sh
 #
-#
+# Copyright (c) 2005, 2006 Junio C Hamano
 
-USAGE='[--signoff] [--dotest=<dir>] [--utf8] [--binary] [--3way] <mbox>
+USAGE='[--signoff] [--dotest=<dir>] [--utf8] [--binary] [--3way]
+  [--interactive] [--whitespace=<option>] <mbox>...
   or, when resuming [--skip | --resolved]'
 . git-sh-setup
 
+git var GIT_COMMITTER_IDENT >/dev/null || exit
+
 stop_here () {
     echo "$1" >"$dotest/next"
     exit 1
 }
 
+stop_here_user_resolve () {
+    if [ -n "$resolvemsg" ]; then
+	    echo "$resolvemsg"
+	    stop_here $1
+    fi
+    cmdline=$(basename $0)
+    if test '' != "$interactive"
+    then
+        cmdline="$cmdline -i"
+    fi
+    if test '' != "$threeway"
+    then
+        cmdline="$cmdline -3"
+    fi
+    if test '.dotest' != "$dotest"
+    then
+        cmdline="$cmdline -d=$dotest"
+    fi
+    echo "When you have resolved this problem run \"$cmdline --resolved\"."
+    echo "If you would prefer to skip this patch, instead run \"$cmdline --skip\"."
+
+    stop_here $1
+}
+
 go_next () {
 	rm -f "$dotest/$msgnum" "$dotest/msg" "$dotest/msg-clean" \
 		"$dotest/patch" "$dotest/info"
@@ -32,46 +59,12 @@ fall_back_3way () {
 	GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
 	git-write-tree >"$dotest/patch-merge-base+" &&
 	# index has the base tree now.
-	(
-	    cd "$dotest/patch-merge-tmp-dir" &&
-	    GIT_INDEX_FILE="../patch-merge-tmp-index" \
-	    GIT_OBJECT_DIRECTORY="$O_OBJECT" \
-	    git-apply $binary --index <../patch
-        )
+	GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
+	git-apply $binary --cached <"$dotest/patch"
     then
 	echo Using index info to reconstruct a base tree...
 	mv "$dotest/patch-merge-base+" "$dotest/patch-merge-base"
 	mv "$dotest/patch-merge-tmp-index" "$dotest/patch-merge-index"
-    else
-	# Otherwise, try nearby trees that can be used to apply the
-	# patch.
-	(
-	    N=10
-
-	    # Hoping the patch is against our recent commits...
-	    git-rev-list --max-count=$N HEAD
-
-	    # or hoping the patch is against known tags...
-	    git-ls-remote --tags .
-	) |
-	while read base junk
-	do
-	    # See if we have it as a tree...
-	    git-cat-file tree "$base" >/dev/null 2>&1 || continue
-
-	    rm -fr "$dotest"/patch-merge-* &&
-	    mkdir "$dotest/patch-merge-tmp-dir" || break
-	    (
-		cd "$dotest/patch-merge-tmp-dir" &&
-		GIT_INDEX_FILE=../patch-merge-tmp-index &&
-		GIT_OBJECT_DIRECTORY="$O_OBJECT" &&
-		export GIT_INDEX_FILE GIT_OBJECT_DIRECTORY &&
-		git-read-tree "$base" &&
-		git-apply $binary --index &&
-		mv ../patch-merge-tmp-index ../patch-merge-index &&
-		echo "$base" >../patch-merge-base
-	    ) <"$dotest/patch"  2>/dev/null && break
-	done
     fi
 
     test -f "$dotest/patch-merge-index" &&
@@ -88,13 +81,17 @@ 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= resolvemsg=
 
 while case "$#" in 0) break;; esac
 do
@@ -127,6 +124,12 @@ do
 	--sk|--ski|--skip)
 	skip=t; shift ;;
 
+	--whitespace=*)
+	ws=$1; shift ;;
+
+	--resolvemsg=*)
+	resolvemsg=$(echo "$1" | sed -e "s/^--resolvemsg=//"); shift ;;
+
 	--)
 	shift; break ;;
 	-*)
@@ -155,23 +158,21 @@ then
 else
 	# Make sure we are not given --skip nor --resolved
 	test ",$skip,$resolved," = ,,, ||
-		die "we are not resuming."
+		die "Resolve operation not in progress, we are not resuming."
 
 	# 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"
@@ -199,6 +200,7 @@ if test "$(cat "$dotest/keep")" = t
 then
 	keep=-k
 fi
+ws=`cat "$dotest/whitespace"`
 if test "$(cat "$dotest/sign")" = t
 then
 	SIGNOFF=`git-var GIT_COMMITTER_IDENT | sed -e '
@@ -214,6 +216,7 @@ this=`cat "$dotest/next"`
 if test "$skip" = t
 then
 	this=`expr "$this" + 1`
+	resume=
 fi
 
 if test "$this" -gt "$last"
@@ -228,6 +231,7 @@ do
 	msgnum=`printf "%0${prec}d" $this`
 	next=`expr "$this" + 1`
 	test -f "$dotest/$msgnum" || {
+		resume=
 		go_next
 		continue
 	}
@@ -252,6 +256,13 @@ 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")"
@@ -288,7 +299,7 @@ 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"
@@ -343,7 +354,7 @@ do
 
 	case "$resolved" in
 	'')
-		git-apply $binary --index "$dotest/patch"
+		git-apply $binary --index $ws "$dotest/patch"
 		apply_status=$?
 		;;
 	t)
@@ -352,6 +363,19 @@ do
 		# trust what the user has in the index file and the
 		# working tree.
 		resolved=
+		changed="$(git-diff-index --cached --name-only HEAD)"
+		if test '' = "$changed"
+		then
+			echo "No changes - did you forget update-index?"
+			stop_here_user_resolve $this
+		fi
+		unmerged=$(git-ls-files -u)
+		if test -n "$unmerged"
+		then
+			echo "You still have unmerged paths in your index"
+			echo "did you forget update-index?"
+			stop_here_user_resolve $this
+		fi
 		apply_status=0
 		;;
 	esac
@@ -362,7 +386,7 @@ do
 		then
 		    # Applying the patch to an earlier tree and merging the
 		    # result may have produced the same tree as ours.
-		    changed="$(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.
@@ -376,7 +400,7 @@ do
 	if test $apply_status != 0
 	then
 		echo Patch failed at $msgnum.
-		stop_here $this
+		stop_here_user_resolve $this
 	fi
 
 	if test -x "$GIT_DIR"/hooks/pre-applypatch
@@ -389,7 +413,7 @@ do
 	parent=$(git-rev-parse --verify HEAD) &&
 	commit=$(git-commit-tree $tree -p $parent <"$dotest/final-commit") &&
 	echo Committed: $commit &&
-	git-update-ref HEAD $commit $parent ||
+	git-update-ref -m "am: $SUBJECT" HEAD $commit $parent ||
 	stop_here $this
 
 	if test -x "$GIT_DIR"/hooks/post-applypatch