X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=git-am.sh;h=872145b92dc7000eb1c87d548a46fa0d9522870d;hb=e0eb889f8e6597120527b0312874ff4c8448108e;hp=9e41e7031339670f8077a9fd0ca98c703cc35ea6;hpb=d1c5f2a42d7b5c0e3d3862212dea1f09809c4963;p=git.git

diff --git a/git-am.sh b/git-am.sh
index 9e41e703..872145b9 100755
--- a/git-am.sh
+++ b/git-am.sh
@@ -1,20 +1,13 @@
 #!/bin/sh
 #
-#
-. git-sh-setup || die "Not a git archive"
+# Copyright (c) 2005, 2006 Junio C Hamano
 
-files=$(git-diff-index --cached --name-only HEAD) || exit
-if [ "$files" ]; then
-   echo "Dirty index: cannot apply patches (dirty: $files)" >&2
-   exit 1
-fi
+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] [--3way] <mbox>"
-    echo >&2 "	or, when resuming"
-    echo >&2 "	$0 [--skip]"
-    exit 1;
-}
+git var GIT_COMMITTER_IDENT >/dev/null || exit
 
 stop_here () {
     echo "$1" >"$dotest/next"
@@ -35,10 +28,10 @@ fall_back_3way () {
     mkdir "$dotest/patch-merge-tmp-dir"
 
     # First see if the patch records the index info that we can use.
-    if git-apply --show-index-info "$dotest/patch" \
+    if git-apply -z --index-info "$dotest/patch" \
 	>"$dotest/patch-merge-index-info" 2>/dev/null &&
 	GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
-	git-update-index --index-info <"$dotest/patch-merge-index-info" &&
+	git-update-index -z --index-info <"$dotest/patch-merge-index-info" &&
 	GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
 	git-write-tree >"$dotest/patch-merge-base+" &&
 	# index has the base tree now.
@@ -46,7 +39,7 @@ fall_back_3way () {
 	    cd "$dotest/patch-merge-tmp-dir" &&
 	    GIT_INDEX_FILE="../patch-merge-tmp-index" \
 	    GIT_OBJECT_DIRECTORY="$O_OBJECT" \
-	    git-apply --index <../patch
+	    git-apply $binary --index <../patch
         )
     then
 	echo Using index info to reconstruct a base tree...
@@ -77,7 +70,7 @@ fall_back_3way () {
 		GIT_OBJECT_DIRECTORY="$O_OBJECT" &&
 		export GIT_INDEX_FILE GIT_OBJECT_DIRECTORY &&
 		git-read-tree "$base" &&
-		git-apply --index &&
+		git-apply $binary --index &&
 		mv ../patch-merge-tmp-index ../patch-merge-index &&
 		echo "$base" >../patch-merge-base
 	    ) <"$dotest/patch"  2>/dev/null && break
@@ -98,13 +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=
+dotest=.dotest sign= utf8= keep= skip= interactive= resolved= binary= ws=
 
 while case "$#" in 0) break;; esac
 do
@@ -119,6 +116,9 @@ do
 	--interacti|--interactiv|--interactive)
 	interactive=t; shift ;;
 
+	-b|--b|--bi|--bin|--bina|--binar|--binary)
+	binary=t; shift ;;
+
 	-3|--3|--3w|--3wa|--3way)
 	threeway=t; shift ;;
 	-s|--s|--si|--sig|--sign|--signo|--signof|--signoff)
@@ -128,9 +128,15 @@ do
 	-k|--k|--ke|--kee|--keep)
 	keep=t; shift ;;
 
+	-r|--r|--re|--res|--reso|--resol|--resolv|--resolve|--resolved)
+	resolved=t; shift ;;
+
 	--sk|--ski|--skip)
 	skip=t; shift ;;
 
+	--whitespace=*)
+	ws=$1; shift ;;
+
 	--)
 	shift; break ;;
 	-*)
@@ -140,6 +146,8 @@ do
 	esac
 done
 
+# If the dotest directory exists, but we have finished applying all the
+# patches in them, clear it out.
 if test -d "$dotest" &&
    last=$(cat "$dotest/last") &&
    next=$(cat "$dotest/next") &&
@@ -153,29 +161,44 @@ if test -d "$dotest"
 then
 	test ",$#," = ",0," ||
 	die "previous dotest directory $dotest still exists but mbox given."
+	resume=yes
 else
-	# Make sure we are not given --skip
-	test ",$skip," = ,, ||
-	die "we are not resuming."
+	# Make sure we are not given --skip nor --resolved
+	test ",$skip,$resolved," = ,,, ||
+		die "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, -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"
-	echo "$threeway" >"$dotest/3way"
 	echo 1 >"$dotest/next"
 fi
 
+case "$resolved" in
+'')
+	files=$(git-diff-index --cached --name-only HEAD) || exit
+	if [ "$files" ]; then
+	   echo "Dirty index: cannot apply patches (dirty: $files)" >&2
+	   exit 1
+	fi
+esac
+
+if test "$(cat "$dotest/binary")" = t
+then
+	binary=--allow-binary-replacement
+fi
 if test "$(cat "$dotest/utf8")" = t
 then
 	utf8=-u
@@ -184,6 +207,7 @@ if test "$(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 '
@@ -193,13 +217,13 @@ then
 else
 	SIGNOFF=
 fi
-threeway=$(cat "$dotest/3way")
 
 last=`cat "$dotest/last"`
 this=`cat "$dotest/next"`
 if test "$skip" = t
 then
 	this=`expr "$this" + 1`
+	resume=
 fi
 
 if test "$this" -gt "$last"
@@ -214,34 +238,61 @@ do
 	msgnum=`printf "%0${prec}d" $this`
 	next=`expr "$this" + 1`
 	test -f "$dotest/$msgnum" || {
+		resume=
 		go_next
 		continue
 	}
-	git-mailinfo $keep $utf8 "$dotest/msg" "$dotest/patch" \
-		<"$dotest/$msgnum" >"$dotest/info" ||
-		stop_here $this
-	git-stripspace < "$dotest/msg" > "$dotest/msg-clean"
+
+	# If we are not resuming, parse and extract the patch information
+	# into separate files:
+	#  - info records the authorship and title
+	#  - msg is the rest of commit log message
+	#  - patch is the patch body.
+	#
+	# When we are resuming, these files are either already prepared
+	# by the user, or the user can tell us to do so by --resolved flag.
+	case "$resume" in
+	'')
+		git-mailinfo $keep $utf8 "$dotest/msg" "$dotest/patch" \
+			<"$dotest/$msgnum" >"$dotest/info" ||
+			stop_here $this
+		git-stripspace < "$dotest/msg" > "$dotest/msg-clean"
+		;;
+	esac
 
 	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")"
-	SUBJECT="$(sed -n '/^Subject/ s/Subject: //p' "$dotest/info")"
 
-	case "$keep_subject" in -k)  SUBJECT="[PATCH] $SUBJECT" ;; esac
-	if test '' != "$SIGNOFF"
+	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' "$dotest/info")"
+	case "$keep_subject" in -k)  SUBJECT="[PATCH] $SUBJECT" ;; esac
+
+	case "$resume" in
+	'')
+	    if test '' != "$SIGNOFF"
+	    then
 		LAST_SIGNED_OFF_BY=`
-			sed -ne '/^Signed-off-by: /p' "$dotest/msg-clean" |
-			tail -n 1
+		    sed -ne '/^Signed-off-by: /p' \
+		    "$dotest/msg-clean" |
+		    tail -n 1
 		`
-		ADD_SIGNOFF=$(test "$LAST_SIGNED_OFF_BY" = "$SIGNOFF" || {
+		ADD_SIGNOFF=`
+		    test "$LAST_SIGNED_OFF_BY" = "$SIGNOFF" || {
 		    test '' = "$LAST_SIGNED_OFF_BY" && echo
 		    echo "$SIGNOFF"
-		})
-	else
+		}`
+	    else
 		ADD_SIGNOFF=
-	fi
-	{
+	    fi
+	    {
 		echo "$SUBJECT"
 		if test -s "$dotest/msg-clean"
 		then
@@ -252,10 +303,22 @@ do
 		then
 			echo "$ADD_SIGNOFF"
 		fi
-	} >"$dotest/final-commit"
+	    } >"$dotest/final-commit"
+	    ;;
+	*)
+		case "$resolved$interactive" in
+		tt)
+			# This is used only for interactive view option.
+			git-diff-index -p --cached HEAD >"$dotest/patch"
+			;;
+		esac
+	esac
 
+	resume=
 	if test "$interactive" = t
 	then
+	    test -t 0 ||
+	    die "cannot be interactive without stdin connected to a terminal."
 	    action=again
 	    while test "$action" = again
 	    do
@@ -263,14 +326,17 @@ do
 		echo "--------------------------"
 		cat "$dotest/final-commit"
 		echo "--------------------------"
-		echo -n "Apply? [y]es/[n]o/[e]dit/[a]ccept all "
+		printf "Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all "
 		read reply
 		case "$reply" in
-		y*|Y*) action=yes ;;
-		a*|A*) action=yes interactive= ;;
-		n*|N*) action=skip ;;
-		e*|E*) "${VISUAL:-${EDITOR:-vi}}" "$dotest/final-commit"
+		[yY]*) action=yes ;;
+		[aA]*) action=yes interactive= ;;
+		[nN]*) action=skip ;;
+		[eE]*) "${VISUAL:-${EDITOR:-vi}}" "$dotest/final-commit"
 		       action=again ;;
+		[vV]*) action=again
+		       LESS=-S ${PAGER:-less} "$dotest/patch" ;;
+		*)     action=again ;;
 		esac
 	    done
 	else
@@ -293,18 +359,49 @@ do
 	echo "Applying '$SUBJECT'"
 	echo
 
-	git-apply --index "$dotest/patch"; apply_status=$?
+	case "$resolved" in
+	'')
+		git-apply $binary --index $ws "$dotest/patch"
+		apply_status=$?
+		;;
+	t)
+		# Resolved means the user did all the hard work, and
+		# we do not have to do any patch application.  Just
+		# trust what the user has in the index file and the
+		# working tree.
+		resolved=
+		changed="$(git-diff-index --cached --name-only HEAD)"
+		if test '' = "$changed"
+		then
+			echo "No changes - did you forget update-index?"
+			stop_here $this
+		fi
+		unmerged=$(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 $this
+		fi
+		apply_status=0
+		;;
+	esac
+
 	if test $apply_status = 1 && test "$threeway" = t
 	then
-		(fall_back_3way) || stop_here $this
-
-		# Applying the patch to an earlier tree and merging the
-		# result may have produced the same tree as ours.
-		if test '' = "$(git-diff-index --cached --name-only -z HEAD)"
+		if (fall_back_3way)
 		then
-			echo No changes -- Patch already applied.
-			go_next
-			continue
+		    # 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
+		    # clear apply_status -- we have successfully merged.
+		    apply_status=0
 		fi
 	fi
 	if test $apply_status != 0