[thirdparty/git.git] / git-am.sh

#!/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
set_reflog_action am

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"
	echo "$next" >"$dotest/next"
	this=$next
}

cannot_fallback () {
	echo "$1"
	echo "Cannot fall back to three-way merge."
	exit 1
}

fall_back_3way () {
    O_OBJECT=`cd "$GIT_OBJECT_DIRECTORY" && pwd`

    rm -fr "$dotest"/patch-merge-*
    mkdir "$dotest/patch-merge-tmp-dir"

    # First see if the patch records the index info that we can use.
    git-apply -z --index-info "$dotest/patch" \
	>"$dotest/patch-merge-index-info" &&
    GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
    git-update-index -z --index-info <"$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."

    echo Using index info to reconstruct a base tree...
    if GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
	git-apply $binary --cached <"$dotest/patch"
    then
	mv "$dotest/patch-merge-base+" "$dotest/patch-merge-base"
	mv "$dotest/patch-merge-tmp-index" "$dotest/patch-merge-index"
    else
        cannot_fallback "Did you hand edit your patch?
It does not apply to blobs recorded in its index."
    fi

    test -f "$dotest/patch-merge-index" &&
    his_tree=$(GIT_INDEX_FILE="$dotest/patch-merge-index" git-write-tree) &&
    orig_tree=$(cat "$dotest/patch-merge-base") &&
    rm -fr "$dotest"/patch-merge-* || exit 1

    echo Falling back to patching base and 3-way merge...

    # 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,
    # 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= ws= resolvemsg=

while case "$#" in 0) break;; esac
do
	case "$1" in
	-d=*|--d=*|--do=*|--dot=*|--dote=*|--dotes=*|--dotest=*)
	dotest=`expr "z$1" : 'z-[^=]*=\(.*\)'`; shift ;;
	-d|--d|--do|--dot|--dote|--dotes|--dotest)
	case "$#" in 1) usage ;; esac; shift
	dotest="$1"; shift;;

	-i|--i|--in|--int|--inte|--inter|--intera|--interac|--interact|\
	--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)
	sign=t; shift ;;
	-u|--u|--ut|--utf|--utf8)
	utf8=t; shift ;;
	-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 ;;

	--resolvemsg=*)
	resolvemsg=$(echo "$1" | sed -e "s/^--resolvemsg=//"); shift ;;

	--)
	shift; break ;;
	-*)
	usage ;;
	*)
	break ;;
	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") &&
   test $# != 0 &&
   test "$next" -gt "$last"
then
   rm -fr "$dotest"
fi

if test -d "$dotest"
then
	case "$#,$skip$resolved" in
	0,*t*)
		# Explicit resume command and we do not have file, so
		# we are happy.
		: ;;
	0,)
		# No file input but without resume parameters; catch
		# user error to feed us a patch from standard input
		# when there is already .dotest.  This is somewhat
		# unreliable -- stdin could be /dev/null for example
		# and the caller did not intend to feed us a patch but
		# wanted to continue unattended.
		tty -s
		;;
	*)
		false
		;;
	esac ||
	die "previous dotest directory $dotest still exists but mbox given."
	resume=yes
else
	# Make sure we are not given --skip nor --resolved
	test ",$skip,$resolved," = ,,, ||
		die "Resolve operation not in progress, we are not resuming."

	# Start afresh.
	mkdir -p "$dotest" || exit

	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 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
fi
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 '
			s/>.*/>/
			s/^/Signed-off-by: /'
		`
else
	SIGNOFF=
fi

last=`cat "$dotest/last"`
this=`cat "$dotest/next"`
if test "$skip" = t
then
	if test -d "$GIT_DIR/rr-cache"
	then
		git-rerere clear
	fi
	this=`expr "$this" + 1`
	resume=
fi

if test "$this" -gt "$last"
then
	echo Nothing to do.
	rm -fr "$dotest"
	exit
fi

while test "$this" -le "$last"
do
	msgnum=`printf "%0${prec}d" $this`
	next=`expr "$this" + 1`
	test -f "$dotest/$msgnum" || {
		resume=
		go_next
		continue
	}

	# 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")"

	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' \
		    "$dotest/msg-clean" |
		    tail -n 1
		`
		ADD_SIGNOFF=`
		    test "$LAST_SIGNED_OFF_BY" = "$SIGNOFF" || {
		    test '' = "$LAST_SIGNED_OFF_BY" && echo
		    echo "$SIGNOFF"
		}`
	    else
		ADD_SIGNOFF=
	    fi
	    {
		echo "$SUBJECT"
		if test -s "$dotest/msg-clean"
		then
			echo
			cat "$dotest/msg-clean"
		fi
		if test '' != "$ADD_SIGNOFF"
		then
			echo "$ADD_SIGNOFF"
		fi
	    } >"$dotest/final-commit"
	    ;;
	*)
		case "$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
		echo "Commit Body is:"
		echo "--------------------------"
		cat "$dotest/final-commit"
		echo "--------------------------"
		printf "Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all "
		read reply
		case "$reply" in
		[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
	    action=yes
	fi

	if test $action = skip
	then
		go_next
		continue
	fi

	if test -x "$GIT_DIR"/hooks/applypatch-msg
	then
		"$GIT_DIR"/hooks/applypatch-msg "$dotest/final-commit" ||
		stop_here $this
	fi

	echo
	echo "Applying '$SUBJECT'"
	echo

	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 to use 'git add'?"
			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 to use 'git add'?"
			stop_here_user_resolve $this
		fi
		apply_status=0
		if test -d "$GIT_DIR/rr-cache"
		then
			git rerere
		fi
		;;
	esac

	if test $apply_status = 1 && test "$threeway" = t
	then
		if (fall_back_3way)
		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
		    # clear apply_status -- we have successfully merged.
		    apply_status=0
		fi
	fi
	if test $apply_status != 0
	then
		echo Patch failed at $msgnum.
		stop_here_user_resolve $this
	fi

	if test -x "$GIT_DIR"/hooks/pre-applypatch
	then
		"$GIT_DIR"/hooks/pre-applypatch || stop_here $this
	fi

	tree=$(git-write-tree) &&
	echo Wrote tree $tree &&
	parent=$(git-rev-parse --verify HEAD) &&
	commit=$(git-commit-tree $tree -p $parent <"$dotest/final-commit") &&
	echo Committed: $commit &&
	git-update-ref -m "$GIT_REFLOG_ACTION: $SUBJECT" HEAD $commit $parent ||
	stop_here $this

	if test -x "$GIT_DIR"/hooks/post-applypatch
	then
		"$GIT_DIR"/hooks/post-applypatch
	fi

	go_next
done

rm -fr "$dotest"
Commit	Line	Data
d1c5f2a4 JH	1	#!/bin/sh
d1c5f2a4 JH	2	#
d64e6b04	3	# Copyright (c) 2005, 2006 Junio C Hamano
d1c5f2a4	4
8273c79a JH	5	USAGE='[--signoff] [--dotest=<dir>] [--utf8] [--binary] [--3way]
8273c79a JH	6	[--interactive] [--whitespace=<option>] <mbox>...
cf1fe88c FK	7	or, when resuming [--skip \| --resolved]'
cf1fe88c FK	8	. git-sh-setup
f9474132	9	set_reflog_action am
d1c5f2a4	10
d64e6b04 JH	11	git var GIT_COMMITTER_IDENT >/dev/null \|\| exit
d64e6b04 JH	12
d1c5f2a4 JH	13	stop_here () {
	14	echo "$1" >"$dotest/next"
	15	exit 1
	16	}
	17
ced9456a	18	stop_here_user_resolve () {
cc120056 SE	19	if [ -n "$resolvemsg" ]; then
	20	echo "$resolvemsg"
	21	stop_here $1
	22	fi
ced9456a RS	23	cmdline=$(basename $0)
	24	if test '' != "$interactive"
	25	then
	26	cmdline="$cmdline -i"
	27	fi
	28	if test '' != "$threeway"
	29	then
	30	cmdline="$cmdline -3"
	31	fi
	32	if test '.dotest' != "$dotest"
	33	then
	34	cmdline="$cmdline -d=$dotest"
	35	fi
	36	echo "When you have resolved this problem run \"$cmdline --resolved\"."
	37	echo "If you would prefer to skip this patch, instead run \"$cmdline --skip\"."
	38
	39	stop_here $1
	40	}
	41
d1c5f2a4 JH	42	go_next () {
	43	rm -f "$dotest/$msgnum" "$dotest/msg" "$dotest/msg-clean" \
	44	"$dotest/patch" "$dotest/info"
	45	echo "$next" >"$dotest/next"
	46	this=$next
	47	}
	48
fd7bcfb5 JH	49	cannot_fallback () {
	50	echo "$1"
	51	echo "Cannot fall back to three-way merge."
	52	exit 1
	53	}
	54
d1c5f2a4 JH	55	fall_back_3way () {
	56	O_OBJECT=`cd "$GIT_OBJECT_DIRECTORY" && pwd`
	57
	58	rm -fr "$dotest"/patch-merge-*
	59	mkdir "$dotest/patch-merge-tmp-dir"
	60
	61	# First see if the patch records the index info that we can use.
fd7bcfb5 JH	62	git-apply -z --index-info "$dotest/patch" \
	63	>"$dotest/patch-merge-index-info" &&
	64	GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
	65	git-update-index -z --index-info <"$dotest/patch-merge-index-info" &&
	66	GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
	67	git-write-tree >"$dotest/patch-merge-base+" \|\|
	68	cannot_fallback "Patch does not record usable index information."
	69
	70	echo Using index info to reconstruct a base tree...
	71	if GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
b7627278	72	git-apply $binary --cached <"$dotest/patch"
d1c5f2a4	73	then
d1c5f2a4 JH	74	mv "$dotest/patch-merge-base+" "$dotest/patch-merge-base"
d1c5f2a4 JH	75	mv "$dotest/patch-merge-tmp-index" "$dotest/patch-merge-index"
fd7bcfb5 JH	76	else
	77	cannot_fallback "Did you hand edit your patch?
	78	It does not apply to blobs recorded in its index."
d1c5f2a4 JH	79	fi
	80
	81	test -f "$dotest/patch-merge-index" &&
	82	his_tree=$(GIT_INDEX_FILE="$dotest/patch-merge-index" git-write-tree) &&
	83	orig_tree=$(cat "$dotest/patch-merge-base") &&
	84	rm -fr "$dotest"/patch-merge-* \|\| exit 1
	85
	86	echo Falling back to patching base and 3-way merge...
	87
	88	# This is not so wrong. Depending on which base we picked,
	89	# orig_tree may be wildly different from ours, but his_tree
	90	# has the same set of wildly different changes in parts the
82e5a82f	91	# patch did not touch, so resolve ends up canceling them,
d1c5f2a4 JH	92	# saying that we reverted all those changes.
	93
	94	git-merge-resolve $orig_tree -- HEAD $his_tree \|\| {
1536dd9c JH	95	if test -d "$GIT_DIR/rr-cache"
	96	then
	97	git-rerere
	98	fi
d1c5f2a4 JH	99	echo Failed to merge in the changes.
	100	exit 1
	101	}
	102	}
	103
	104	prec=4
cc120056	105	dotest=.dotest sign= utf8= keep= skip= interactive= resolved= binary= ws= resolvemsg=
d1c5f2a4 JH	106
	107	while case "$#" in 0) break;; esac
	108	do
	109	case "$1" in
	110	-d=\|--d=\|--do=\|--dot=\|--dote=\|--dotes=\|--dotest=*)
8096fae7	111	dotest=`expr "z$1" : 'z-[^=]=\(.\)'`; shift ;;
d1c5f2a4 JH	112	-d\|--d\|--do\|--dot\|--dote\|--dotes\|--dotest)
	113	case "$#" in 1) usage ;; esac; shift
	114	dotest="$1"; shift;;
	115
	116	-i\|--i\|--in\|--int\|--inte\|--inter\|--intera\|--interac\|--interact\|\
	117	--interacti\|--interactiv\|--interactive)
	118	interactive=t; shift ;;
	119
087b6742 JH	120	-b\|--b\|--bi\|--bin\|--bina\|--binar\|--binary)
	121	binary=t; shift ;;
	122
d1c5f2a4 JH	123	-3\|--3\|--3w\|--3wa\|--3way)
	124	threeway=t; shift ;;
	125	-s\|--s\|--si\|--sig\|--sign\|--signo\|--signof\|--signoff)
	126	sign=t; shift ;;
	127	-u\|--u\|--ut\|--utf\|--utf8)
	128	utf8=t; shift ;;
	129	-k\|--k\|--ke\|--kee\|--keep)
	130	keep=t; shift ;;
	131
0c15cc92 JH	132	-r\|--r\|--re\|--res\|--reso\|--resol\|--resolv\|--resolve\|--resolved)
	133	resolved=t; shift ;;
	134
d1c5f2a4 JH	135	--sk\|--ski\|--skip)
	136	skip=t; shift ;;
	137
8c31cb82 JH	138	--whitespace=*)
	139	ws=$1; shift ;;
	140
cc120056 SE	141	--resolvemsg=*)
	142	resolvemsg=$(echo "$1" \| sed -e "s/^--resolvemsg=//"); shift ;;
	143
d1c5f2a4 JH	144	--)
	145	shift; break ;;
	146	-*)
	147	usage ;;
	148	*)
	149	break ;;
	150	esac
	151	done
	152
0c15cc92 JH	153	# If the dotest directory exists, but we have finished applying all the
0c15cc92 JH	154	# patches in them, clear it out.
d1c5f2a4 JH	155	if test -d "$dotest" &&
	156	last=$(cat "$dotest/last") &&
	157	next=$(cat "$dotest/next") &&
	158	test $# != 0 &&
	159	test "$next" -gt "$last"
	160	then
	161	rm -fr "$dotest"
	162	fi
	163
	164	if test -d "$dotest"
	165	then
c95b1389 JH	166	case "$#,$skip$resolved" in
	167	0,t)
	168	# Explicit resume command and we do not have file, so
	169	# we are happy.
	170	: ;;
	171	0,)
	172	# No file input but without resume parameters; catch
	173	# user error to feed us a patch from standard input
	174	# when there is already .dotest. This is somewhat
	175	# unreliable -- stdin could be /dev/null for example
	176	# and the caller did not intend to feed us a patch but
	177	# wanted to continue unattended.
	178	tty -s
	179	;;
	180	*)
	181	false
	182	;;
	183	esac \|\|
	184	die "previous dotest directory $dotest still exists but mbox given."
271440e3	185	resume=yes
d1c5f2a4	186	else
0c15cc92 JH	187	# Make sure we are not given --skip nor --resolved
0c15cc92 JH	188	test ",$skip,$resolved," = ,,, \|\|
cc120056	189	die "Resolve operation not in progress, we are not resuming."
d1c5f2a4 JH	190
	191	# Start afresh.
	192	mkdir -p "$dotest" \|\| exit
	193
b3f041fb	194	git-mailsplit -d"$prec" -o"$dotest" -b -- "$@" > "$dotest/last" \|\| {
d1c5f2a4 JH	195	rm -fr "$dotest"
	196	exit 1
	197	}
	198
8c31cb82 JH	199	# -b, -s, -u, -k and --whitespace flags are kept for the
8c31cb82 JH	200	# resuming session after a patch failure.
0c15cc92	201	# -3 and -i can and must be given when resuming.
087b6742	202	echo "$binary" >"$dotest/binary"
8c31cb82	203	echo " $ws" >"$dotest/whitespace"
d1c5f2a4 JH	204	echo "$sign" >"$dotest/sign"
	205	echo "$utf8" >"$dotest/utf8"
	206	echo "$keep" >"$dotest/keep"
d1c5f2a4 JH	207	echo 1 >"$dotest/next"
	208	fi
	209
0c15cc92 JH	210	case "$resolved" in
	211	'')
	212	files=$(git-diff-index --cached --name-only HEAD) \|\| exit
	213	if [ "$files" ]; then
	214	echo "Dirty index: cannot apply patches (dirty: $files)" >&2
	215	exit 1
	216	fi
	217	esac
	218
087b6742 JH	219	if test "$(cat "$dotest/binary")" = t
	220	then
	221	binary=--allow-binary-replacement
	222	fi
d1c5f2a4 JH	223	if test "$(cat "$dotest/utf8")" = t
	224	then
	225	utf8=-u
	226	fi
	227	if test "$(cat "$dotest/keep")" = t
	228	then
	229	keep=-k
	230	fi
8c31cb82	231	ws=`cat "$dotest/whitespace"`
d1c5f2a4 JH	232	if test "$(cat "$dotest/sign")" = t
	233	then
	234	SIGNOFF=`git-var GIT_COMMITTER_IDENT \| sed -e '
	235	s/>.*/>/
	236	s/^/Signed-off-by: /'
	237	`
	238	else
	239	SIGNOFF=
	240	fi
d1c5f2a4 JH	241
	242	last=`cat "$dotest/last"`
	243	this=`cat "$dotest/next"`
	244	if test "$skip" = t
	245	then
f131dd49 EW	246	if test -d "$GIT_DIR/rr-cache"
	247	then
	248	git-rerere clear
	249	fi
d1c5f2a4	250	this=`expr "$this" + 1`
69224716	251	resume=
d1c5f2a4 JH	252	fi
	253
	254	if test "$this" -gt "$last"
	255	then
	256	echo Nothing to do.
	257	rm -fr "$dotest"
	258	exit
	259	fi
	260
	261	while test "$this" -le "$last"
	262	do
	263	msgnum=`printf "%0${prec}d" $this`
	264	next=`expr "$this" + 1`
	265	test -f "$dotest/$msgnum" \|\| {
69224716	266	resume=
d1c5f2a4 JH	267	go_next
	268	continue
	269	}
0c15cc92 JH	270
	271	# If we are not resuming, parse and extract the patch information
	272	# into separate files:
	273	# - info records the authorship and title
	274	# - msg is the rest of commit log message
	275	# - patch is the patch body.
	276	#
	277	# When we are resuming, these files are either already prepared
	278	# by the user, or the user can tell us to do so by --resolved flag.
271440e3 JH	279	case "$resume" in
	280	'')
	281	git-mailinfo $keep $utf8 "$dotest/msg" "$dotest/patch" \
	282	<"$dotest/$msgnum" >"$dotest/info" \|\|
	283	stop_here $this
	284	git-stripspace < "$dotest/msg" > "$dotest/msg-clean"
	285	;;
	286	esac
d1c5f2a4 JH	287
	288	GIT_AUTHOR_NAME="$(sed -n '/^Author/ s/Author: //p' "$dotest/info")"
	289	GIT_AUTHOR_EMAIL="$(sed -n '/^Email/ s/Email: //p' "$dotest/info")"
	290	GIT_AUTHOR_DATE="$(sed -n '/^Date/ s/Date: //p' "$dotest/info")"
e0e3ba20 JH	291
	292	if test -z "$GIT_AUTHOR_EMAIL"
	293	then
	294	echo "Patch does not have a valid e-mail address."
	295	stop_here $this
	296	fi
	297
2c674191	298	export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE
d1c5f2a4	299
4bfb6b62	300	SUBJECT="$(sed -n '/^Subject/ s/Subject: //p' "$dotest/info")"
d1c5f2a4	301	case "$keep_subject" in -k) SUBJECT="[PATCH] $SUBJECT" ;; esac
4bfb6b62 JH	302
	303	case "$resume" in
	304	'')
	305	if test '' != "$SIGNOFF"
	306	then
d1c5f2a4	307	LAST_SIGNED_OFF_BY=`
4bfb6b62 JH	308	sed -ne '/^Signed-off-by: /p' \
	309	"$dotest/msg-clean" \|
	310	tail -n 1
d1c5f2a4	311	`
4bfb6b62 JH	312	ADD_SIGNOFF=`
4bfb6b62 JH	313	test "$LAST_SIGNED_OFF_BY" = "$SIGNOFF" \|\| {
d1c5f2a4 JH	314	test '' = "$LAST_SIGNED_OFF_BY" && echo
d1c5f2a4 JH	315	echo "$SIGNOFF"
4bfb6b62 JH	316	}`
4bfb6b62 JH	317	else
d1c5f2a4	318	ADD_SIGNOFF=
4bfb6b62 JH	319	fi
4bfb6b62 JH	320	{
d1c5f2a4 JH	321	echo "$SUBJECT"
	322	if test -s "$dotest/msg-clean"
	323	then
	324	echo
	325	cat "$dotest/msg-clean"
	326	fi
	327	if test '' != "$ADD_SIGNOFF"
	328	then
	329	echo "$ADD_SIGNOFF"
	330	fi
4bfb6b62 JH	331	} >"$dotest/final-commit"
4bfb6b62 JH	332	;;
0c15cc92	333	*)
6d28644d	334	case "$resolved$interactive" in
0c15cc92 JH	335	tt)
	336	# This is used only for interactive view option.
	337	git-diff-index -p --cached HEAD >"$dotest/patch"
	338	;;
	339	esac
4bfb6b62	340	esac
d1c5f2a4	341
4bfb6b62	342	resume=
d1c5f2a4 JH	343	if test "$interactive" = t
d1c5f2a4 JH	344	then
a1451104 JH	345	test -t 0 \|\|
a1451104 JH	346	die "cannot be interactive without stdin connected to a terminal."
d1c5f2a4 JH	347	action=again
	348	while test "$action" = again
	349	do
	350	echo "Commit Body is:"
	351	echo "--------------------------"
	352	cat "$dotest/final-commit"
	353	echo "--------------------------"
9754563c	354	printf "Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all "
d1c5f2a4 JH	355	read reply
d1c5f2a4 JH	356	case "$reply" in
f89ad67f JH	357	[yY]*) action=yes ;;
	358	[aA]*) action=yes interactive= ;;
	359	[nN]*) action=skip ;;
	360	[eE]*) "${VISUAL:-${EDITOR:-vi}}" "$dotest/final-commit"
d1c5f2a4	361	action=again ;;
f89ad67f JH	362	[vV]*) action=again
	363	LESS=-S ${PAGER:-less} "$dotest/patch" ;;
	364	*) action=again ;;
d1c5f2a4 JH	365	esac
	366	done
	367	else
	368	action=yes
	369	fi
	370
	371	if test $action = skip
	372	then
	373	go_next
	374	continue
	375	fi
	376
	377	if test -x "$GIT_DIR"/hooks/applypatch-msg
	378	then
	379	"$GIT_DIR"/hooks/applypatch-msg "$dotest/final-commit" \|\|
	380	stop_here $this
	381	fi
	382
	383	echo
	384	echo "Applying '$SUBJECT'"
	385	echo
	386
0c15cc92 JH	387	case "$resolved" in
0c15cc92 JH	388	'')
8c31cb82	389	git-apply $binary --index $ws "$dotest/patch"
0c15cc92 JH	390	apply_status=$?
	391	;;
	392	t)
	393	# Resolved means the user did all the hard work, and
	394	# we do not have to do any patch application. Just
	395	# trust what the user has in the index file and the
	396	# working tree.
	397	resolved=
6d28644d JH	398	changed="$(git-diff-index --cached --name-only HEAD)"
	399	if test '' = "$changed"
	400	then
64646d11	401	echo "No changes - did you forget to use 'git add'?"
ced9456a	402	stop_here_user_resolve $this
6d28644d	403	fi
c1d1128b JH	404	unmerged=$(git-ls-files -u)
	405	if test -n "$unmerged"
	406	then
	407	echo "You still have unmerged paths in your index"
64646d11	408	echo "did you forget to use 'git add'?"
ced9456a	409	stop_here_user_resolve $this
c1d1128b	410	fi
0c15cc92	411	apply_status=0
f131dd49 EW	412	if test -d "$GIT_DIR/rr-cache"
	413	then
	414	git rerere
	415	fi
0c15cc92 JH	416	;;
	417	esac
	418
d1c5f2a4 JH	419	if test $apply_status = 1 && test "$threeway" = t
d1c5f2a4 JH	420	then
73319032	421	if (fall_back_3way)
d1c5f2a4	422	then
73319032 JH	423	# Applying the patch to an earlier tree and merging the
73319032 JH	424	# result may have produced the same tree as ours.
6d28644d	425	changed="$(git-diff-index --cached --name-only HEAD)"
73319032 JH	426	if test '' = "$changed"
	427	then
	428	echo No changes -- Patch already applied.
	429	go_next
	430	continue
	431	fi
	432	# clear apply_status -- we have successfully merged.
	433	apply_status=0
d1c5f2a4 JH	434	fi
	435	fi
	436	if test $apply_status != 0
	437	then
	438	echo Patch failed at $msgnum.
ced9456a	439	stop_here_user_resolve $this
d1c5f2a4 JH	440	fi
	441
	442	if test -x "$GIT_DIR"/hooks/pre-applypatch
	443	then
	444	"$GIT_DIR"/hooks/pre-applypatch \|\| stop_here $this
	445	fi
	446
	447	tree=$(git-write-tree) &&
	448	echo Wrote tree $tree &&
	449	parent=$(git-rev-parse --verify HEAD) &&
	450	commit=$(git-commit-tree $tree -p $parent <"$dotest/final-commit") &&
	451	echo Committed: $commit &&
f9474132	452	git-update-ref -m "$GIT_REFLOG_ACTION: $SUBJECT" HEAD $commit $parent \|\|
d1c5f2a4 JH	453	stop_here $this
	454
	455	if test -x "$GIT_DIR"/hooks/post-applypatch
	456	then
	457	"$GIT_DIR"/hooks/post-applypatch
	458	fi
	459
	460	go_next
	461	done
	462
	463	rm -fr "$dotest"