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

#!/bin/sh
#
# Copyright (c) 2005, 2006 Junio C Hamano

USAGE='[--signoff] [--dotest=<dir>] [--utf8] [--binary] [--3way] <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
}

go_next () {
	rm -f "$dotest/$msgnum" "$dotest/msg" "$dotest/msg-clean" \
		"$dotest/patch" "$dotest/info"
	echo "$next" >"$dotest/next"
	this=$next
}

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.
    if git-apply -z --index-info "$dotest/patch" \
	>"$dotest/patch-merge-index-info" 2>/dev/null &&
	GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
	git-update-index -z --index-info <"$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.
	(
	    cd "$dotest/patch-merge-tmp-dir" &&
	    GIT_INDEX_FILE="../patch-merge-tmp-index" \
	    GIT_OBJECT_DIRECTORY="$O_OBJECT" \
	    git-apply $binary --index <../patch
        )
    then
	echo Using index info to reconstruct a base tree...
	mv "$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 "$dotest/patch-merge-index" &&
    his_tree=$(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 cancelling 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=

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

	--)
	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 "$dotest"
then
	test ",$#," = ",0," ||
	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 "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 "$skip" = t
then
	this=`expr "$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 update-index?"
			stop_here $this
		fi
		apply_status=0
		;;
	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 $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 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
cf1fe88c FK	5	USAGE='[--signoff] [--dotest=<dir>] [--utf8] [--binary] [--3way] <mbox>
	6	or, when resuming [--skip \| --resolved]'
	7	. git-sh-setup
d1c5f2a4	8
d64e6b04 JH	9	git var GIT_COMMITTER_IDENT >/dev/null \|\| exit
d64e6b04 JH	10
d1c5f2a4 JH	11	stop_here () {
	12	echo "$1" >"$dotest/next"
	13	exit 1
	14	}
	15
	16	go_next () {
	17	rm -f "$dotest/$msgnum" "$dotest/msg" "$dotest/msg-clean" \
	18	"$dotest/patch" "$dotest/info"
	19	echo "$next" >"$dotest/next"
	20	this=$next
	21	}
	22
	23	fall_back_3way () {
	24	O_OBJECT=`cd "$GIT_OBJECT_DIRECTORY" && pwd`
	25
	26	rm -fr "$dotest"/patch-merge-*
	27	mkdir "$dotest/patch-merge-tmp-dir"
	28
	29	# First see if the patch records the index info that we can use.
22943f1a	30	if git-apply -z --index-info "$dotest/patch" \
d1c5f2a4 JH	31	>"$dotest/patch-merge-index-info" 2>/dev/null &&
d1c5f2a4 JH	32	GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
22943f1a	33	git-update-index -z --index-info <"$dotest/patch-merge-index-info" &&
d1c5f2a4 JH	34	GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
	35	git-write-tree >"$dotest/patch-merge-base+" &&
	36	# index has the base tree now.
	37	(
	38	cd "$dotest/patch-merge-tmp-dir" &&
	39	GIT_INDEX_FILE="../patch-merge-tmp-index" \
	40	GIT_OBJECT_DIRECTORY="$O_OBJECT" \
087b6742	41	git-apply $binary --index <../patch
d1c5f2a4 JH	42	)
	43	then
	44	echo Using index info to reconstruct a base tree...
	45	mv "$dotest/patch-merge-base+" "$dotest/patch-merge-base"
	46	mv "$dotest/patch-merge-tmp-index" "$dotest/patch-merge-index"
	47	else
	48	# Otherwise, try nearby trees that can be used to apply the
	49	# patch.
	50	(
	51	N=10
	52
	53	# Hoping the patch is against our recent commits...
	54	git-rev-list --max-count=$N HEAD
	55
	56	# or hoping the patch is against known tags...
	57	git-ls-remote --tags .
	58	) \|
	59	while read base junk
	60	do
	61	# See if we have it as a tree...
	62	git-cat-file tree "$base" >/dev/null 2>&1 \|\| continue
	63
	64	rm -fr "$dotest"/patch-merge-* &&
	65	mkdir "$dotest/patch-merge-tmp-dir" \|\| break
	66	(
	67	cd "$dotest/patch-merge-tmp-dir" &&
	68	GIT_INDEX_FILE=../patch-merge-tmp-index &&
	69	GIT_OBJECT_DIRECTORY="$O_OBJECT" &&
	70	export GIT_INDEX_FILE GIT_OBJECT_DIRECTORY &&
	71	git-read-tree "$base" &&
087b6742	72	git-apply $binary --index &&
d1c5f2a4 JH	73	mv ../patch-merge-tmp-index ../patch-merge-index &&
	74	echo "$base" >../patch-merge-base
	75	) <"$dotest/patch" 2>/dev/null && break
	76	done
	77	fi
	78
	79	test -f "$dotest/patch-merge-index" &&
	80	his_tree=$(GIT_INDEX_FILE="$dotest/patch-merge-index" git-write-tree) &&
	81	orig_tree=$(cat "$dotest/patch-merge-base") &&
	82	rm -fr "$dotest"/patch-merge-* \|\| exit 1
	83
	84	echo Falling back to patching base and 3-way merge...
	85
	86	# This is not so wrong. Depending on which base we picked,
	87	# orig_tree may be wildly different from ours, but his_tree
	88	# has the same set of wildly different changes in parts the
	89	# patch did not touch, so resolve ends up cancelling them,
	90	# saying that we reverted all those changes.
	91
	92	git-merge-resolve $orig_tree -- HEAD $his_tree \|\| {
1536dd9c JH	93	if test -d "$GIT_DIR/rr-cache"
	94	then
	95	git-rerere
	96	fi
d1c5f2a4 JH	97	echo Failed to merge in the changes.
	98	exit 1
	99	}
	100	}
	101
	102	prec=4
8c31cb82	103	dotest=.dotest sign= utf8= keep= skip= interactive= resolved= binary= ws=
d1c5f2a4 JH	104
	105	while case "$#" in 0) break;; esac
	106	do
	107	case "$1" in
	108	-d=\|--d=\|--do=\|--dot=\|--dote=\|--dotes=\|--dotest=*)
	109	dotest=`expr "$1" : '-[^=]=\(.\)'`; shift ;;
	110	-d\|--d\|--do\|--dot\|--dote\|--dotes\|--dotest)
	111	case "$#" in 1) usage ;; esac; shift
	112	dotest="$1"; shift;;
	113
	114	-i\|--i\|--in\|--int\|--inte\|--inter\|--intera\|--interac\|--interact\|\
	115	--interacti\|--interactiv\|--interactive)
	116	interactive=t; shift ;;
	117
087b6742 JH	118	-b\|--b\|--bi\|--bin\|--bina\|--binar\|--binary)
	119	binary=t; shift ;;
	120
d1c5f2a4 JH	121	-3\|--3\|--3w\|--3wa\|--3way)
	122	threeway=t; shift ;;
	123	-s\|--s\|--si\|--sig\|--sign\|--signo\|--signof\|--signoff)
	124	sign=t; shift ;;
	125	-u\|--u\|--ut\|--utf\|--utf8)
	126	utf8=t; shift ;;
	127	-k\|--k\|--ke\|--kee\|--keep)
	128	keep=t; shift ;;
	129
0c15cc92 JH	130	-r\|--r\|--re\|--res\|--reso\|--resol\|--resolv\|--resolve\|--resolved)
	131	resolved=t; shift ;;
	132
d1c5f2a4 JH	133	--sk\|--ski\|--skip)
	134	skip=t; shift ;;
	135
8c31cb82 JH	136	--whitespace=*)
	137	ws=$1; shift ;;
	138
d1c5f2a4 JH	139	--)
	140	shift; break ;;
	141	-*)
	142	usage ;;
	143	*)
	144	break ;;
	145	esac
	146	done
	147
0c15cc92 JH	148	# If the dotest directory exists, but we have finished applying all the
0c15cc92 JH	149	# patches in them, clear it out.
d1c5f2a4 JH	150	if test -d "$dotest" &&
	151	last=$(cat "$dotest/last") &&
	152	next=$(cat "$dotest/next") &&
	153	test $# != 0 &&
	154	test "$next" -gt "$last"
	155	then
	156	rm -fr "$dotest"
	157	fi
	158
	159	if test -d "$dotest"
	160	then
	161	test ",$#," = ",0," \|\|
	162	die "previous dotest directory $dotest still exists but mbox given."
271440e3	163	resume=yes
d1c5f2a4	164	else
0c15cc92 JH	165	# Make sure we are not given --skip nor --resolved
	166	test ",$skip,$resolved," = ,,, \|\|
	167	die "we are not resuming."
d1c5f2a4 JH	168
	169	# Start afresh.
	170	mkdir -p "$dotest" \|\| exit
	171
b3f041fb	172	git-mailsplit -d"$prec" -o"$dotest" -b -- "$@" > "$dotest/last" \|\| {
d1c5f2a4 JH	173	rm -fr "$dotest"
	174	exit 1
	175	}
	176
8c31cb82 JH	177	# -b, -s, -u, -k and --whitespace flags are kept for the
8c31cb82 JH	178	# resuming session after a patch failure.
0c15cc92	179	# -3 and -i can and must be given when resuming.
087b6742	180	echo "$binary" >"$dotest/binary"
8c31cb82	181	echo " $ws" >"$dotest/whitespace"
d1c5f2a4 JH	182	echo "$sign" >"$dotest/sign"
	183	echo "$utf8" >"$dotest/utf8"
	184	echo "$keep" >"$dotest/keep"
d1c5f2a4 JH	185	echo 1 >"$dotest/next"
	186	fi
	187
0c15cc92 JH	188	case "$resolved" in
	189	'')
	190	files=$(git-diff-index --cached --name-only HEAD) \|\| exit
	191	if [ "$files" ]; then
	192	echo "Dirty index: cannot apply patches (dirty: $files)" >&2
	193	exit 1
	194	fi
	195	esac
	196
087b6742 JH	197	if test "$(cat "$dotest/binary")" = t
	198	then
	199	binary=--allow-binary-replacement
	200	fi
d1c5f2a4 JH	201	if test "$(cat "$dotest/utf8")" = t
	202	then
	203	utf8=-u
	204	fi
	205	if test "$(cat "$dotest/keep")" = t
	206	then
	207	keep=-k
	208	fi
8c31cb82	209	ws=`cat "$dotest/whitespace"`
d1c5f2a4 JH	210	if test "$(cat "$dotest/sign")" = t
	211	then
	212	SIGNOFF=`git-var GIT_COMMITTER_IDENT \| sed -e '
	213	s/>.*/>/
	214	s/^/Signed-off-by: /'
	215	`
	216	else
	217	SIGNOFF=
	218	fi
d1c5f2a4 JH	219
	220	last=`cat "$dotest/last"`
	221	this=`cat "$dotest/next"`
	222	if test "$skip" = t
	223	then
	224	this=`expr "$this" + 1`
69224716	225	resume=
d1c5f2a4 JH	226	fi
	227
	228	if test "$this" -gt "$last"
	229	then
	230	echo Nothing to do.
	231	rm -fr "$dotest"
	232	exit
	233	fi
	234
	235	while test "$this" -le "$last"
	236	do
	237	msgnum=`printf "%0${prec}d" $this`
	238	next=`expr "$this" + 1`
	239	test -f "$dotest/$msgnum" \|\| {
69224716	240	resume=
d1c5f2a4 JH	241	go_next
	242	continue
	243	}
0c15cc92 JH	244
	245	# If we are not resuming, parse and extract the patch information
	246	# into separate files:
	247	# - info records the authorship and title
	248	# - msg is the rest of commit log message
	249	# - patch is the patch body.
	250	#
	251	# When we are resuming, these files are either already prepared
	252	# by the user, or the user can tell us to do so by --resolved flag.
271440e3 JH	253	case "$resume" in
	254	'')
	255	git-mailinfo $keep $utf8 "$dotest/msg" "$dotest/patch" \
	256	<"$dotest/$msgnum" >"$dotest/info" \|\|
	257	stop_here $this
	258	git-stripspace < "$dotest/msg" > "$dotest/msg-clean"
	259	;;
	260	esac
d1c5f2a4 JH	261
	262	GIT_AUTHOR_NAME="$(sed -n '/^Author/ s/Author: //p' "$dotest/info")"
	263	GIT_AUTHOR_EMAIL="$(sed -n '/^Email/ s/Email: //p' "$dotest/info")"
	264	GIT_AUTHOR_DATE="$(sed -n '/^Date/ s/Date: //p' "$dotest/info")"
e0e3ba20 JH	265
	266	if test -z "$GIT_AUTHOR_EMAIL"
	267	then
	268	echo "Patch does not have a valid e-mail address."
	269	stop_here $this
	270	fi
	271
2c674191	272	export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE
d1c5f2a4	273
4bfb6b62	274	SUBJECT="$(sed -n '/^Subject/ s/Subject: //p' "$dotest/info")"
d1c5f2a4	275	case "$keep_subject" in -k) SUBJECT="[PATCH] $SUBJECT" ;; esac
4bfb6b62 JH	276
	277	case "$resume" in
	278	'')
	279	if test '' != "$SIGNOFF"
	280	then
d1c5f2a4	281	LAST_SIGNED_OFF_BY=`
4bfb6b62 JH	282	sed -ne '/^Signed-off-by: /p' \
	283	"$dotest/msg-clean" \|
	284	tail -n 1
d1c5f2a4	285	`
4bfb6b62 JH	286	ADD_SIGNOFF=`
4bfb6b62 JH	287	test "$LAST_SIGNED_OFF_BY" = "$SIGNOFF" \|\| {
d1c5f2a4 JH	288	test '' = "$LAST_SIGNED_OFF_BY" && echo
d1c5f2a4 JH	289	echo "$SIGNOFF"
4bfb6b62 JH	290	}`
4bfb6b62 JH	291	else
d1c5f2a4	292	ADD_SIGNOFF=
4bfb6b62 JH	293	fi
4bfb6b62 JH	294	{
d1c5f2a4 JH	295	echo "$SUBJECT"
	296	if test -s "$dotest/msg-clean"
	297	then
	298	echo
	299	cat "$dotest/msg-clean"
	300	fi
	301	if test '' != "$ADD_SIGNOFF"
	302	then
	303	echo "$ADD_SIGNOFF"
	304	fi
4bfb6b62 JH	305	} >"$dotest/final-commit"
4bfb6b62 JH	306	;;
0c15cc92	307	*)
6d28644d	308	case "$resolved$interactive" in
0c15cc92 JH	309	tt)
	310	# This is used only for interactive view option.
	311	git-diff-index -p --cached HEAD >"$dotest/patch"
	312	;;
	313	esac
4bfb6b62	314	esac
d1c5f2a4	315
4bfb6b62	316	resume=
d1c5f2a4 JH	317	if test "$interactive" = t
d1c5f2a4 JH	318	then
a1451104 JH	319	test -t 0 \|\|
a1451104 JH	320	die "cannot be interactive without stdin connected to a terminal."
d1c5f2a4 JH	321	action=again
	322	while test "$action" = again
	323	do
	324	echo "Commit Body is:"
	325	echo "--------------------------"
	326	cat "$dotest/final-commit"
	327	echo "--------------------------"
9754563c	328	printf "Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all "
d1c5f2a4 JH	329	read reply
d1c5f2a4 JH	330	case "$reply" in
f89ad67f JH	331	[yY]*) action=yes ;;
	332	[aA]*) action=yes interactive= ;;
	333	[nN]*) action=skip ;;
	334	[eE]*) "${VISUAL:-${EDITOR:-vi}}" "$dotest/final-commit"
d1c5f2a4	335	action=again ;;
f89ad67f JH	336	[vV]*) action=again
	337	LESS=-S ${PAGER:-less} "$dotest/patch" ;;
	338	*) action=again ;;
d1c5f2a4 JH	339	esac
	340	done
	341	else
	342	action=yes
	343	fi
	344
	345	if test $action = skip
	346	then
	347	go_next
	348	continue
	349	fi
	350
	351	if test -x "$GIT_DIR"/hooks/applypatch-msg
	352	then
	353	"$GIT_DIR"/hooks/applypatch-msg "$dotest/final-commit" \|\|
	354	stop_here $this
	355	fi
	356
	357	echo
	358	echo "Applying '$SUBJECT'"
	359	echo
	360
0c15cc92 JH	361	case "$resolved" in
0c15cc92 JH	362	'')
8c31cb82	363	git-apply $binary --index $ws "$dotest/patch"
0c15cc92 JH	364	apply_status=$?
	365	;;
	366	t)
	367	# Resolved means the user did all the hard work, and
	368	# we do not have to do any patch application. Just
	369	# trust what the user has in the index file and the
	370	# working tree.
	371	resolved=
6d28644d JH	372	changed="$(git-diff-index --cached --name-only HEAD)"
	373	if test '' = "$changed"
	374	then
	375	echo "No changes - did you forget update-index?"
	376	stop_here $this
	377	fi
0c15cc92 JH	378	apply_status=0
	379	;;
	380	esac
	381
d1c5f2a4 JH	382	if test $apply_status = 1 && test "$threeway" = t
d1c5f2a4 JH	383	then
73319032	384	if (fall_back_3way)
d1c5f2a4	385	then
73319032 JH	386	# Applying the patch to an earlier tree and merging the
73319032 JH	387	# result may have produced the same tree as ours.
6d28644d	388	changed="$(git-diff-index --cached --name-only HEAD)"
73319032 JH	389	if test '' = "$changed"
	390	then
	391	echo No changes -- Patch already applied.
	392	go_next
	393	continue
	394	fi
	395	# clear apply_status -- we have successfully merged.
	396	apply_status=0
d1c5f2a4 JH	397	fi
	398	fi
	399	if test $apply_status != 0
	400	then
	401	echo Patch failed at $msgnum.
	402	stop_here $this
	403	fi
	404
	405	if test -x "$GIT_DIR"/hooks/pre-applypatch
	406	then
	407	"$GIT_DIR"/hooks/pre-applypatch \|\| stop_here $this
	408	fi
	409
	410	tree=$(git-write-tree) &&
	411	echo Wrote tree $tree &&
	412	parent=$(git-rev-parse --verify HEAD) &&
	413	commit=$(git-commit-tree $tree -p $parent <"$dotest/final-commit") &&
	414	echo Committed: $commit &&
	415	git-update-ref HEAD $commit $parent \|\|
	416	stop_here $this
	417
	418	if test -x "$GIT_DIR"/hooks/post-applypatch
	419	then
	420	"$GIT_DIR"/hooks/post-applypatch
	421	fi
	422
	423	go_next
	424	done
	425
	426	rm -fr "$dotest"