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

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

USAGE='[--signoff] [--dotest=<dir>] [--utf8 | --no-utf8] [--binary] [--3way]
  [--interactive] [--whitespace=<option>] [-C<n>] [-p<n>] <mbox>...
  or, when resuming [--skip | --resolved]'
. git-sh-setup
set_reflog_action am
require_work_tree

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 recursive ends up canceling them,
    # saying that we reverted all those changes.

    eval GITHEAD_$his_tree='"$SUBJECT"'
    export GITHEAD_$his_tree
    git-merge-recursive $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
    }
    unset GITHEAD_$his_tree
}

prec=4
dotest=.dotest sign= utf8=t keep= skip= interactive= resolved= binary= resolvemsg=
git_apply_opt=

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 ;; # this is now default
	--no-u|--no-ut|--no-utf|--no-utf8)
	utf8=; 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=*|-C*|-p*)
	git_apply_opt="$git_apply_opt $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
else
	utf8=-n
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 $git_apply_opt $binary --index "$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
d84029b6	5	USAGE='[--signoff] [--dotest=<dir>] [--utf8 \| --no-utf8] [--binary] [--3way]
2092a1fe	6	[--interactive] [--whitespace=<option>] [-C<n>] [-p<n>] <mbox>...
cf1fe88c FK	7	or, when resuming [--skip \| --resolved]'
cf1fe88c FK	8	. git-sh-setup
f9474132	9	set_reflog_action am
7eff28a9	10	require_work_tree
d1c5f2a4	11
d64e6b04 JH	12	git var GIT_COMMITTER_IDENT >/dev/null \|\| exit
d64e6b04 JH	13
d1c5f2a4 JH	14	stop_here () {
	15	echo "$1" >"$dotest/next"
	16	exit 1
	17	}
	18
ced9456a	19	stop_here_user_resolve () {
cc120056 SE	20	if [ -n "$resolvemsg" ]; then
	21	echo "$resolvemsg"
	22	stop_here $1
	23	fi
ced9456a RS	24	cmdline=$(basename $0)
	25	if test '' != "$interactive"
	26	then
	27	cmdline="$cmdline -i"
	28	fi
	29	if test '' != "$threeway"
	30	then
	31	cmdline="$cmdline -3"
	32	fi
	33	if test '.dotest' != "$dotest"
	34	then
	35	cmdline="$cmdline -d=$dotest"
	36	fi
	37	echo "When you have resolved this problem run \"$cmdline --resolved\"."
	38	echo "If you would prefer to skip this patch, instead run \"$cmdline --skip\"."
	39
	40	stop_here $1
	41	}
	42
d1c5f2a4 JH	43	go_next () {
	44	rm -f "$dotest/$msgnum" "$dotest/msg" "$dotest/msg-clean" \
	45	"$dotest/patch" "$dotest/info"
	46	echo "$next" >"$dotest/next"
	47	this=$next
	48	}
	49
fd7bcfb5 JH	50	cannot_fallback () {
	51	echo "$1"
	52	echo "Cannot fall back to three-way merge."
	53	exit 1
	54	}
	55
d1c5f2a4 JH	56	fall_back_3way () {
	57	O_OBJECT=`cd "$GIT_OBJECT_DIRECTORY" && pwd`
	58
	59	rm -fr "$dotest"/patch-merge-*
	60	mkdir "$dotest/patch-merge-tmp-dir"
	61
	62	# First see if the patch records the index info that we can use.
fd7bcfb5 JH	63	git-apply -z --index-info "$dotest/patch" \
	64	>"$dotest/patch-merge-index-info" &&
	65	GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
	66	git-update-index -z --index-info <"$dotest/patch-merge-index-info" &&
	67	GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
	68	git-write-tree >"$dotest/patch-merge-base+" \|\|
	69	cannot_fallback "Patch does not record usable index information."
	70
	71	echo Using index info to reconstruct a base tree...
	72	if GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
b7627278	73	git-apply $binary --cached <"$dotest/patch"
d1c5f2a4	74	then
d1c5f2a4 JH	75	mv "$dotest/patch-merge-base+" "$dotest/patch-merge-base"
d1c5f2a4 JH	76	mv "$dotest/patch-merge-tmp-index" "$dotest/patch-merge-index"
fd7bcfb5 JH	77	else
	78	cannot_fallback "Did you hand edit your patch?
	79	It does not apply to blobs recorded in its index."
d1c5f2a4 JH	80	fi
	81
	82	test -f "$dotest/patch-merge-index" &&
	83	his_tree=$(GIT_INDEX_FILE="$dotest/patch-merge-index" git-write-tree) &&
	84	orig_tree=$(cat "$dotest/patch-merge-base") &&
	85	rm -fr "$dotest"/patch-merge-* \|\| exit 1
	86
	87	echo Falling back to patching base and 3-way merge...
	88
	89	# This is not so wrong. Depending on which base we picked,
	90	# orig_tree may be wildly different from ours, but his_tree
	91	# has the same set of wildly different changes in parts the
579c9bb1	92	# patch did not touch, so recursive ends up canceling them,
d1c5f2a4 JH	93	# saying that we reverted all those changes.
d1c5f2a4 JH	94
579c9bb1 SP	95	eval GITHEAD_$his_tree='"$SUBJECT"'
	96	export GITHEAD_$his_tree
	97	git-merge-recursive $orig_tree -- HEAD $his_tree \|\| {
1536dd9c JH	98	if test -d "$GIT_DIR/rr-cache"
	99	then
	100	git-rerere
	101	fi
d1c5f2a4 JH	102	echo Failed to merge in the changes.
	103	exit 1
	104	}
579c9bb1	105	unset GITHEAD_$his_tree
d1c5f2a4 JH	106	}
	107
	108	prec=4
67dad687 MT	109	dotest=.dotest sign= utf8=t keep= skip= interactive= resolved= binary= resolvemsg=
67dad687 MT	110	git_apply_opt=
d1c5f2a4 JH	111
	112	while case "$#" in 0) break;; esac
	113	do
	114	case "$1" in
	115	-d=\|--d=\|--do=\|--dot=\|--dote=\|--dotes=\|--dotest=*)
8096fae7	116	dotest=`expr "z$1" : 'z-[^=]=\(.\)'`; shift ;;
d1c5f2a4 JH	117	-d\|--d\|--do\|--dot\|--dote\|--dotes\|--dotest)
	118	case "$#" in 1) usage ;; esac; shift
	119	dotest="$1"; shift;;
	120
	121	-i\|--i\|--in\|--int\|--inte\|--inter\|--intera\|--interac\|--interact\|\
	122	--interacti\|--interactiv\|--interactive)
	123	interactive=t; shift ;;
	124
087b6742 JH	125	-b\|--b\|--bi\|--bin\|--bina\|--binar\|--binary)
	126	binary=t; shift ;;
	127
d1c5f2a4 JH	128	-3\|--3\|--3w\|--3wa\|--3way)
	129	threeway=t; shift ;;
	130	-s\|--s\|--si\|--sig\|--sign\|--signo\|--signof\|--signoff)
	131	sign=t; shift ;;
	132	-u\|--u\|--ut\|--utf\|--utf8)
3cf167ba	133	utf8=t; shift ;; # this is now default
d84029b6 JH	134	--no-u\|--no-ut\|--no-utf\|--no-utf8)
d84029b6 JH	135	utf8=; shift ;;
d1c5f2a4 JH	136	-k\|--k\|--ke\|--kee\|--keep)
	137	keep=t; shift ;;
	138
0c15cc92 JH	139	-r\|--r\|--re\|--res\|--reso\|--resol\|--resolv\|--resolve\|--resolved)
	140	resolved=t; shift ;;
	141
d1c5f2a4 JH	142	--sk\|--ski\|--skip)
	143	skip=t; shift ;;
	144
2092a1fe	145	--whitespace=\|-C\|-p*)
67dad687	146	git_apply_opt="$git_apply_opt $1"; shift ;;
8c31cb82	147
cc120056 SE	148	--resolvemsg=*)
	149	resolvemsg=$(echo "$1" \| sed -e "s/^--resolvemsg=//"); shift ;;
	150
d1c5f2a4 JH	151	--)
	152	shift; break ;;
	153	-*)
	154	usage ;;
	155	*)
	156	break ;;
	157	esac
	158	done
	159
0c15cc92 JH	160	# If the dotest directory exists, but we have finished applying all the
0c15cc92 JH	161	# patches in them, clear it out.
d1c5f2a4 JH	162	if test -d "$dotest" &&
	163	last=$(cat "$dotest/last") &&
	164	next=$(cat "$dotest/next") &&
	165	test $# != 0 &&
	166	test "$next" -gt "$last"
	167	then
	168	rm -fr "$dotest"
	169	fi
	170
	171	if test -d "$dotest"
	172	then
c95b1389 JH	173	case "$#,$skip$resolved" in
	174	0,t)
	175	# Explicit resume command and we do not have file, so
	176	# we are happy.
	177	: ;;
	178	0,)
	179	# No file input but without resume parameters; catch
	180	# user error to feed us a patch from standard input
	181	# when there is already .dotest. This is somewhat
	182	# unreliable -- stdin could be /dev/null for example
	183	# and the caller did not intend to feed us a patch but
	184	# wanted to continue unattended.
	185	tty -s
	186	;;
	187	*)
	188	false
	189	;;
	190	esac \|\|
	191	die "previous dotest directory $dotest still exists but mbox given."
271440e3	192	resume=yes
d1c5f2a4	193	else
0c15cc92 JH	194	# Make sure we are not given --skip nor --resolved
0c15cc92 JH	195	test ",$skip,$resolved," = ,,, \|\|
cc120056	196	die "Resolve operation not in progress, we are not resuming."
d1c5f2a4 JH	197
	198	# Start afresh.
	199	mkdir -p "$dotest" \|\| exit
	200
b3f041fb	201	git-mailsplit -d"$prec" -o"$dotest" -b -- "$@" > "$dotest/last" \|\| {
d1c5f2a4 JH	202	rm -fr "$dotest"
	203	exit 1
	204	}
	205
8c31cb82 JH	206	# -b, -s, -u, -k and --whitespace flags are kept for the
8c31cb82 JH	207	# resuming session after a patch failure.
0c15cc92	208	# -3 and -i can and must be given when resuming.
087b6742	209	echo "$binary" >"$dotest/binary"
8c31cb82	210	echo " $ws" >"$dotest/whitespace"
d1c5f2a4 JH	211	echo "$sign" >"$dotest/sign"
	212	echo "$utf8" >"$dotest/utf8"
	213	echo "$keep" >"$dotest/keep"
d1c5f2a4 JH	214	echo 1 >"$dotest/next"
	215	fi
	216
0c15cc92 JH	217	case "$resolved" in
	218	'')
	219	files=$(git-diff-index --cached --name-only HEAD) \|\| exit
	220	if [ "$files" ]; then
	221	echo "Dirty index: cannot apply patches (dirty: $files)" >&2
	222	exit 1
	223	fi
	224	esac
	225
087b6742 JH	226	if test "$(cat "$dotest/binary")" = t
	227	then
	228	binary=--allow-binary-replacement
	229	fi
d1c5f2a4 JH	230	if test "$(cat "$dotest/utf8")" = t
	231	then
	232	utf8=-u
bb1091a4 JH	233	else
bb1091a4 JH	234	utf8=-n
d1c5f2a4 JH	235	fi
	236	if test "$(cat "$dotest/keep")" = t
	237	then
	238	keep=-k
	239	fi
8c31cb82	240	ws=`cat "$dotest/whitespace"`
d1c5f2a4 JH	241	if test "$(cat "$dotest/sign")" = t
	242	then
	243	SIGNOFF=`git-var GIT_COMMITTER_IDENT \| sed -e '
	244	s/>.*/>/
	245	s/^/Signed-off-by: /'
	246	`
	247	else
	248	SIGNOFF=
	249	fi
d1c5f2a4 JH	250
	251	last=`cat "$dotest/last"`
	252	this=`cat "$dotest/next"`
	253	if test "$skip" = t
	254	then
f131dd49 EW	255	if test -d "$GIT_DIR/rr-cache"
	256	then
	257	git-rerere clear
	258	fi
d1c5f2a4	259	this=`expr "$this" + 1`
69224716	260	resume=
d1c5f2a4 JH	261	fi
	262
	263	if test "$this" -gt "$last"
	264	then
	265	echo Nothing to do.
	266	rm -fr "$dotest"
	267	exit
	268	fi
	269
	270	while test "$this" -le "$last"
	271	do
	272	msgnum=`printf "%0${prec}d" $this`
	273	next=`expr "$this" + 1`
	274	test -f "$dotest/$msgnum" \|\| {
69224716	275	resume=
d1c5f2a4 JH	276	go_next
	277	continue
	278	}
0c15cc92 JH	279
	280	# If we are not resuming, parse and extract the patch information
	281	# into separate files:
	282	# - info records the authorship and title
	283	# - msg is the rest of commit log message
	284	# - patch is the patch body.
	285	#
	286	# When we are resuming, these files are either already prepared
	287	# by the user, or the user can tell us to do so by --resolved flag.
271440e3 JH	288	case "$resume" in
	289	'')
	290	git-mailinfo $keep $utf8 "$dotest/msg" "$dotest/patch" \
	291	<"$dotest/$msgnum" >"$dotest/info" \|\|
	292	stop_here $this
	293	git-stripspace < "$dotest/msg" > "$dotest/msg-clean"
	294	;;
	295	esac
d1c5f2a4 JH	296
	297	GIT_AUTHOR_NAME="$(sed -n '/^Author/ s/Author: //p' "$dotest/info")"
	298	GIT_AUTHOR_EMAIL="$(sed -n '/^Email/ s/Email: //p' "$dotest/info")"
	299	GIT_AUTHOR_DATE="$(sed -n '/^Date/ s/Date: //p' "$dotest/info")"
e0e3ba20 JH	300
	301	if test -z "$GIT_AUTHOR_EMAIL"
	302	then
	303	echo "Patch does not have a valid e-mail address."
	304	stop_here $this
	305	fi
	306
2c674191	307	export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE
d1c5f2a4	308
4bfb6b62	309	SUBJECT="$(sed -n '/^Subject/ s/Subject: //p' "$dotest/info")"
d1c5f2a4	310	case "$keep_subject" in -k) SUBJECT="[PATCH] $SUBJECT" ;; esac
4bfb6b62 JH	311
	312	case "$resume" in
	313	'')
	314	if test '' != "$SIGNOFF"
	315	then
d1c5f2a4	316	LAST_SIGNED_OFF_BY=`
4bfb6b62 JH	317	sed -ne '/^Signed-off-by: /p' \
	318	"$dotest/msg-clean" \|
	319	tail -n 1
d1c5f2a4	320	`
4bfb6b62 JH	321	ADD_SIGNOFF=`
4bfb6b62 JH	322	test "$LAST_SIGNED_OFF_BY" = "$SIGNOFF" \|\| {
d1c5f2a4 JH	323	test '' = "$LAST_SIGNED_OFF_BY" && echo
d1c5f2a4 JH	324	echo "$SIGNOFF"
4bfb6b62 JH	325	}`
4bfb6b62 JH	326	else
d1c5f2a4	327	ADD_SIGNOFF=
4bfb6b62 JH	328	fi
4bfb6b62 JH	329	{
d1c5f2a4 JH	330	echo "$SUBJECT"
	331	if test -s "$dotest/msg-clean"
	332	then
	333	echo
	334	cat "$dotest/msg-clean"
	335	fi
	336	if test '' != "$ADD_SIGNOFF"
	337	then
	338	echo "$ADD_SIGNOFF"
	339	fi
4bfb6b62 JH	340	} >"$dotest/final-commit"
4bfb6b62 JH	341	;;
0c15cc92	342	*)
6d28644d	343	case "$resolved$interactive" in
0c15cc92 JH	344	tt)
	345	# This is used only for interactive view option.
	346	git-diff-index -p --cached HEAD >"$dotest/patch"
	347	;;
	348	esac
4bfb6b62	349	esac
d1c5f2a4	350
4bfb6b62	351	resume=
d1c5f2a4 JH	352	if test "$interactive" = t
d1c5f2a4 JH	353	then
a1451104 JH	354	test -t 0 \|\|
a1451104 JH	355	die "cannot be interactive without stdin connected to a terminal."
d1c5f2a4 JH	356	action=again
	357	while test "$action" = again
	358	do
	359	echo "Commit Body is:"
	360	echo "--------------------------"
	361	cat "$dotest/final-commit"
	362	echo "--------------------------"
9754563c	363	printf "Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all "
d1c5f2a4 JH	364	read reply
d1c5f2a4 JH	365	case "$reply" in
f89ad67f JH	366	[yY]*) action=yes ;;
	367	[aA]*) action=yes interactive= ;;
	368	[nN]*) action=skip ;;
	369	[eE]*) "${VISUAL:-${EDITOR:-vi}}" "$dotest/final-commit"
d1c5f2a4	370	action=again ;;
f89ad67f JH	371	[vV]*) action=again
	372	LESS=-S ${PAGER:-less} "$dotest/patch" ;;
	373	*) action=again ;;
d1c5f2a4 JH	374	esac
	375	done
	376	else
	377	action=yes
	378	fi
	379
	380	if test $action = skip
	381	then
	382	go_next
	383	continue
	384	fi
	385
	386	if test -x "$GIT_DIR"/hooks/applypatch-msg
	387	then
	388	"$GIT_DIR"/hooks/applypatch-msg "$dotest/final-commit" \|\|
	389	stop_here $this
	390	fi
	391
	392	echo
	393	echo "Applying '$SUBJECT'"
	394	echo
	395
0c15cc92 JH	396	case "$resolved" in
0c15cc92 JH	397	'')
67dad687	398	git-apply $git_apply_opt $binary --index "$dotest/patch"
0c15cc92 JH	399	apply_status=$?
	400	;;
	401	t)
	402	# Resolved means the user did all the hard work, and
	403	# we do not have to do any patch application. Just
	404	# trust what the user has in the index file and the
	405	# working tree.
	406	resolved=
6d28644d JH	407	changed="$(git-diff-index --cached --name-only HEAD)"
	408	if test '' = "$changed"
	409	then
64646d11	410	echo "No changes - did you forget to use 'git add'?"
ced9456a	411	stop_here_user_resolve $this
6d28644d	412	fi
c1d1128b JH	413	unmerged=$(git-ls-files -u)
	414	if test -n "$unmerged"
	415	then
	416	echo "You still have unmerged paths in your index"
64646d11	417	echo "did you forget to use 'git add'?"
ced9456a	418	stop_here_user_resolve $this
c1d1128b	419	fi
0c15cc92	420	apply_status=0
f131dd49 EW	421	if test -d "$GIT_DIR/rr-cache"
	422	then
	423	git rerere
	424	fi
0c15cc92 JH	425	;;
	426	esac
	427
d1c5f2a4 JH	428	if test $apply_status = 1 && test "$threeway" = t
d1c5f2a4 JH	429	then
73319032	430	if (fall_back_3way)
d1c5f2a4	431	then
73319032 JH	432	# Applying the patch to an earlier tree and merging the
73319032 JH	433	# result may have produced the same tree as ours.
6d28644d	434	changed="$(git-diff-index --cached --name-only HEAD)"
73319032 JH	435	if test '' = "$changed"
	436	then
	437	echo No changes -- Patch already applied.
	438	go_next
	439	continue
	440	fi
	441	# clear apply_status -- we have successfully merged.
	442	apply_status=0
d1c5f2a4 JH	443	fi
	444	fi
	445	if test $apply_status != 0
	446	then
	447	echo Patch failed at $msgnum.
ced9456a	448	stop_here_user_resolve $this
d1c5f2a4 JH	449	fi
	450
	451	if test -x "$GIT_DIR"/hooks/pre-applypatch
	452	then
	453	"$GIT_DIR"/hooks/pre-applypatch \|\| stop_here $this
	454	fi
	455
	456	tree=$(git-write-tree) &&
	457	echo Wrote tree $tree &&
	458	parent=$(git-rev-parse --verify HEAD) &&
	459	commit=$(git-commit-tree $tree -p $parent <"$dotest/final-commit") &&
	460	echo Committed: $commit &&
f9474132	461	git-update-ref -m "$GIT_REFLOG_ACTION: $SUBJECT" HEAD $commit $parent \|\|
d1c5f2a4 JH	462	stop_here $this
	463
	464	if test -x "$GIT_DIR"/hooks/post-applypatch
	465	then
	466	"$GIT_DIR"/hooks/post-applypatch
	467	fi
	468
	469	go_next
	470	done
	471
	472	rm -fr "$dotest"