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

#!/bin/sh
#
# Copyright (c) 2005, Linus Torvalds
# Copyright (c) 2005, Junio C Hamano
# 
# Clone a repository into a different directory that does not yet exist.

# See git-sh-setup why.
unset CDPATH

usage() {
	echo >&2 "Usage: $0 [--use-separate-remote] [--reference <reference-repo>] [--bare] [-l [-s]] [-q] [-u <upload-pack>] [-o <name>] [-n] <repo> [<dir>]"
	exit 1
}

get_repo_base() {
	(cd "$1" && (cd .git ; pwd)) 2> /dev/null
}

if [ -n "$GIT_SSL_NO_VERIFY" ]; then
    curl_extra_args="-k"
fi

http_fetch () {
	# $1 = Remote, $2 = Local
	curl -nsfL $curl_extra_args "$1" >"$2"
}

clone_dumb_http () {
	# $1 - remote, $2 - local
	cd "$2" &&
	clone_tmp='.git/clone-tmp' &&
	mkdir -p "$clone_tmp" || exit 1
	http_fetch "$1/info/refs" "$clone_tmp/refs" || {
		echo >&2 "Cannot get remote repository information.
Perhaps git-update-server-info needs to be run there?"
		exit 1;
	}
	while read sha1 refname
	do
		name=`expr "$refname" : 'refs/\(.*\)'` &&
		case "$name" in
		*^*)	continue;;
		esac
		if test -n "$use_separate_remote" &&
		   branch_name=`expr "$name" : 'heads/\(.*\)'`
		then
			tname="remotes/$origin/$branch_name"
		else
			tname=$name
		fi
		git-http-fetch -v -a -w "$tname" "$name" "$1/" || exit 1
	done <"$clone_tmp/refs"
	rm -fr "$clone_tmp"
	http_fetch "$1/HEAD" "$GIT_DIR/REMOTE_HEAD"
}

# Read git-fetch-pack -k output and store the remote branches.
copy_refs='
use File::Path qw(mkpath);
use File::Basename qw(dirname);
my $git_dir = $ARGV[0];
my $use_separate_remote = $ARGV[1];
my $origin = $ARGV[2];

my $branch_top = ($use_separate_remote ? "remotes/$origin" : "heads");
my $tag_top = "tags";

sub store {
	my ($sha1, $name, $top) = @_;
	$name = "$git_dir/refs/$top/$name";
	mkpath(dirname($name));
	open O, ">", "$name";
	print O "$sha1\n";
	close O;
}

open FH, "<", "$git_dir/CLONE_HEAD";
while (<FH>) {
	my ($sha1, $name) = /^([0-9a-f]{40})\s(.*)$/;
	next if ($name =~ /\^\173/);
	if ($name eq "HEAD") {
		open O, ">", "$git_dir/REMOTE_HEAD";
		print O "$sha1\n";
		close O;
		next;
	}
	if ($name =~ s/^refs\/heads\///) {
		store($sha1, $name, $branch_top);
		next;
	}
	if ($name =~ s/^refs\/tags\///) {
		store($sha1, $name, $tag_top);
		next;
	}
}
close FH;
'

quiet=
use_local=no
local_shared=no
no_checkout=
upload_pack=
bare=
reference=
origin=
origin_override=
use_separate_remote=
while
	case "$#,$1" in
	0,*) break ;;
	*,-n|*,--no|*,--no-|*,--no-c|*,--no-ch|*,--no-che|*,--no-chec|\
	*,--no-check|*,--no-checko|*,--no-checkou|*,--no-checkout)
	  no_checkout=yes ;;
	*,--na|*,--nak|*,--nake|*,--naked|\
	*,-b|*,--b|*,--ba|*,--bar|*,--bare) bare=yes ;;
	*,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local) use_local=yes ;;
        *,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared) 
          local_shared=yes; use_local=yes ;;
	*,-q|*,--quiet) quiet=-q ;;
	*,--use-separate-remote)
		use_separate_remote=t ;;
	1,-o) usage;;
	1,--reference) usage ;;
	*,--reference)
		shift; reference="$1" ;;
	*,--reference=*)
		reference=`expr "$1" : '--reference=\(.*\)'` ;;
	*,-o)
		case "$2" in
		*/*)
		    echo >&2 "'$2' is not suitable for an origin name"
		    exit 1
		esac
		git-check-ref-format "heads/$2" || {
		    echo >&2 "'$2' is not suitable for a branch name"
		    exit 1
		}
		test -z "$origin_override" || {
		    echo >&2 "Do not give more than one -o options."
		    exit 1
		}
		origin_override=yes
		origin="$2"; shift
		;;
	1,-u|1,--upload-pack) usage ;;
	*,-u|*,--upload-pack)
		shift
		upload_pack="--exec=$1" ;;
	*,-*) usage ;;
	*) break ;;
	esac
do
	shift
done

# --bare implies --no-checkout
if test yes = "$bare"
then
	if test yes = "$origin_override"
	then
		echo >&2 '--bare and -o $origin options are incompatible.'
		exit 1
	fi
	if test t = "$use_separate_remote"
	then
		echo >&2 '--bare and --use-separate-remote options are incompatible.'
		exit 1
	fi
	no_checkout=yes
fi

if test -z "$origin"
then
	origin=origin
fi

# Turn the source into an absolute path if
# it is local
repo="$1"
local=no
if base=$(get_repo_base "$repo"); then
	repo="$base"
	local=yes
fi

dir="$2"
# Try using "humanish" part of source repo if user didn't specify one
[ -z "$dir" ] && dir=$(echo "$repo" | sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
[ -e "$dir" ] && echo "$dir already exists." && usage
mkdir -p "$dir" &&
D=$(cd "$dir" && pwd) &&
trap 'err=$?; cd ..; rm -r "$D"; exit $err' exit
case "$bare" in
yes) GIT_DIR="$D" ;;
*) GIT_DIR="$D/.git" ;;
esac && export GIT_DIR && git-init-db || usage
case "$bare" in
yes)
	GIT_DIR="$D" ;;
*)
	GIT_DIR="$D/.git" ;;
esac

if test -n "$reference"
then
	if test -d "$reference"
	then
		if test -d "$reference/.git/objects"
		then
			reference="$reference/.git"
		fi
		reference=$(cd "$reference" && pwd)
		echo "$reference/objects" >"$GIT_DIR/objects/info/alternates"
		(cd "$reference" && tar cf - refs) |
		(cd "$GIT_DIR/refs" &&
		 mkdir reference-tmp &&
		 cd reference-tmp &&
		 tar xf -)
	else
		echo >&2 "$reference: not a local directory." && usage
	fi
fi

rm -f "$GIT_DIR/CLONE_HEAD"

# We do local magic only when the user tells us to.
case "$local,$use_local" in
yes,yes)
	( cd "$repo/objects" ) || {
		echo >&2 "-l flag seen but $repo is not local."
		exit 1
	}

	case "$local_shared" in
	no)
	    # See if we can hardlink and drop "l" if not.
	    sample_file=$(cd "$repo" && \
			  find objects -type f -print | sed -e 1q)

	    # objects directory should not be empty since we are cloning!
	    test -f "$repo/$sample_file" || exit

	    l=
	    if ln "$repo/$sample_file" "$GIT_DIR/objects/sample" 2>/dev/null
	    then
		    l=l
	    fi &&
	    rm -f "$GIT_DIR/objects/sample" &&
	    cd "$repo" &&
	    find objects -depth -print | cpio -pumd$l "$GIT_DIR/" || exit 1
	    ;;
	yes)
	    mkdir -p "$GIT_DIR/objects/info"
	    {
		test -f "$repo/objects/info/alternates" &&
		cat "$repo/objects/info/alternates";
		echo "$repo/objects"
	    } >"$GIT_DIR/objects/info/alternates"
	    ;;
	esac
	git-ls-remote "$repo" >"$GIT_DIR/CLONE_HEAD"
	;;
*)
	case "$repo" in
	rsync://*)
		rsync $quiet -av --ignore-existing  \
			--exclude info "$repo/objects/" "$GIT_DIR/objects/" ||
		exit
		# Look at objects/info/alternates for rsync -- http will
		# support it natively and git native ones will do it on the
		# remote end.  Not having that file is not a crime.
		rsync -q "$repo/objects/info/alternates" \
			"$GIT_DIR/TMP_ALT" 2>/dev/null ||
			rm -f "$GIT_DIR/TMP_ALT"
		if test -f "$GIT_DIR/TMP_ALT"
		then
		    ( cd "$D" &&
		      . git-parse-remote &&
		      resolve_alternates "$repo" <"$GIT_DIR/TMP_ALT" ) |
		    while read alt
		    do
			case "$alt" in 'bad alternate: '*) die "$alt";; esac
			case "$quiet" in
			'')	echo >&2 "Getting alternate: $alt" ;;
			esac
			rsync $quiet -av --ignore-existing  \
			    --exclude info "$alt" "$GIT_DIR/objects" || exit
		    done
		    rm -f "$GIT_DIR/TMP_ALT"
		fi
		git-ls-remote "$repo" >"$GIT_DIR/CLONE_HEAD"
		;;
	http://*)
		if test -z "@@NO_CURL@@"
		then
			clone_dumb_http "$repo" "$D"
		else
			echo >&2 "http transport not supported, rebuild Git with curl support"
			exit 1
		fi
		;;
	*)
		cd "$D" && case "$upload_pack" in
		'') git-fetch-pack --all -k $quiet "$repo" ;;
		*) git-fetch-pack --all -k $quiet "$upload_pack" "$repo" ;;
		esac >"$GIT_DIR/CLONE_HEAD" || {
			echo >&2 "fetch-pack from '$repo' failed."
			exit 1
		}
		;;
	esac
	;;
esac
test -d "$GIT_DIR/refs/reference-tmp" && rm -fr "$GIT_DIR/refs/reference-tmp"

if test -f "$GIT_DIR/CLONE_HEAD"
then
	# Figure out where the remote HEAD points at.
	perl -e "$copy_refs" "$GIT_DIR" "$use_separate_remote" "$origin"
fi

cd "$D" || exit

if test -z "$bare" && test -f "$GIT_DIR/REMOTE_HEAD"
then
	head_sha1=`cat "$GIT_DIR/REMOTE_HEAD"`
	# Figure out which remote branch HEAD points at.
	case "$use_separate_remote" in
	'')	remote_top=refs/heads ;;
	*)	remote_top="refs/remotes/$origin" ;;
	esac

	# What to use to track the remote primary branch
	if test -n "$use_separate_remote"
	then
		origin_tracking="remotes/$origin/master"
	else
		origin_tracking="heads/$origin"
	fi

	# The name under $remote_top the remote HEAD seems to point at
	head_points_at=$(
		(
			echo "master"
			cd "$GIT_DIR/$remote_top" &&
			find . -type f -print | sed -e 's/^\.\///'
		) | (
		done=f
		while read name
		do
			test t = $done && continue
			branch_tip=`cat "$GIT_DIR/$remote_top/$name"`
			if test "$head_sha1" = "$branch_tip"
			then
				echo "$name"
				done=t
			fi
		done
		)
	)

	# Write out remotes/$origin file.
	case "$head_points_at" in
	?*)
		mkdir -p "$GIT_DIR/remotes" &&
		echo >"$GIT_DIR/remotes/$origin" \
		"URL: $repo
Pull: refs/heads/$head_points_at:refs/$origin_tracking" &&
		case "$use_separate_remote" in
		t) git-update-ref HEAD "$head_sha1" ;;
		*) git-update-ref "refs/heads/$origin" $(git-rev-parse HEAD) ;;
		esac &&
		(cd "$GIT_DIR/$remote_top" && find . -type f -print) |
		while read dotslref
		do
			name=`expr "$dotslref" : './\(.*\)'` &&
			test "$head_points_at" = "$name" ||
			test "$origin" = "$name" ||
			echo "Pull: refs/heads/${name}:$remote_top/${name}"
		done >>"$GIT_DIR/remotes/$origin" &&
		case "$use_separate_remote" in
		t)
			rm -f "refs/remotes/$origin/HEAD"
			git-symbolic-ref "refs/remotes/$origin/HEAD" \
				"refs/remotes/$origin/$head_points_at"
		esac
	esac

	case "$no_checkout" in
	'')
		git-read-tree -m -u -v HEAD HEAD
	esac
fi
rm -f "$GIT_DIR/CLONE_HEAD" "$GIT_DIR/REMOTE_HEAD"

trap - exit
Commit	Line	Data
3f571e0b	1	#!/bin/sh
e95ab1ed JH	2	#
	3	# Copyright (c) 2005, Linus Torvalds
	4	# Copyright (c) 2005, Junio C Hamano
	5	#
	6	# Clone a repository into a different directory that does not yet exist.
	7
365527ad JH	8	# See git-sh-setup why.
	9	unset CDPATH
	10
e95ab1ed	11	usage() {
47874d6d	12	echo >&2 "Usage: $0 [--use-separate-remote] [--reference <reference-repo>] [--bare] [-l [-s]] [-q] [-u <upload-pack>] [-o <name>] [-n] <repo> [<dir>]"
e95ab1ed JH	13	exit 1
	14	}
	15
ba375acf LT	16	get_repo_base() {
	17	(cd "$1" && (cd .git ; pwd)) 2> /dev/null
	18	}
	19
0516de30 JH	20	if [ -n "$GIT_SSL_NO_VERIFY" ]; then
	21	curl_extra_args="-k"
	22	fi
	23
	24	http_fetch () {
	25	# $1 = Remote, $2 = Local
66c9ec25	26	curl -nsfL $curl_extra_args "$1" >"$2"
0516de30 JH	27	}
	28
	29	clone_dumb_http () {
	30	# $1 - remote, $2 - local
	31	cd "$2" &&
	32	clone_tmp='.git/clone-tmp' &&
	33	mkdir -p "$clone_tmp" \|\| exit 1
05621105	34	http_fetch "$1/info/refs" "$clone_tmp/refs" \|\| {
0516de30 JH	35	echo >&2 "Cannot get remote repository information.
	36	Perhaps git-update-server-info needs to be run there?"
	37	exit 1;
	38	}
0516de30 JH	39	while read sha1 refname
	40	do
	41	name=`expr "$refname" : 'refs/\(.*\)'` &&
cdb39508	42	case "$name" in
dfeff66e	43	^) continue;;
cdb39508	44	esac
dfeff66e JH	45	if test -n "$use_separate_remote" &&
	46	branch_name=`expr "$name" : 'heads/\(.*\)'`
	47	then
5ceb05f8	48	tname="remotes/$origin/$branch_name"
dfeff66e JH	49	else
	50	tname=$name
	51	fi
	52	git-http-fetch -v -a -w "$tname" "$name" "$1/" \|\| exit 1
0516de30 JH	53	done <"$clone_tmp/refs"
0516de30 JH	54	rm -fr "$clone_tmp"
dfeff66e JH	55	http_fetch "$1/HEAD" "$GIT_DIR/REMOTE_HEAD"
	56	}
	57
	58	# Read git-fetch-pack -k output and store the remote branches.
	59	copy_refs='
	60	use File::Path qw(mkpath);
	61	use File::Basename qw(dirname);
	62	my $git_dir = $ARGV[0];
	63	my $use_separate_remote = $ARGV[1];
47874d6d	64	my $origin = $ARGV[2];
dfeff66e	65
47874d6d	66	my $branch_top = ($use_separate_remote ? "remotes/$origin" : "heads");
dfeff66e JH	67	my $tag_top = "tags";
	68
	69	sub store {
	70	my ($sha1, $name, $top) = @_;
	71	$name = "$git_dir/refs/$top/$name";
	72	mkpath(dirname($name));
	73	open O, ">", "$name";
	74	print O "$sha1\n";
	75	close O;
0516de30 JH	76	}
0516de30 JH	77
dfeff66e JH	78	open FH, "<", "$git_dir/CLONE_HEAD";
	79	while (<FH>) {
	80	my ($sha1, $name) = /^([0-9a-f]{40})\s(.*)$/;
	81	next if ($name =~ /\^\173/);
	82	if ($name eq "HEAD") {
	83	open O, ">", "$git_dir/REMOTE_HEAD";
	84	print O "$sha1\n";
	85	close O;
	86	next;
	87	}
	88	if ($name =~ s/^refs\/heads\///) {
	89	store($sha1, $name, $branch_top);
	90	next;
	91	}
	92	if ($name =~ s/^refs\/tags\///) {
	93	store($sha1, $name, $tag_top);
	94	next;
	95	}
	96	}
	97	close FH;
	98	'
	99
167a4a33	100	quiet=
e95ab1ed	101	use_local=no
aae4f42c	102	local_shared=no
036a72d8	103	no_checkout=
6ec311da	104	upload_pack=
87e80c4b	105	bare=
dfeff66e JH	106	reference=
dfeff66e JH	107	origin=
e6489a1b	108	origin_override=
dfeff66e	109	use_separate_remote=
e95ab1ed JH	110	while
	111	case "$#,$1" in
	112	0,*) break ;;
8a1a120c JH	113	,-n\|,--no\|,--no-\|,--no-c\|,--no-ch\|,--no-che\|*,--no-chec\|\
	114	,--no-check\|,--no-checko\|,--no-checkou\|,--no-checkout)
	115	no_checkout=yes ;;
87e80c4b JH	116	,--na\|,--nak\|,--nake\|,--naked\|\
87e80c4b JH	117	,-b\|,--b\|,--ba\|,--bar\|*,--bare) bare=yes ;;
1cadb5a2	118	,-l\|,--l\|,--lo\|,--loc\|,--loca\|,--local) use_local=yes ;;
aae4f42c	119	,-s\|,--s\|,--sh\|,--sha\|,--shar\|,--share\|*,--shared)
2c4ed386	120	local_shared=yes; use_local=yes ;;
167a4a33	121	,-q\|,--quiet) quiet=-q ;;
dfeff66e JH	122	*,--use-separate-remote)
dfeff66e JH	123	use_separate_remote=t ;;
e6c310fd	124	1,-o) usage;;
dfeff66e JH	125	1,--reference) usage ;;
	126	*,--reference)
	127	shift; reference="$1" ;;
	128	,--reference=)
	129	reference=`expr "$1" : '--reference=\(.*\)'` ;;
e6c310fd	130	*,-o)
47874d6d JH	131	case "$2" in
	132	/)
	133	echo >&2 "'$2' is not suitable for an origin name"
	134	exit 1
	135	esac
	136	git-check-ref-format "heads/$2" \|\| {
e6c310fd JS	137	echo >&2 "'$2' is not suitable for a branch name"
	138	exit 1
	139	}
e6489a1b JH	140	test -z "$origin_override" \|\| {
	141	echo >&2 "Do not give more than one -o options."
	142	exit 1
	143	}
	144	origin_override=yes
e6c310fd JS	145	origin="$2"; shift
e6c310fd JS	146	;;
1cadb5a2	147	1,-u\|1,--upload-pack) usage ;;
6ec311da JH	148	,-u\|,--upload-pack)
6ec311da JH	149	shift
1cadb5a2	150	upload_pack="--exec=$1" ;;
e95ab1ed JH	151	,-) usage ;;
	152	*) break ;;
	153	esac
	154	do
	155	shift
	156	done
	157
87e80c4b	158	# --bare implies --no-checkout
e6489a1b JH	159	if test yes = "$bare"
	160	then
	161	if test yes = "$origin_override"
	162	then
	163	echo >&2 '--bare and -o $origin options are incompatible.'
	164	exit 1
	165	fi
dfeff66e JH	166	if test t = "$use_separate_remote"
	167	then
	168	echo >&2 '--bare and --use-separate-remote options are incompatible.'
	169	exit 1
	170	fi
e6489a1b JH	171	no_checkout=yes
e6489a1b JH	172	fi
8a1a120c	173
47874d6d	174	if test -z "$origin"
dfeff66e	175	then
47874d6d	176	origin=origin
dfeff66e JH	177	fi
dfeff66e JH	178
ba375acf LT	179	# Turn the source into an absolute path if
ba375acf LT	180	# it is local
3f571e0b	181	repo="$1"
ba375acf LT	182	local=no
	183	if base=$(get_repo_base "$repo"); then
	184	repo="$base"
	185	local=yes
	186	fi
	187
3f571e0b	188	dir="$2"
0879aa28	189	# Try using "humanish" part of source repo if user didn't specify one
e7555785	190	[ -z "$dir" ] && dir=$(echo "$repo" \| sed -e 's\|/$\|\|' -e 's\|:/\.git$\|\|' -e 's\|.*[/:]\|\|g')
b0c698a6	191	[ -e "$dir" ] && echo "$dir already exists." && usage
7f10f7c4	192	mkdir -p "$dir" &&
8a1a120c	193	D=$(cd "$dir" && pwd) &&
edd3ebfe	194	trap 'err=$?; cd ..; rm -r "$D"; exit $err' exit
87e80c4b	195	case "$bare" in
8a1a120c JH	196	yes) GIT_DIR="$D" ;;
	197	*) GIT_DIR="$D/.git" ;;
	198	esac && export GIT_DIR && git-init-db \|\| usage
87e80c4b	199	case "$bare" in
8a1a120c JH	200	yes)
	201	GIT_DIR="$D" ;;
	202	*)
	203	GIT_DIR="$D/.git" ;;
	204	esac
e95ab1ed	205
dfeff66e JH	206	if test -n "$reference"
	207	then
	208	if test -d "$reference"
	209	then
	210	if test -d "$reference/.git/objects"
	211	then
	212	reference="$reference/.git"
	213	fi
	214	reference=$(cd "$reference" && pwd)
	215	echo "$reference/objects" >"$GIT_DIR/objects/info/alternates"
	216	(cd "$reference" && tar cf - refs) \|
	217	(cd "$GIT_DIR/refs" &&
	218	mkdir reference-tmp &&
	219	cd reference-tmp &&
	220	tar xf -)
	221	else
	222	echo >&2 "$reference: not a local directory." && usage
	223	fi
	224	fi
	225
	226	rm -f "$GIT_DIR/CLONE_HEAD"
	227
e95ab1ed	228	# We do local magic only when the user tells us to.
ba375acf LT	229	case "$local,$use_local" in
ba375acf LT	230	yes,yes)
e95ab1ed	231	( cd "$repo/objects" ) \|\| {
ab6625e0 JH	232	echo >&2 "-l flag seen but $repo is not local."
ab6625e0 JH	233	exit 1
e95ab1ed JH	234	}
e95ab1ed JH	235
aae4f42c JH	236	case "$local_shared" in
	237	no)
	238	# See if we can hardlink and drop "l" if not.
	239	sample_file=$(cd "$repo" && \
	240	find objects -type f -print \| sed -e 1q)
e95ab1ed	241
aae4f42c JH	242	# objects directory should not be empty since we are cloning!
aae4f42c JH	243	test -f "$repo/$sample_file" \|\| exit
e95ab1ed	244
aae4f42c	245	l=
8a1a120c	246	if ln "$repo/$sample_file" "$GIT_DIR/objects/sample" 2>/dev/null
aae4f42c JH	247	then
	248	l=l
	249	fi &&
8a1a120c	250	rm -f "$GIT_DIR/objects/sample" &&
aae4f42c	251	cd "$repo" &&
8e1618f9	252	find objects -depth -print \| cpio -pumd$l "$GIT_DIR/" \|\| exit 1
aae4f42c JH	253	;;
aae4f42c JH	254	yes)
8a1a120c	255	mkdir -p "$GIT_DIR/objects/info"
0f87f893 JH	256	{
	257	test -f "$repo/objects/info/alternates" &&
	258	cat "$repo/objects/info/alternates";
	259	echo "$repo/objects"
8a1a120c	260	} >"$GIT_DIR/objects/info/alternates"
aae4f42c JH	261	;;
aae4f42c JH	262	esac
dfeff66e	263	git-ls-remote "$repo" >"$GIT_DIR/CLONE_HEAD"
7558ef89 LT	264	;;
7558ef89 LT	265	*)
1cadb5a2 JH	266	case "$repo" in
1cadb5a2 JH	267	rsync://*)
4447badc	268	rsync $quiet -av --ignore-existing \
dfeff66e JH	269	--exclude info "$repo/objects/" "$GIT_DIR/objects/" \|\|
dfeff66e JH	270	exit
4447badc JH	271	# Look at objects/info/alternates for rsync -- http will
	272	# support it natively and git native ones will do it on the
	273	# remote end. Not having that file is not a crime.
89d844d0	274	rsync -q "$repo/objects/info/alternates" \
8a1a120c JH	275	"$GIT_DIR/TMP_ALT" 2>/dev/null \|\|
	276	rm -f "$GIT_DIR/TMP_ALT"
	277	if test -f "$GIT_DIR/TMP_ALT"
4447badc	278	then
0e9ab02d	279	( cd "$D" &&
4447badc	280	. git-parse-remote &&
8a1a120c	281	resolve_alternates "$repo" <"$GIT_DIR/TMP_ALT" ) \|
4447badc JH	282	while read alt
	283	do
	284	case "$alt" in 'bad alternate: '*) die "$alt";; esac
	285	case "$quiet" in
	286	'') echo >&2 "Getting alternate: $alt" ;;
	287	esac
	288	rsync $quiet -av --ignore-existing \
8a1a120c	289	--exclude info "$alt" "$GIT_DIR/objects" \|\| exit
4447badc	290	done
8a1a120c	291	rm -f "$GIT_DIR/TMP_ALT"
4447badc	292	fi
dfeff66e	293	git-ls-remote "$repo" >"$GIT_DIR/CLONE_HEAD"
1cadb5a2 JH	294	;;
1cadb5a2 JH	295	http://*)
6c5c62f3 FP	296	if test -z "@@NO_CURL@@"
	297	then
	298	clone_dumb_http "$repo" "$D"
	299	else
	300	echo >&2 "http transport not supported, rebuild Git with curl support"
	301	exit 1
	302	fi
1cadb5a2 JH	303	;;
	304	*)
	305	cd "$D" && case "$upload_pack" in
dfeff66e JH	306	'') git-fetch-pack --all -k $quiet "$repo" ;;
	307	*) git-fetch-pack --all -k $quiet "$upload_pack" "$repo" ;;
	308	esac >"$GIT_DIR/CLONE_HEAD" \|\| {
	309	echo >&2 "fetch-pack from '$repo' failed."
0a8b4def JH	310	exit 1
0a8b4def JH	311	}
1cadb5a2	312	;;
6ec311da	313	esac
7558ef89 LT	314	;;
7558ef89 LT	315	esac
dfeff66e JH	316	test -d "$GIT_DIR/refs/reference-tmp" && rm -fr "$GIT_DIR/refs/reference-tmp"
	317
	318	if test -f "$GIT_DIR/CLONE_HEAD"
	319	then
	320	# Figure out where the remote HEAD points at.
47874d6d	321	perl -e "$copy_refs" "$GIT_DIR" "$use_separate_remote" "$origin"
dfeff66e	322	fi
1cadb5a2	323
0e9ab02d	324	cd "$D" \|\| exit
036a72d8	325
dfeff66e	326	if test -z "$bare" && test -f "$GIT_DIR/REMOTE_HEAD"
036a72d8	327	then
dfeff66e JH	328	head_sha1=`cat "$GIT_DIR/REMOTE_HEAD"`
	329	# Figure out which remote branch HEAD points at.
	330	case "$use_separate_remote" in
	331	'') remote_top=refs/heads ;;
47874d6d	332	*) remote_top="refs/remotes/$origin" ;;
dfeff66e	333	esac
47874d6d JH	334
	335	# What to use to track the remote primary branch
	336	if test -n "$use_separate_remote"
	337	then
	338	origin_tracking="remotes/$origin/master"
	339	else
	340	origin_tracking="heads/$origin"
	341	fi
	342
	343	# The name under $remote_top the remote HEAD seems to point at
dfeff66e JH	344	head_points_at=$(
	345	(
	346	echo "master"
	347	cd "$GIT_DIR/$remote_top" &&
	348	find . -type f -print \| sed -e 's/^\.\///'
	349	) \| (
	350	done=f
	351	while read name
	352	do
	353	test t = $done && continue
	354	branch_tip=`cat "$GIT_DIR/$remote_top/$name"`
	355	if test "$head_sha1" = "$branch_tip"
	356	then
	357	echo "$name"
	358	done=t
	359	fi
	360	done
	361	)
	362	)
47874d6d JH	363
47874d6d JH	364	# Write out remotes/$origin file.
e125c1a7	365	case "$head_points_at" in
dfeff66e	366	?*)
8a1a120c	367	mkdir -p "$GIT_DIR/remotes" &&
47874d6d	368	echo >"$GIT_DIR/remotes/$origin" \
e125c1a7	369	"URL: $repo
47874d6d	370	Pull: refs/heads/$head_points_at:refs/$origin_tracking" &&
dfeff66e JH	371	case "$use_separate_remote" in
dfeff66e JH	372	t) git-update-ref HEAD "$head_sha1" ;;
4c2e98d6	373	*) git-update-ref "refs/heads/$origin" $(git-rev-parse HEAD) ;;
dfeff66e	374	esac &&
47874d6d JH	375	(cd "$GIT_DIR/$remote_top" && find . -type f -print) \|
47874d6d JH	376	while read dotslref
95d117b6	377	do
47874d6d	378	name=`expr "$dotslref" : './\(.*\)'` &&
dfeff66e	379	test "$head_points_at" = "$name" \|\|
4c2e98d6	380	test "$origin" = "$name" \|\|
dfeff66e	381	echo "Pull: refs/heads/${name}:$remote_top/${name}"
5ceb05f8 JH	382	done >>"$GIT_DIR/remotes/$origin" &&
	383	case "$use_separate_remote" in
	384	t)
	385	rm -f "refs/remotes/$origin/HEAD"
	386	git-symbolic-ref "refs/remotes/$origin/HEAD" \
	387	"refs/remotes/$origin/$head_points_at"
	388	esac
e125c1a7 JH	389	esac
e125c1a7 JH	390
036a72d8 JH	391	case "$no_checkout" in
036a72d8 JH	392	'')
744633cb	393	git-read-tree -m -u -v HEAD HEAD
036a72d8 JH	394	esac
036a72d8 JH	395	fi
dfeff66e	396	rm -f "$GIT_DIR/CLONE_HEAD" "$GIT_DIR/REMOTE_HEAD"
41ff7a10 CW	397
	398	trap - exit
	399