X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=git-clone-script;h=0848a5d7a7d12cb60673a5d1a8e3e328a31dbd35;hb=452ce291a99131768e2d61d2dcf8a4a1b78d39a3;hp=28a93212690e9537e113fcad295f2dd451de7a45;hpb=72347a233e6f3c176059a28f0817de6654ef29c7;p=git.git

diff --git a/git-clone-script b/git-clone-script
index 28a93212..0848a5d7 100755
--- a/git-clone-script
+++ b/git-clone-script
@@ -1,4 +1,165 @@
 #!/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.
+
+usage() {
+	echo >&2 "* git clone [-l [-s]] [-q] [-u <upload-pack>] <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 -nsf $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" &&
+	http_fetch "$1/objects/info/packs" "$clone_tmp/packs" || {
+		echo >&2 "Cannot get remote repository information.
+Perhaps git-update-server-info needs to be run there?"
+		exit 1;
+	}
+	while read type name
+	do
+		case "$type" in
+		P) ;;
+		*) continue ;;
+		esac &&
+
+		idx=`expr "$name" : '\(.*\)\.pack'`.idx
+		http_fetch "$1/objects/pack/$name" ".git/objects/pack/$name" &&
+		http_fetch "$1/objects/pack/$idx" ".git/objects/pack/$idx" &&
+		git-verify-pack ".git/objects/pack/$idx" || exit 1
+	done <"$clone_tmp/packs"
+
+	while read sha1 refname
+	do
+		name=`expr "$refname" : 'refs/\(.*\)'` &&
+		git-http-pull -v -a -w "$name" "$name" "$1/" || exit 1
+	done <"$clone_tmp/refs"
+	rm -fr "$clone_tmp"
+}
+
+quiet=
+use_local=no
+local_shared=no
+upload_pack=
+while
+	case "$#,$1" in
+	0,*) break ;;
+	*,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local) use_local=yes ;;
+        *,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared) 
+          local_shared=yes ;;
+	*,-q|*,--quiet) quiet=-q ;;
+	1,-u|1,--upload-pack) usage ;;
+	*,-u|*,--upload-pack)
+		shift
+		upload_pack="--exec=$1" ;;
+	*,-*) usage ;;
+	*) break ;;
+	esac
+do
+	shift
+done
+
+# 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="$2"
-mkdir "$dir" && cd "$dir" && git-init-db && git-clone-pack "$repo"
+mkdir "$dir" &&
+D=$(
+	(cd "$dir" && git-init-db && pwd)
+) &&
+test -d "$D" || usage
+
+# 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" "$D/.git/objects/sample" 2>/dev/null
+	    then
+		    l=l
+	    fi &&
+	    rm -f "$D/.git/objects/sample" &&
+	    cd "$repo" &&
+	    find objects -type f -print |
+	    cpio -puamd$l "$D/.git/" || exit 1
+	    ;;
+	yes)
+	    mkdir -p "$D/.git/objects/info"
+	    {
+		test -f "$repo/objects/info/alternates" &&
+		cat "$repo/objects/info/alternates";
+		echo "$repo/objects"
+	    } >"$D/.git/objects/info/alternates"
+	    ;;
+	esac
+
+	# Make a duplicate of refs and HEAD pointer
+	HEAD=
+	if test -f "$repo/HEAD"
+	then
+		HEAD=HEAD
+	fi
+	tar Ccf "$repo" - refs $HEAD | tar Cxf "$D/.git" - || exit 1
+	;;
+*)
+	case "$repo" in
+	rsync://*)
+		rsync $quiet -avz --ignore-existing "$repo/objects/" "$D/.git/objects/" &&
+		rsync $quiet -avz --ignore-existing "$repo/refs/" "$D/.git/refs/"
+		;;
+	http://*)
+		clone_dumb_http "$repo" "$D"
+		;;
+	*)
+		cd "$D" && case "$upload_pack" in
+		'') git-clone-pack $quiet "$repo" ;;
+		*) git-clone-pack $quiet "$upload_pack" "$repo" ;;
+		esac
+		;;
+	esac
+	;;
+esac
+
+# Update origin.
+mkdir -p "$D/.git/remotes/" &&
+rm -f "$D/.git/remotes/origin" &&
+echo >"$D/.git/remotes/origin" \
+"URL: $repo
+Pull: master:origin"