X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=git-clone.sh;h=18003ab4b39ad0a7848cc20db2f6ad55e1291264;hb=a475e8095aeb898c1ca60673b82df97d2300cc95;hp=cad5c0c088fa997c6f8f36c44e8888a5cb19515e;hpb=61397d4b8da2f2ab3fd767c6058ad05ca10269b8;p=git.git

diff --git a/git-clone.sh b/git-clone.sh
index cad5c0c08..18003ab4b 100755
--- a/git-clone.sh
+++ b/git-clone.sh
@@ -2,7 +2,7 @@
 #
 # 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.
@@ -18,7 +18,14 @@ usage() {
 }
 
 get_repo_base() {
-	(cd "$1" && (cd .git ; pwd)) 2> /dev/null
+	(
+		cd "`/bin/pwd`" &&
+		cd "$1" || cd "$1.git" &&
+		{
+			cd .git
+			pwd
+		}
+	) 2>/dev/null
 }
 
 if [ -n "$GIT_SSL_NO_VERIFY" ]; then
@@ -36,7 +43,7 @@ clone_dumb_http () {
 	clone_tmp="$GIT_DIR/clone-tmp" &&
 	mkdir -p "$clone_tmp" || exit 1
 	if [ -n "$GIT_CURL_FTP_NO_EPSV" -o \
-		"`git-config --bool http.noEPSV`" = true ]; then
+		"`git config --bool http.noEPSV`" = true ]; then
 		curl_extra_args="${curl_extra_args} --disable-epsv"
 	fi
 	http_fetch "$1/info/refs" "$clone_tmp/refs" ||
@@ -65,11 +72,22 @@ Perhaps git-update-server-info needs to be run there?"
 	rm -fr "$clone_tmp"
 	http_fetch "$1/HEAD" "$GIT_DIR/REMOTE_HEAD" ||
 	rm -f "$GIT_DIR/REMOTE_HEAD"
+	if test -f "$GIT_DIR/REMOTE_HEAD"; then
+		head_sha1=`cat "$GIT_DIR/REMOTE_HEAD"`
+		case "$head_sha1" in
+		'ref: refs/'*)
+			;;
+		*)
+			git-http-fetch $v -a "$head_sha1" "$1" ||
+			rm -f "$GIT_DIR/REMOTE_HEAD"
+			;;
+		esac
+	fi
 }
 
 quiet=
 local=no
-use_local=no
+use_local_hardlink=yes
 local_shared=no
 unset template
 no_checkout=
@@ -81,6 +99,7 @@ origin_override=
 use_separate_remote=t
 depth=
 no_progress=
+local_explicitly_asked_for=
 test -t 1 || no_progress=--no-progress
 while
 	case "$#,$1" in
@@ -90,9 +109,14 @@ while
 	  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 ;;
+	*,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local)
+	  local_explicitly_asked_for=yes
+	  use_local_hardlink=yes ;;
+	*,--no-h|*,--no-ha|*,--no-har|*,--no-hard|*,--no-hardl|\
+	*,--no-hardli|*,--no-hardlin|*,--no-hardlink|*,--no-hardlinks)
+	  use_local_hardlink=no ;;
+        *,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared)
+          local_shared=yes; ;;
 	1,--template) usage ;;
 	*,--template)
 		shift; template="--template=$1" ;;
@@ -114,7 +138,7 @@ while
 		*/*)
 		    die "'$2' is not suitable for an origin name"
 		esac
-		git-check-ref-format "heads/$2" ||
+		git check-ref-format "heads/$2" ||
 		    die "'$2' is not suitable for a branch name"
 		test -z "$origin_override" ||
 		    die "Do not give more than one --origin options."
@@ -169,15 +193,36 @@ 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 "$dir" ] && die "destination directory '$dir' already exists."
-mkdir -p "$dir" &&
-D=$(cd "$dir" && pwd) &&
-trap 'err=$?; cd ..; rm -rf "$D"; exit $err' 0
-case "$bare" in
-yes)
-	GIT_DIR="$D" ;;
-*)
-	GIT_DIR="$D/.git" ;;
-esac && export GIT_DIR && git-init ${template+"$template"} || usage
+[ yes = "$bare" ] && unset GIT_WORK_TREE
+[ -n "$GIT_WORK_TREE" ] && [ -e "$GIT_WORK_TREE" ] &&
+die "working tree '$GIT_WORK_TREE' already exists."
+D=
+W=
+cleanup() {
+	err=$?
+	test -z "$D" && rm -rf "$dir"
+	test -z "$W" && test -n "$GIT_WORK_TREE" && rm -rf "$GIT_WORK_TREE"
+	cd ..
+	test -n "$D" && rm -rf "$D"
+	test -n "$W" && rm -rf "$W"
+	exit $err
+}
+trap cleanup 0
+mkdir -p "$dir" && D=$(cd "$dir" && pwd) || usage
+test -n "$GIT_WORK_TREE" && mkdir -p "$GIT_WORK_TREE" &&
+W=$(cd "$GIT_WORK_TREE" && pwd) && export GIT_WORK_TREE="$W"
+if test yes = "$bare" || test -n "$GIT_WORK_TREE"; then
+	GIT_DIR="$D"
+else
+	GIT_DIR="$D/.git"
+fi &&
+export GIT_DIR &&
+GIT_CONFIG="$GIT_DIR/config" git-init $quiet ${template+"$template"} || usage
+
+if test -n "$bare"
+then
+	GIT_CONFIG="$GIT_DIR/config" git config core.bare true
+fi
 
 if test -n "$reference"
 then
@@ -215,34 +260,37 @@ fi
 rm -f "$GIT_DIR/CLONE_HEAD"
 
 # We do local magic only when the user tells us to.
-case "$local,$use_local" in
-yes,yes)
+case "$local" in
+yes)
 	( cd "$repo/objects" ) ||
-		die "-l flag seen but repository '$repo' is not local."
-
-	case "$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)
+		die "cannot chdir to local '$repo/objects'."
 
-	    # 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"
-	    echo "$repo/objects" >> "$GIT_DIR/objects/info/alternates"
-	    ;;
-	esac
+	if test "$local_shared" = yes
+	then
+		mkdir -p "$GIT_DIR/objects/info"
+		echo "$repo/objects" >>"$GIT_DIR/objects/info/alternates"
+	else
+		l= &&
+		if test "$use_local_hardlink" = yes
+		then
+			# See if we can hardlink and drop "l" if not.
+			sample_file=$(cd "$repo" && \
+				      find objects -type f -print | sed -e 1q)
+			# objects directory should not be empty because
+			# we are cloning!
+			test -f "$repo/$sample_file" || exit
+			if ln "$repo/$sample_file" "$GIT_DIR/objects/sample" 2>/dev/null
+			then
+				rm -f "$GIT_DIR/objects/sample"
+				l=l
+			elif test -n "$local_explicitly_asked_for"
+			then
+				echo >&2 "Warning: -l asked but cannot hardlink to $repo"
+			fi
+		fi &&
+		cd "$repo" &&
+		find objects -depth -print | cpio -pumd$l "$GIT_DIR/" || exit 1
+	fi
 	git-ls-remote "$repo" >"$GIT_DIR/CLONE_HEAD" || exit 1
 	;;
 *)
@@ -327,11 +375,15 @@ then
 		*)
 			continue ;;
 		esac
-		git-update-ref -m "clone: from $repo" "$destname" "$sha1" ""
+		git update-ref -m "clone: from $repo" "$destname" "$sha1" ""
 	done < "$GIT_DIR/CLONE_HEAD"
 fi
 
-cd "$D" || exit
+if test -n "$W"; then
+	cd "$W" || exit
+else
+	cd "$D" || exit
+fi
 
 if test -z "$bare" && test -f "$GIT_DIR/REMOTE_HEAD"
 then
@@ -370,37 +422,42 @@ then
 		)
 	)
 
+	# Upstream URL
+	git config remote."$origin".url "$repo" &&
+
+	# Set up the mappings to track the remote branches.
+	git config remote."$origin".fetch \
+		"+refs/heads/*:$remote_top/*" '^$' &&
+
 	# Write out remote.$origin config, and update our "$head_points_at".
 	case "$head_points_at" in
 	?*)
 		# Local default branch
-		git-symbolic-ref HEAD "refs/heads/$head_points_at" &&
+		git symbolic-ref HEAD "refs/heads/$head_points_at" &&
 
 		# Tracking branch for the primary branch at the remote.
-		origin_track="$remote_top/$head_points_at" &&
-		git-update-ref HEAD "$head_sha1" &&
-
-		# Upstream URL
-		git-config remote."$origin".url "$repo" &&
+		git update-ref HEAD "$head_sha1" &&
 
-		# Set up the mappings to track the remote branches.
-		git-config remote."$origin".fetch \
-			"+refs/heads/*:$remote_top/*" '^$' &&
 		rm -f "refs/remotes/$origin/HEAD"
-		git-symbolic-ref "refs/remotes/$origin/HEAD" \
+		git symbolic-ref "refs/remotes/$origin/HEAD" \
 			"refs/remotes/$origin/$head_points_at" &&
 
-		git-config branch."$head_points_at".remote "$origin" &&
-		git-config branch."$head_points_at".merge "refs/heads/$head_points_at"
+		git config branch."$head_points_at".remote "$origin" &&
+		git config branch."$head_points_at".merge "refs/heads/$head_points_at"
+		;;
+	'')
+		# Source had detached HEAD pointing nowhere
+		git update-ref --no-deref HEAD "$head_sha1" &&
+		rm -f "refs/remotes/$origin/HEAD"
+		;;
 	esac
 
 	case "$no_checkout" in
 	'')
 		test "z$quiet" = z -a "z$no_progress" = z && v=-v || v=
-		git-read-tree -m -u $v HEAD HEAD
+		git read-tree -m -u $v HEAD HEAD
 	esac
 fi
 rm -f "$GIT_DIR/CLONE_HEAD" "$GIT_DIR/REMOTE_HEAD"
 
 trap - 0
-