Code

user-manual: update for new default --track behavior
[git.git] / git-clone.sh
index 70374aaaf0f766588739053becc36831381d4f35..09225540e607c5337f6a4807a570d7e296a555b9 100755 (executable)
@@ -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.
@@ -20,12 +20,12 @@ usage() {
 get_repo_base() {
        (
                cd "`/bin/pwd`" &&
-               cd "$1" &&
+               cd "$1" || cd "$1.git" &&
                {
-                       cd .git 2>/dev/null
+                       cd .git
                        pwd
                }
-       )
+       ) 2>/dev/null
 }
 
 if [ -n "$GIT_SSL_NO_VERIFY" ]; then
@@ -43,7 +43,7 @@ clone_dumb_http () {
        clone_tmp="$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" ||
@@ -72,6 +72,17 @@ 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=
@@ -98,7 +109,7 @@ while
        *,--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) 
+        *,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared)
           local_shared=yes; use_local=yes ;;
        1,--template) usage ;;
        *,--template)
@@ -121,7 +132,7 @@ 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."
@@ -176,15 +187,31 @@ 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-init $quiet ${template+"$template"} || usage
 
 if test -n "$reference"
 then
@@ -334,11 +361,15 @@ 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
@@ -377,37 +408,42 @@ 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 "$head_sha1" &&
+               git update-ref HEAD "$head_sha1" &&
 
-               # 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/*" '^$' &&
                rm -f "refs/remotes/$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
-