Make sure alternates are carried over from the original repository.

diff --git a/git-clone-script b/git-clone-script
index a808c02f17160b6c72212ec02cff05a687f65d35..99c2459631f2bdcc6382bd2b5fc03090e1888ee3 100755 (executable)
--- a/git-clone-script
+++ b/git-clone-script
@@ -6,7 +6,7 @@
 # Clone a repository into a different directory that does not yet exist.
 
 usage() {
-       echo >&2 "* git clone [-l] [-q] [-u <upload-pack>] <repo> <dir>"
+       echo >&2 "* git clone [-l [-s]] [-q] [-u <upload-pack>] <repo> <dir>"
        exit 1
 }
 
@@ -16,11 +16,14 @@ get_repo_base() {
 
 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)
@@ -57,22 +60,34 @@ yes,yes)
                exit 1
        }
 
-       # See if we can hardlink and drop "l" if not.
-       sample_file=$(cd "$repo" && \
-                     find objects -type f -print | sed -e 1q)
+       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
+           # 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 "$D/.git/" || exit 1
+           l=
+           if ln "$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=
@@ -89,8 +104,17 @@ yes,yes)
                rsync $quiet -avz --ignore-existing "$repo/refs/" "$D/.git/refs/"
                ;;
        http://*)
-               echo "Somebody should add http fetch" >&2
-               exit 1
+               git-clone-dumb-http "$repo" "$D"
+               case "$?" in
+               2)
+                       echo "Somebody should define smarter http server protocol" >&2
+                       exit 1
+                       ;;
+               0)
+                       ;;
+               *)
+                       exit
+               esac
                ;;
        *)
                cd "$D" && case "$upload_pack" in