revision.c: explain what tree_difference does

diff --git a/git-fetch.sh b/git-fetch.sh
index 4a8d8d6ef73921ebd99ef68ffa097cd325453763..9d45dd266a8110a2d39fe29ffeb84aacb6053623 100755 (executable)
--- a/git-fetch.sh
+++ b/git-fetch.sh
@@ -24,6 +24,8 @@ update_head_ok=
 exec=
 keep=
 shallow_depth=
+no_progress=
+test -t 1 || no_progress=--no-progress
 while case "$#" in 0) break ;; esac
 do
        case "$1" in
@@ -163,8 +165,16 @@ fetch_native () {
     ( : subshell because we muck with IFS
       IFS="    $LF"
       (
-         git-fetch-pack --thin $exec $keep $shallow_depth "$remote" $rref ||
+       if test -f "$remote" ; then
+           test -n "$shallow_depth" &&
+               die "shallow clone with bundle is not supported"
+           git-bundle unbundle "$remote" $rref ||
+           echo failed "$remote"
+       else
+         git-fetch-pack --thin $exec $keep $shallow_depth $no_progress \
+               "$remote" $rref ||
          echo failed "$remote"
+       fi
       ) |
       (
        flags=