git-fetch: reuse ls-remote result.

This will become necessary to update the dumb protocol
transports to fetch from a repository with packed and then
pruned tags.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/git-fetch.sh b/git-fetch.sh
index eb32476bbdc98cc9a34d4026575e4d1a608289be..170c2cb048057e58b568888ea121da18cd63c1da 100755 (executable)
--- a/git-fetch.sh
+++ b/git-fetch.sh
@@ -88,6 +88,10 @@ then
        : >"$GIT_DIR/FETCH_HEAD"
 fi
 
+# Global that is reused later
+ls_remote_result=$(git ls-remote $upload_pack "$remote") ||
+       die "Cannot find the reflist at $remote"
+
 append_fetch_head () {
     head_="$1"
     remote_="$2"
@@ -233,10 +237,7 @@ reflist=$(get_remote_refs_for_fetch "$@")
 if test "$tags"
 then
        taglist=`IFS="  " &&
-                 (
-                       git-ls-remote $upload_pack --tags "$remote" ||
-                       echo fail ouch
-                 ) |
+                 echo "$ls_remote_result" |
                  while read sha1 name
                  do
                        case "$sha1" in
@@ -245,6 +246,8 @@ then
                        esac
                        case "$name" in
                        *^*) continue ;;
+                       refs/tags/*) ;;
+                       *) continue ;;
                        esac
                        if git-check-ref-format "$name"
                        then
@@ -431,7 +434,7 @@ case "$no_tags$tags" in
                # effective only when we are following remote branch
                # using local tracking branch.
                taglist=$(IFS=" " &&
-               git-ls-remote $upload_pack --tags "$remote" |
+               echo "$ls_remote_result" |
                sed -n  -e 's|^\('"$_x40"'\)    \(refs/tags/.*\)^{}$|\1 \2|p' \
                        -e 's|^\('"$_x40"'\)    \(refs/tags/.*\)$|\1 \2|p' |
                while read sha1 name