check patch_delta bounds more carefully

diff --git a/git-fetch.sh b/git-fetch.sh
index 6730346ba07a8c60cb79a2ec720d072b74cebaca..fcc24f85c3e5d79f2e05511ad42d77e05626cc7a 100755 (executable)
--- a/git-fetch.sh
+++ b/git-fetch.sh
@@ -25,8 +25,8 @@ do
        -a|--a|--ap|--app|--appe|--appen|--append)
                append=t
                ;;
-       -u|--u|--up|--upl|--uploa|--upload|--upload-|--upload-p|--upload-pa|\
-       --upload-pac|--upload-pack)
+       --upl|--uplo|--uploa|--upload|--upload-|--upload-p|\
+       --upload-pa|--upload-pac|--upload-pack)
                shift
                exec="--exec=$1" 
                upload_pack="-u $1"
@@ -368,20 +368,25 @@ fetch_main "$reflist"
 # automated tag following
 case "$no_tags$tags" in
 '')
-       taglist=$(IFS=" " &&
-       git-ls-remote $upload_pack --tags "$remote" |
-       sed -ne 's|^\([0-9a-f]*\)[      ]\(refs/tags/.*\)^{}$|\1 \2|p' |
-       while read sha1 name
-       do
-               test -f "$GIT_DIR/$name" && continue
-               git-check-ref-format "$name" || {
-                       echo >&2 "warning: tag ${name} ignored"
-                       continue
-               }
-               git-cat-file -t "$sha1" >/dev/null 2>&1 || continue
-               echo >&2 "Auto-following $name"
-               echo ".${name}:${name}"
-       done)
+       case "$reflist" in
+       *:refs/*)
+               # effective only when we are following remote branch
+               # using local tracking branch.
+               taglist=$(IFS=" " &&
+               git-ls-remote $upload_pack --tags "$remote" |
+               sed -ne 's|^\([0-9a-f]*\)[      ]\(refs/tags/.*\)^{}$|\1 \2|p' |
+               while read sha1 name
+               do
+                       test -f "$GIT_DIR/$name" && continue
+                       git-check-ref-format "$name" || {
+                               echo >&2 "warning: tag ${name} ignored"
+                               continue
+                       }
+                       git-cat-file -t "$sha1" >/dev/null 2>&1 || continue
+                       echo >&2 "Auto-following $name"
+                       echo ".${name}:${name}"
+               done)
+       esac
        case "$taglist" in
        '') ;;
        ?*)