X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=git-fetch.sh;h=280f62e4b7e1fcdf97f306bab6044b5c383dce0d;hb=fa0f02dfa15d0d95f8b6d27688bbf8ac940e3354;hp=954901ddce9404eeadb616c4b65b466c62d4b63f;hpb=c816a6bc5a8494556e00c36d4ed4596a04efd38a;p=git.git

diff --git a/git-fetch.sh b/git-fetch.sh
index 954901dd..280f62e4 100755
--- a/git-fetch.sh
+++ b/git-fetch.sh
@@ -112,7 +112,7 @@ append_fetch_head () {
     *)
 	note_="$remote_name of " ;;
     esac
-    remote_1_=$(expr "$remote_" : '\(.*\)\.git/*$') &&
+    remote_1_=$(expr "z$remote_" : 'z\(.*\)\.git/*$') &&
 	remote_="$remote_1_"
     note_="$note_$remote_"
 
@@ -245,22 +245,22 @@ fetch_main () {
 
       # These are relative path from $GIT_DIR, typically starting at refs/
       # but may be HEAD
-      if expr "$ref" : '\.' >/dev/null
+      if expr "z$ref" : 'z\.' >/dev/null
       then
 	  not_for_merge=t
-	  ref=$(expr "$ref" : '\.\(.*\)')
+	  ref=$(expr "z$ref" : 'z\.\(.*\)')
       else
 	  not_for_merge=
       fi
-      if expr "$ref" : '\+' >/dev/null
+      if expr "z$ref" : 'z+' >/dev/null
       then
 	  single_force=t
-	  ref=$(expr "$ref" : '\+\(.*\)')
+	  ref=$(expr "z$ref" : 'z+\(.*\)')
       else
 	  single_force=
       fi
-      remote_name=$(expr "$ref" : '\([^:]*\):')
-      local_name=$(expr "$ref" : '[^:]*:\(.*\)')
+      remote_name=$(expr "z$ref" : 'z\([^:]*\):')
+      local_name=$(expr "z$ref" : 'z[^:]*:\(.*\)')
 
       rref="$rref$LF$remote_name"
 
@@ -270,14 +270,22 @@ fetch_main () {
 	  if [ -n "$GIT_SSL_NO_VERIFY" ]; then
 	      curl_extra_args="-k"
 	  fi
-	  remote_name_quoted=$(perl -e '
+	  max_depth=5
+	  depth=0
+	  head="ref: $remote_name"
+	  while (expr "z$head" : "zref:" && expr $depth \< $max_depth) >/dev/null
+	  do
+	    remote_name_quoted=$(perl -e '
 	      my $u = $ARGV[0];
+              $u =~ s/^ref:\s*//;
 	      $u =~ s{([^-a-zA-Z0-9/.])}{sprintf"%%%02x",ord($1)}eg;
 	      print "$u";
-	  ' "$remote_name")
-	  head=$(curl -nsfL $curl_extra_args "$remote/$remote_name_quoted") &&
-	  expr "$head" : "$_x40\$" >/dev/null ||
-		  die "Failed to fetch $remote_name from $remote"
+	  ' "$head")
+	    head=$(curl -nsfL $curl_extra_args "$remote/$remote_name_quoted")
+	    depth=$( expr \( $depth + 1 \) )
+	  done
+	  expr "z$head" : "z$_x40\$" >/dev/null ||
+	      die "Failed to fetch $remote_name from $remote"
 	  echo >&2 Fetching "$remote_name from $remote" using http
 	  git-http-fetch -v -a "$head" "$remote/" || exit
 	  ;;
@@ -362,7 +370,7 @@ fetch_main () {
 		  break ;;
 	      esac
 	  done
-	  local_name=$(expr "$found" : '[^:]*:\(.*\)')
+	  local_name=$(expr "z$found" : 'z[^:]*:\(.*\)')
 	  append_fetch_head "$sha1" "$remote" \
 		  "$remote_name" "$remote_nick" "$local_name" "$not_for_merge"
       done