Merge branch 'eb/mail' into next

diff --git a/git-fetch.sh b/git-fetch.sh
index 23d965f327b5a4276f9e4fc1ba3daa8c4313fb4d..48818f822451b3d69e7cd90e81e34bf137ead4dd 100755 (executable)
--- a/git-fetch.sh
+++ b/git-fetch.sh
@@ -94,6 +94,9 @@ append_fetch_head () {
     # remote-nick is the URL given on the command line (or a shorthand)
     # remote-name is the $GIT_DIR relative refs/ path we computed
     # for this refspec.
+
+    # the $note_ variable will be fed to git-fmt-merge-msg for further
+    # processing.
     case "$remote_name_" in
     HEAD)
        note_= ;;
@@ -103,10 +106,13 @@ append_fetch_head () {
     refs/tags/*)
        note_="$(expr "$remote_name_" : 'refs/tags/\(.*\)')"
        note_="tag '$note_' of " ;;
+    refs/remotes/*)
+       note_="$(expr "$remote_name_" : 'refs/remotes/\(.*\)')"
+       note_="remote branch '$note_' of " ;;
     *)
        note_="$remote_name of " ;;
     esac
-    remote_1_=$(expr "$remote_" : '\(.*\)\.git/*$') &&
+    remote_1_=$(expr "z$remote_" : 'z\(.*\)\.git/*$') &&
        remote_="$remote_1_"
     note_="$note_$remote_"
 
@@ -147,10 +153,10 @@ fast_forward_local () {
        else
                echo >&2 "* $1: storing $3"
        fi
-       git-update-ref "$1" "$2" 
+       git-update-ref "$1" "$2"
        ;;
 
-    refs/heads/*)
+    refs/heads/* | refs/remotes/*)
        # $1 is the ref being updated.
        # $2 is the new value for the ref.
        local=$(git-rev-parse --verify "$1^0" 2>/dev/null)
@@ -160,10 +166,14 @@ fast_forward_local () {
            mb=$(git-merge-base "$local" "$2") &&
            case "$2,$mb" in
            $local,*)
-               echo >&2 "* $1: same as $3"
+               if test -n "$verbose"
+               then
+                       echo >&2 "* $1: same as $3"
+               fi
                ;;
            *,$local)
                echo >&2 "* $1: fast forward to $3"
+               echo >&2 "  from $local to $2"
                git-update-ref "$1" "$2" "$local"
                ;;
            *)
@@ -178,6 +188,7 @@ fast_forward_local () {
                        ;;
                *)
                        echo >&2 "  not updating."
+                       exit 1
                        ;;
                esac
            }
@@ -203,12 +214,12 @@ esac
 reflist=$(get_remote_refs_for_fetch "$@")
 if test "$tags"
 then
-       taglist=$(IFS=" " &&
+       taglist=`IFS="  " &&
                  git-ls-remote $upload_pack --tags "$remote" |
                  while read sha1 name
                  do
                        case "$name" in
-                       (*^*) continue ;;
+                       *^*) continue ;;
                        esac
                        if git-check-ref-format "$name"
                        then
@@ -216,7 +227,7 @@ then
                        else
                            echo >&2 "warning: tag ${name} ignored"
                        fi
-                 done)
+                 done`
        if test "$#" -gt 1
        then
                # remote URL plus explicit refspecs; we need to merge them.
@@ -237,22 +248,22 @@ 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"
 
@@ -262,14 +273,22 @@ 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" "$remote/" || exit
          ;;
@@ -354,7 +373,7 @@ fetch_main () {
                  break ;;
              esac
          done
-         local_name=$(expr "$found" : '[^:]*:\(.*\)')
+         local_name=$(expr "z$found" : 'z[^:]*:\(.*\)')
          append_fetch_head "$sha1" "$remote" \
                  "$remote_name" "$remote_nick" "$local_name" "$not_for_merge"
       done
@@ -368,20 +387,25 @@ 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
        '') ;;
        ?*)