git.el: Add support for commit hooks.

diff --git a/git-parse-remote.sh b/git-parse-remote.sh
index aaef861ada3f6bac2a67a7eb0de20ab2ea95b6bf..437b0c3b1bc522c4b5a4a3a656b97cb2009c43a0 100755 (executable)
--- a/git-parse-remote.sh
+++ b/git-parse-remote.sh
@@ -9,8 +9,11 @@ get_data_source () {
        */*)
                echo ''
                ;;
+       .)
+               echo self
+               ;;
        *)
-               if test "$(git-repo-config --get "remote.$1.url")"
+               if test "$(git-config --get "remote.$1.url")"
                then
                        echo config
                elif test -f "$GIT_DIR/remotes/$1"
@@ -31,8 +34,11 @@ get_remote_url () {
        '')
                echo "$1"
                ;;
+       self)
+               echo "$1"
+               ;;
        config)
-               git-repo-config --get "remote.$1.url"
+               git-config --get "remote.$1.url"
                ;;
        remotes)
                sed -ne '/^URL: */{
@@ -49,18 +55,18 @@ get_remote_url () {
 }
 
 get_default_remote () {
-       curr_branch=$(git-symbolic-ref HEAD | sed -e 's|^refs/heads/||')
-       origin=$(git-repo-config --get "branch.$curr_branch.remote")
+       curr_branch=$(git-symbolic-ref -q HEAD | sed -e 's|^refs/heads/||')
+       origin=$(git-config --get "branch.$curr_branch.remote")
        echo ${origin:-origin}
 }
 
 get_remote_default_refs_for_push () {
        data_source=$(get_data_source "$1")
        case "$data_source" in
-       '' | branches)
+       '' | branches | self)
                ;; # no default push mapping, just send matching refs.
        config)
-               git-repo-config --get-all "remote.$1.push" ;;
+               git-config --get-all "remote.$1.push" ;;
        remotes)
                sed -ne '/^Push: */{
                        s///p
@@ -76,33 +82,13 @@ get_remote_default_refs_for_push () {
 # from get_remote_refs_for_fetch when it deals with refspecs
 # supplied on the command line.  $ls_remote_result has the list
 # of refs available at remote.
+#
+# The first token returned is either "explicit" or "glob"; this
+# is to help prevent randomly "globbed" ref from being chosen as
+# a merge candidate
 expand_refs_wildcard () {
-       for ref
-       do
-               lref=${ref#'+'}
-               # a non glob pattern is given back as-is.
-               expr "z$lref" : 'zrefs/.*/\*:refs/.*/\*$' >/dev/null || {
-                       echo "$ref"
-                       continue
-               }
-
-               from=`expr "z$lref" : 'z\(refs/.*/\)\*:refs/.*/\*$'`
-               to=`expr "z$lref" : 'zrefs/.*/\*:\(refs/.*/\)\*$'`
-               local_force=
-               test "z$lref" = "z$ref" || local_force='+'
-               echo "$ls_remote_result" |
-               sed -e '/\^{}$/d' |
-               (
-                       IFS='   '
-                       while read sha1 name
-                       do
-                               # ignore the ones that do not start with $from
-                               mapped=${name#"$from"}
-                               test "z$name" = "z$mapped" && continue
-                               echo "${local_force}${name}:${to}${mapped}"
-                       done
-               )
-       done
+       echo "$ls_remote_result" |
+       git fetch--tool expand-refs-wildcard "-" "$@"
 }
 
 # Subroutine to canonicalize remote:local notation.
@@ -116,15 +102,20 @@ canon_refs_list_for_fetch () {
        if test "$1" = "-d"
        then
                shift ; remote="$1" ; shift
-               set x $(expand_refs_wildcard "$@")
+               set $(expand_refs_wildcard "$remote" "$@")
+               is_explicit="$1"
                shift
                if test "$remote" = "$(get_default_remote)"
                then
-                       curr_branch=$(git-symbolic-ref HEAD | \
+                       curr_branch=$(git-symbolic-ref -q HEAD | \
                            sed -e 's|^refs/heads/||')
-                       merge_branches=$(git-repo-config \
+                       merge_branches=$(git-config \
                            --get-all "branch.${curr_branch}.merge")
                fi
+               if test -z "$merge_branches" && test $is_explicit != explicit
+               then
+                       merge_branches=..this.will.never.match.any.ref..
+               fi
        fi
        for ref
        do
@@ -151,7 +142,7 @@ canon_refs_list_for_fetch () {
                        done
                fi
                case "$remote" in
-               '') remote=HEAD ;;
+               '' | HEAD ) remote=HEAD ;;
                refs/heads/* | refs/tags/* | refs/remotes/*) ;;
                heads/* | tags/* | remotes/* ) remote="refs/$remote" ;;
                *) remote="refs/heads/$remote" ;;
@@ -178,9 +169,13 @@ get_remote_default_refs_for_fetch () {
        case "$data_source" in
        '')
                echo "HEAD:" ;;
+       self)
+               canon_refs_list_for_fetch -d "$1" \
+                       $(git-for-each-ref --format='%(refname):')
+               ;;
        config)
                canon_refs_list_for_fetch -d "$1" \
-                       $(git-repo-config --get-all "remote.$1.fetch") ;;
+                       $(git-config --get-all "remote.$1.fetch") ;;
        branches)
                remote_branch=$(sed -ne '/#/s/.*#//p' "$GIT_DIR/branches/$1")
                case "$remote_branch" in '') remote_branch=master ;; esac
@@ -192,7 +187,7 @@ get_remote_default_refs_for_fetch () {
                                        }' "$GIT_DIR/remotes/$1")
                ;;
        *)
-               die "internal error: get-remote-default-ref-for-push $1" ;;
+               die "internal error: get-remote-default-ref-for-fetch $1" ;;
        esac
 }
 
@@ -254,3 +249,16 @@ resolve_alternates () {
                esac
        done
 }
+
+get_uploadpack () {
+       data_source=$(get_data_source "$1")
+       case "$data_source" in
+       config)
+               uplp=$(git-config --get "remote.$1.uploadpack")
+               echo ${uplp:-git-upload-pack}
+               ;;
+       *)
+               echo "git-upload-pack"
+               ;;
+       esac
+}