show-branch --reflog: add documentation.

diff --git a/git-parse-remote.sh b/git-parse-remote.sh
index c325ef761e4c558ab5c7c560da942e127e1be040..144f1701553a1e2f4204a2df15e66437e0670123 100755 (executable)
--- a/git-parse-remote.sh
+++ b/git-parse-remote.sh
@@ -7,18 +7,7 @@ GIT_DIR=$(git-rev-parse --git-dir 2>/dev/null) || :;
 get_data_source () {
        case "$1" in
        */*)
-               # Not so fast.  This could be the partial URL shorthand...
-               token=$(expr "z$1" : 'z\([^/]*\)/')
-               remainder=$(expr "z$1" : 'z[^/]*/\(.*\)')
-               if test "$(git-repo-config --get "remote.$token.url")"
-               then
-                       echo config-partial
-               elif test -f "$GIT_DIR/branches/$token"
-               then
-                       echo branches-partial
-               else
-                       echo ''
-               fi
+               echo ''
                ;;
        *)
                if test "$(git-repo-config --get "remote.$1.url")"
@@ -40,12 +29,7 @@ get_remote_url () {
        data_source=$(get_data_source "$1")
        case "$data_source" in
        '')
-               echo "$1" ;;
-       config-partial)
-               token=$(expr "z$1" : 'z\([^/]*\)/')
-               remainder=$(expr "z$1" : 'z[^/]*/\(.*\)')
-               url=$(git-repo-config --get "remote.$token.url")
-               echo "$url/$remainder"
+               echo "$1"
                ;;
        config)
                git-repo-config --get "remote.$1.url"
@@ -54,14 +38,10 @@ get_remote_url () {
                sed -ne '/^URL: */{
                        s///p
                        q
-               }' "$GIT_DIR/remotes/$1" ;;
+               }' "$GIT_DIR/remotes/$1"
+               ;;
        branches)
-               sed -e 's/#.*//' "$GIT_DIR/branches/$1" ;;
-       branches-partial)
-               token=$(expr "z$1" : 'z\([^/]*\)/')
-               remainder=$(expr "z$1" : 'z[^/]*/\(.*\)')
-               url=$(sed -e 's/#.*//' "$GIT_DIR/branches/$token")
-               echo "$url/$remainder"
+               sed -e 's/#.*//' "$GIT_DIR/branches/$1"
                ;;
        *)
                die "internal error: get-remote-url $1" ;;
@@ -77,7 +57,7 @@ get_default_remote () {
 get_remote_default_refs_for_push () {
        data_source=$(get_data_source "$1")
        case "$data_source" in
-       '' | config-partial | branches | branches-partial)
+       '' | branches)
                ;; # no default push mapping, just send matching refs.
        config)
                git-repo-config --get-all "remote.$1.push" ;;
@@ -90,6 +70,41 @@ get_remote_default_refs_for_push () {
        esac
 }
 
+# Called from canon_refs_list_for_fetch -d "$remote", which
+# is called from get_remote_default_refs_for_fetch to grok
+# refspecs that are retrieved from the configuration, but not
+# from get_remote_refs_for_fetch when it deals with refspecs
+# supplied on the command line.  $ls_remote_result has the list
+# of refs available at remote.
+expand_refs_wildcard () {
+       for ref
+       do
+               lref=${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
+}
+
 # Subroutine to canonicalize remote:local notation.
 canon_refs_list_for_fetch () {
        # If called from get_remote_default_refs_for_fetch
@@ -97,9 +112,12 @@ canon_refs_list_for_fetch () {
        # or the first one otherwise; add prefix . to the rest
        # to prevent the secondary branches to be merged by default.
        merge_branches=
+       curr_branch=
        if test "$1" = "-d"
        then
                shift ; remote="$1" ; shift
+               set x $(expand_refs_wildcard "$@")
+               shift
                if test "$remote" = "$(get_default_remote)"
                then
                        curr_branch=$(git-symbolic-ref HEAD | \
@@ -128,8 +146,12 @@ canon_refs_list_for_fetch () {
                else
                        for merge_branch in $merge_branches
                        do
-                           [ "$remote" = "$merge_branch" ] &&
-                           dot_prefix= && break
+                           if  test "$remote" = "$merge_branch" ||
+                               test "$local" = "$merge_branch"
+                           then
+                                   dot_prefix=
+                                   break
+                           fi
                        done
                fi
                case "$remote" in
@@ -158,7 +180,7 @@ canon_refs_list_for_fetch () {
 get_remote_default_refs_for_fetch () {
        data_source=$(get_data_source "$1")
        case "$data_source" in
-       '' | config-partial | branches-partial)
+       '')
                echo "HEAD:" ;;
        config)
                canon_refs_list_for_fetch -d "$1" \