rebase: allow "-" short-hand for the previous branch

diff --git a/git-mergetool--lib.sh b/git-mergetool--lib.sh
index 6a721064c288609fde50fc84e963519ceb00723e..c45a020301c16614057912b9a26d1466a94654a9 100644 (file)
--- a/git-mergetool--lib.sh
+++ b/git-mergetool--lib.sh
@@ -1,5 +1,4 @@
-#!/bin/sh
-# git-mergetool--lib is a library for common merge tool functions
+# git-mergetool--lib is a shell library for common merge tool functions
 
 : ${MERGE_TOOLS_DIR=$(git --exec-path)/mergetools}
 
@@ -144,7 +143,7 @@ setup_user_tool () {
 setup_tool () {
        tool="$1"
 
-       # Fallback definitions, to be overriden by tools.
+       # Fallback definitions, to be overridden by tools.
        can_merge () {
                return 0
        }
@@ -250,7 +249,8 @@ list_merge_tool_candidates () {
                else
                        tools="opendiff kdiff3 tkdiff xxdiff meld $tools"
                fi
-               tools="$tools gvimdiff diffuse ecmerge p4merge araxis bc3 codecompare"
+               tools="$tools gvimdiff diffuse diffmerge ecmerge"
+               tools="$tools p4merge araxis bc3 codecompare"
        fi
        case "${VISUAL:-$EDITOR}" in
        *vim*)
@@ -263,7 +263,7 @@ list_merge_tool_candidates () {
 }
 
 show_tool_help () {
-       tool_opt="'git ${TOOL_MODE}tool --tool-<tool>'"
+       tool_opt="'git ${TOOL_MODE}tool --tool=<tool>'"
 
        tab='   '
        LF='