git-mergetool: move show_tool_help to mergetool--lib

This is the first step in unifying "git difftool --tool-help" and
"git mergetool --tool-help".

Signed-off-by: John Keeping <john@keeping.me.uk>
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/git-mergetool--lib.sh b/git-mergetool--lib.sh
index f013a0350665e8c11b52853b5794631dcf7694d0..89a857f508ee91b985844bc38cbe29918fef74a7 100644 (file)
--- a/git-mergetool--lib.sh
+++ b/git-mergetool--lib.sh
@@ -174,6 +174,43 @@ list_merge_tool_candidates () {
        esac
 }
 
+show_tool_help () {
+       TOOL_MODE=merge
+       list_merge_tool_candidates
+       unavailable= available= LF='
+'
+       for i in $tools
+       do
+               merge_tool_path=$(translate_merge_tool_path "$i")
+               if type "$merge_tool_path" >/dev/null 2>&1
+               then
+                       available="$available$i$LF"
+               else
+                       unavailable="$unavailable$i$LF"
+               fi
+       done
+       if test -n "$available"
+       then
+               echo "'git mergetool --tool=<tool>' may be set to one of the following:"
+               echo "$available" | sort | sed -e 's/^/ /'
+       else
+               echo "No suitable tool for 'git mergetool --tool=<tool>' found."
+       fi
+       if test -n "$unavailable"
+       then
+               echo
+               echo 'The following tools are valid, but not currently available:'
+               echo "$unavailable" | sort | sed -e 's/^/       /'
+       fi
+       if test -n "$unavailable$available"
+       then
+               echo
+               echo "Some of the tools listed above only work in a windowed"
+               echo "environment. If run in a terminal-only session, they will fail."
+       fi
+       exit 0
+}
+
 guess_merge_tool () {
        list_merge_tool_candidates
        echo >&2 "merge tool candidates: $tools"

diff --git a/git-mergetool.sh b/git-mergetool.sh
index c50e18a8998c1f4ca1449e1733f76cb769f501b9..c0ee9aaf8136a6b5e3e7401504204caa9fcc4fe8 100755 (executable)
--- a/git-mergetool.sh
+++ b/git-mergetool.sh
@@ -315,43 +315,6 @@ merge_file () {
        return 0
 }
 
-show_tool_help () {
-       TOOL_MODE=merge
-       list_merge_tool_candidates
-       unavailable= available= LF='
-'
-       for i in $tools
-       do
-               merge_tool_path=$(translate_merge_tool_path "$i")
-               if type "$merge_tool_path" >/dev/null 2>&1
-               then
-                       available="$available$i$LF"
-               else
-                       unavailable="$unavailable$i$LF"
-               fi
-       done
-       if test -n "$available"
-       then
-               echo "'git mergetool --tool=<tool>' may be set to one of the following:"
-               echo "$available" | sort | sed -e 's/^/ /'
-       else
-               echo "No suitable tool for 'git mergetool --tool=<tool>' found."
-       fi
-       if test -n "$unavailable"
-       then
-               echo
-               echo 'The following tools are valid, but not currently available:'
-               echo "$unavailable" | sort | sed -e 's/^/       /'
-       fi
-       if test -n "$unavailable$available"
-       then
-               echo
-               echo "Some of the tools listed above only work in a windowed"
-               echo "environment. If run in a terminal-only session, they will fail."
-       fi
-       exit 0
-}
-
 prompt=$(git config --bool mergetool.prompt || echo true)
 
 while test $# != 0