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-rw-r--r--git-mergetool--lib.sh37
1 files changed, 37 insertions, 0 deletions
diff --git a/git-mergetool--lib.sh b/git-mergetool--lib.sh
index f013a03506..89a857f508 100644
--- 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"