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git-mergetool--lib.sh: add error message for unknown tool variant

In setup_tool, we check if the given tool is a known variant of a tool,
and quietly return with an error if not. This leads to the following
invocation quietly failing:

	git mergetool --tool=vimdiff4

Add an error message before returning in this case.

Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Philippe Blain 2024-11-22 19:50:21 +00:00 committed by Junio C Hamano
parent bba503d43e
commit acca46d124

View File

@ -264,6 +264,7 @@ setup_tool () {
if ! list_tool_variants | grep -q "^$tool$"
then
echo "error: unknown tool variant '$tool'" >&2
return 1
fi