git-sh-setup.sh: use dashdash with basename call

wyand · gitster · commit 7d665f358493 · 2014-11-25T10:06:08.000-08:00
Calling basename on a argument that starts with a dash, like a login
shell, will result in an error. Add '--' before the argument so that
the argument is interpreted properly.

Signed-off-by: Dan Wyand &lt;danwyand@gmail.com&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/git-sh-setup.sh b/git-sh-setup.sh
@@ -81,7 +81,7 @@ if test -n "$OPTIONS_SPEC"; then
 		echo exit $?
 	)"
 else
-	dashless=$(basename "$0" | sed -e 's/-/ /')
+	dashless=$(basename -- "$0" | sed -e 's/-/ /')
 	usage() {
 		die "usage: $dashless $USAGE"
 	}

Original file line number	Diff line number	Diff line change
`@@ -81,7 +81,7 @@ if test -n "$OPTIONS_SPEC"; then`
`81`	`81`	`echo exit $?`
`82`	`82`	`)"`
`83`	`83`	`else`
`84`		`- dashless=$(basename "$0" \| sed -e 's/-/ /')`
	`84`	`+ dashless=$(basename -- "$0" \| sed -e 's/-/ /')`
`85`	`85`	`usage() {`
`86`	`86`	`die "usage: $dashless $USAGE"`
`87`	`87`	`}`