subtree: remove duplicate check

LukeShu · gitster · commit cbb5de8b83f3 · 2021-04-28T16:47:18.000+09:00
`cmd_add` starts with a check that the directory doesn't yet exist.
However, the `main` function performs the exact same check before
calling `cmd_add`.  So remove the check from `cmd_add`.

Signed-off-by: Luke Shumaker &lt;lukeshu@datawire.io&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/contrib/subtree/git-subtree.sh b/contrib/subtree/git-subtree.sh
@@ -655,10 +655,6 @@ process_split_commit () {
 }
 
 cmd_add () {
-	if test -e "$dir"
-	then
-		die "'$dir' already exists.  Cannot add."
-	fi
 
 	ensure_clean
 

Original file line number	Diff line number	Diff line change
`@@ -655,10 +655,6 @@ process_split_commit () {`
`655`	`655`	`}`
`656`	`656`
`657`	`657`	`cmd_add () {`
`658`		`- if test -e "$dir"`
`659`		`- then`
`660`		`- die "'$dir' already exists. Cannot add."`
`661`		`- fi`
`662`	`658`
`663`	`659`	`ensure_clean`
`664`	`660`