libmakepkg: fix unsanitized source filenames

There were a couple places where filenames beginning with "-" were not
properly guarded against by passing them after "--". Some PKGBUILD
authors are crazy, but we still take those into account.

Signed-off-by: Eli Schwartz <eschwartz93@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/scripts/libmakepkg/source/file.sh.in b/scripts/libmakepkg/source/file.sh.in
index 1d85ea9b..41a5fb5c 100644
--- a/scripts/libmakepkg/source/file.sh.in
+++ b/scripts/libmakepkg/source/file.sh.in
@@ -96,7 +96,7 @@ extract_file() {
 	fi
 
 	# do not rely on extension for file type
-	local file_type=$(file -bizL "$file")
+	local file_type=$(file -bizL -- "$file")
 	local ext=${file##*.}
 	local cmd=''
 	case "$file_type" in
@@ -132,7 +132,7 @@ extract_file() {
 		$cmd -xf "$file" || ret=$?
 	else
 		rm -f -- "${file%.*}"
-		$cmd -dcf "$file" > "${file%.*}" || ret=$?
+		$cmd -dcf -- "$file" > "${file%.*}" || ret=$?
 	fi
 	if (( ret )); then
 		error "$(gettext "Failed to extract %s")" "$file"