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Diffstat (limited to 'nixpkgs/pkgs/build-support/testers/default.nix')
-rw-r--r--nixpkgs/pkgs/build-support/testers/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/build-support/testers/default.nix b/nixpkgs/pkgs/build-support/testers/default.nix
index 3ff52ed0178c..fc10597e3e12 100644
--- a/nixpkgs/pkgs/build-support/testers/default.nix
+++ b/nixpkgs/pkgs/build-support/testers/default.nix
@@ -61,7 +61,7 @@
       version ? package.version,
     }: runCommand "${package.name}-test-version" { nativeBuildInputs = [ package ]; meta.timeout = 60; } ''
       if output=$(${command} 2>&1); then
-        if grep -Fw "${version}" - <<< "$output"; then
+        if grep -Fw -- "${version}" - <<< "$output"; then
           touch $out
         else
           echo "Version string '${version}' not found!" >&2