fish: fix passthru tests for darwin

Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>

1 files changed, 6 insertions, 7 deletions

diff --git a/pkgs/shells/fish/default.nix b/pkgs/shells/fish/default.nix
index 91b3ce0b0eb9..0013c205f31f 100644
--- a/pkgs/shells/fish/default.nix
+++ b/pkgs/shells/fish/default.nix
@@ -308,7 +308,7 @@ let
     passthru = {
       shellPath = "/bin/fish";
       tests = {
-        nixos = nixosTests.fish;
+        nixos = lib.optionalAttrs stdenv.isLinux nixosTests.fish;
 
         # Test the fish_config tool by checking the generated splash page.
         # Since the webserver requires a port to run, it is not started.
@@ -322,18 +322,17 @@ let
             # if we don't set `delete=False`, the file will get cleaned up
             # automatically (leading the test to fail because there's no
             # tempfile to check)
-            sed -e 's@, mode="w"@, mode="w", delete=False@' -i webconfig.py
+            ${lib.getExe gnused} -e 's@, mode="w"@, mode="w", delete=False@' -i webconfig.py
 
             # we delete everything after the fileurl is assigned
-            sed -e '/fileurl =/q' -i webconfig.py
+            ${lib.getExe gnused} -e '/fileurl =/q' -i webconfig.py
             echo "print(fileurl)" >> webconfig.py
 
             # and check whether the message appears on the page
-            cat (${python3}/bin/python ./webconfig.py \
-              | tail -n1 | sed -ne 's|.*\(/build/.*\)|\1|p' \
-            ) | grep 'a href="http://localhost.*Start the Fish Web config'
-
             # cannot test the http server because it needs a localhost port
+            cat (${python3}/bin/python ./webconfig.py \
+              | tail -n1 | ${lib.getExe gnused} -e 's|file://||' \
+            ) | ${lib.getExe gnugrep} -q 'a href="http://localhost.*Start the Fish Web config'
           '';
           in
           runCommand "test-web-config" { } ''