Merge pull request #14352 from NixOS/source-paths-tests

tests/functional: Add source-paths tests

Author: Ericson2314

tests/functional/flakes/source-paths.sh

@@ -12,6 +12,10 @@ cat > "$repo/flake.nix" <<EOF
 {
   outputs = { ... }: {
     x = 1;
+    y = assert false; 1;
+    z = builtins.readFile ./foo;
+    a = import ./foo;
+    b = import ./dir;
   };
 }
 EOF
@@ -21,3 +25,33 @@ expectStderr 1 nix eval "$repo#x" | grepQuiet "error: Path 'flake.nix' in the re
 git -C "$repo" add flake.nix
 
 [[ $(nix eval "$repo#x") = 1 ]]
+
+expectStderr 1 nix eval "$repo#y" | grepQuiet "at $repo/flake.nix:"
+
+git -C "$repo" commit -a -m foo
+
+expectStderr 1 nix eval "git+file://$repo?ref=master#y" | grepQuiet "at «git+file://$repo?ref=master&rev=.*»/flake.nix:"
+
+expectStderr 1 nix eval "$repo#z" | grepQuiet "error: Path 'foo' does not exist in Git repository \"$repo\"."
+expectStderr 1 nix eval "git+file://$repo?ref=master#z" | grepQuiet "error: '«git+file://$repo?ref=master&rev=.*»/foo' does not exist"
+expectStderr 1 nix eval "$repo#a" | grepQuiet "error: Path 'foo' does not exist in Git repository \"$repo\"."
+
+echo 123 > "$repo/foo"
+
+expectStderr 1 nix eval "$repo#z" | grepQuiet "error: Path 'foo' in the repository \"$repo\" is not tracked by Git."
+expectStderr 1 nix eval "$repo#a" | grepQuiet "error: Path 'foo' in the repository \"$repo\" is not tracked by Git."
+
+git -C "$repo" add "$repo/foo"
+
+[[ $(nix eval --raw "$repo#z") = 123 ]]
+
+expectStderr 1 nix eval "$repo#b" | grepQuiet "error: Path 'dir' does not exist in Git repository \"$repo\"."
+
+mkdir -p "$repo/dir"
+echo 456 > "$repo/dir/default.nix"
+
+expectStderr 1 nix eval "$repo#b" | grepQuiet "error: Path 'dir' in the repository \"$repo\" is not tracked by Git."
+
+git -C "$repo" add "$repo/dir/default.nix"
+
+[[ $(nix eval "$repo#b") = 456 ]]