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Fix missing file error messages from 'import'

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This commit is contained in:
Eelco Dolstra 2025-04-01 18:37:21 +02:00
parent 092f222aba
commit f63dc715c1
2 changed files with 21 additions and 0 deletions
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6
src/libutil/mounted-source-accessor.cc
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@ -23,6 +23,12 @@ struct MountedSourceAccessorImpl : MountedSourceAccessor
return accessor->readFile(subpath);
}
Stat lstat(const CanonPath & path) override
{
auto [accessor, subpath] = resolve(path);
return accessor->lstat(subpath);
}
std::optional<Stat> maybeLstat(const CanonPath & path) override
{
auto [accessor, subpath] = resolve(path);

15
tests/functional/flakes/source-paths.sh
View File

@ -14,6 +14,8 @@ cat > "$repo/flake.nix" <<EOF
x = 1;
y = assert false; 1;
z = builtins.readFile ./foo;
a = import ./foo;
b = import ./dir;
};
}
EOF
@ -32,11 +34,24 @@ expectStderr 1 nix eval "git+file://$repo?ref=master#y" | grepQuiet "at «git+fi
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 ]]