diff options
author | Griffin Smith <root@gws.fyi> | 2022-10-10T04·03-0400 |
---|---|---|
committer | grfn <grfn@gws.fyi> | 2022-10-10T20·23+0000 |
commit | 0b8a967acac26b527ebedfff6658117f63f7c861 (patch) | |
tree | 30d3e9c514e954fed1cfeb0f4105a20264c9dae9 | |
parent | 273ba73754e9b10f768830d5a6835bf3d14e0d8a (diff) |
feat(tvix/eval): Implement builtins.pathExists r/5088
Change-Id: Ife8a690e9036868964771893ab29a9ae3a2d2365 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6919 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
-rw-r--r-- | tvix/eval/src/builtins/impure.rs | 13 | ||||
-rw-r--r-- | tvix/eval/src/tests/tvix_tests/eval-okay-pathexists.exp | 1 | ||||
-rw-r--r-- | tvix/eval/src/tests/tvix_tests/eval-okay-pathexists.nix | 2 |
3 files changed, 10 insertions, 6 deletions
diff --git a/tvix/eval/src/builtins/impure.rs b/tvix/eval/src/builtins/impure.rs index 32653b665c36..5cf3ca4287d8 100644 --- a/tvix/eval/src/builtins/impure.rs +++ b/tvix/eval/src/builtins/impure.rs @@ -15,10 +15,11 @@ use crate::{ }; fn impure_builtins() -> Vec<Builtin> { - vec![Builtin::new( - "readDir", - &[true], - |args: Vec<Value>, vm: &mut VM| { + vec![ + Builtin::new("pathExists", &[true], |args: Vec<Value>, vm: &mut VM| { + Ok(super::coerce_value_to_path(&args[0], vm)?.exists().into()) + }), + Builtin::new("readDir", &[true], |args: Vec<Value>, vm: &mut VM| { let path = super::coerce_value_to_path(&args[0], vm)?; let mk_err = |err: io::Error| ErrorKind::IO { path: Some(path.clone()), @@ -50,8 +51,8 @@ fn impure_builtins() -> Vec<Builtin> { ); } Ok(Value::attrs(NixAttrs::from_map(res))) - }, - )] + }), + ] } /// Return all impure builtins, that is all builtins which may perform I/O diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-pathexists.exp b/tvix/eval/src/tests/tvix_tests/eval-okay-pathexists.exp new file mode 100644 index 000000000000..27ba77ddaf61 --- /dev/null +++ b/tvix/eval/src/tests/tvix_tests/eval-okay-pathexists.exp @@ -0,0 +1 @@ +true diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-pathexists.nix b/tvix/eval/src/tests/tvix_tests/eval-okay-pathexists.nix new file mode 100644 index 000000000000..ab3d0369401c --- /dev/null +++ b/tvix/eval/src/tests/tvix_tests/eval-okay-pathexists.nix @@ -0,0 +1,2 @@ +builtins.pathExists ./lib.nix +&& !builtins.pathExists ./bla.nix |