diff options
Diffstat (limited to 'tvix/eval')
-rw-r--r-- | tvix/eval/src/builtins/impure.rs | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/tvix/eval/src/builtins/impure.rs b/tvix/eval/src/builtins/impure.rs index 41e3805b2d0e..7073deaaa7ac 100644 --- a/tvix/eval/src/builtins/impure.rs +++ b/tvix/eval/src/builtins/impure.rs @@ -3,8 +3,6 @@ use std::{ time::{SystemTime, UNIX_EPOCH}, }; -use smol_str::SmolStr; - use crate::{ value::{Builtin, NixString}, Value, @@ -22,5 +20,17 @@ pub(super) fn builtins() -> BTreeMap<NixString, Value> { .map(|b| (b.name().into(), Value::Builtin(b))) .collect(); + // currentTime pins the time at which evaluation was started + { + let seconds = match SystemTime::now().duration_since(UNIX_EPOCH) { + Ok(dur) => dur.as_secs() as i64, + + // This case is hit if the system time is *before* epoch. + Err(err) => -(err.duration().as_secs() as i64), + }; + + map.insert(NixString::from("currentTime"), Value::Integer(seconds)); + } + map } |