diff options
Diffstat (limited to '')
| -rw-r--r-- | src/push.rs | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/src/push.rs b/src/push.rs index 80fc537..ab4085c 100644 --- a/src/push.rs +++ b/src/push.rs @@ -43,6 +43,9 @@ pub enum PushProfileError { CopyExit(Option<i32>), #[error("The remote building option is not supported when using legacy nix")] RemoteBuildWithLegacyNix, + + #[error("Failed to run Nix path-info command: {0}")] + PathInfo(std::io::Error), } pub struct PushProfileData<'a> { @@ -251,18 +254,23 @@ pub async fn build_profile(data: PushProfileData<'_>) -> Result<(), PushProfileE .arg("--experimental-features").arg("nix-command") .arg("path-info") .arg(&deriver) - .output().await; + .output().await + .map_err(PushProfileError::PathInfo)?; - let deriver = match path_info_output { + let deriver = if std::str::from_utf8(&path_info_output.stdout).map(|s| s.trim()) == Ok(deriver) { // In this case we're on 2.15.0 or newer, because 'nix path-infonix path-info <...>.drv' // returns the same '<...>.drv' path. // If 'nix path-info <...>.drv' returns a different path, then we're on pre 2.15.0 nix and // derivation build result is already present in the /nix/store. - Ok(path) if std::str::from_utf8(&path.stdout).map(|s| s.trim()) == Ok(deriver) => new_deriver, - // At this point, we're sure that derivation path is valid, but - // the result of the derivation build is not yet present in the /nix/store. - // In this case, 'nix path-info' returns 'error: path '...' is not valid'. - _ => deriver, + new_deriver + } else { + // If 'nix path-info <...>.drv' returns a different path, then we're on pre 2.15.0 nix and + // derivation build result is already present in the /nix/store. + // + // Alternatively, the result of the derivation build may not be yet present + // in the /nix/store. In this case, 'nix path-info' returns + // 'error: path '...' is not valid'. + deriver }; if data.deploy_data.merged_settings.remote_build.unwrap_or(false) { if !data.supports_flakes { |