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Merge pull request #1027 from nix-community/lock-isvalid

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lock: expose lock.isValid...
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Paul Haerle 2024-07-23 14:03:38 +02:00 committed by GitHub
commit 959d6f9678
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2 changed files with 11 additions and 1 deletions
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4
modules/dream2nix/core/lock/default.nix
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@ -18,6 +18,7 @@
invalidationHashCurrent = l.hashString "sha256" (l.toJSON cfg.invalidationData); invalidationHashCurrent = l.hashString "sha256" (l.toJSON cfg.invalidationData);
invalidationHashLocked = fileContent.invalidationHash or null; invalidationHashLocked = fileContent.invalidationHash or null;
isValid = invalidationHashCurrent == invalidationHashLocked;
# script to remove the lock file if no fields are defined # script to remove the lock file if no fields are defined
removeLockFileScript = config.deps.writePython3Bin "refresh" {} '' removeLockFileScript = config.deps.writePython3Bin "refresh" {} ''
@ -182,7 +183,7 @@
else throw (errorOutdatedField field); else throw (errorOutdatedField field);
loadedContent = loadedContent =
if invalidationHashCurrent != invalidationHashLocked if !isValid
then throw errorOutdated then throw errorOutdated
else l.mapAttrs loadField cfg.fields; else l.mapAttrs loadField cfg.fields;
@ -217,6 +218,7 @@ in {
lock.content = mkLazy loadedContent; lock.content = mkLazy loadedContent;
lock.isValid = isValid;
lock.lib = {inherit computeFODHash;}; lock.lib = {inherit computeFODHash;};
deps = {nixpkgs, ...}: deps = {nixpkgs, ...}:

8
modules/dream2nix/core/lock/interface.nix
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@ -83,6 +83,14 @@ in {
readOnly = true; readOnly = true;
}; };
isValid = l.mkOption {
type = t.bool;
description = ''
Check whether the current lock file is valid, which means we don't need to lock again.
'';
readOnly = true;
};
lib.computeFODHash = l.mkOption { lib.computeFODHash = l.mkOption {
type = t.functionTo t.path; type = t.functionTo t.path;
description = '' description = ''