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Make --override-input sticky

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When we do something like 'nix flake update --override-input nixpkgs
...', the override is now kept on subsequent calls. (If you don't want
this behaviour, you can use --no-write-lock-file.)
This commit is contained in:
Eelco Dolstra 2020-04-03 14:06:29 +02:00
parent 9c78f7f196
commit 6e7f252ea6
1 changed files with 8 additions and 1 deletions
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9
src/libexpr/flake/flake.cc
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@ -458,8 +458,15 @@ LockedFlake lockFlake(
if (input.isFlake) {
auto inputFlake = getFlake(state, input.ref, {}, lockFlags.useRegistries, flakeCache);
/* Note: in case of an --override-input, we use
the *original* ref (input2.ref) for the
"original" field, rather than the
override. This ensures that the override isn't
nuked the next time we update the lock
file. That is, overrides are sticky unless you
use --no-write-lock-file. */
auto childNode = std::make_shared<LockedNode>(
inputFlake.lockedRef, inputFlake.originalRef, inputFlake.sourceInfo->info);
inputFlake.lockedRef, input2.ref, inputFlake.sourceInfo->info);
node->inputs.insert_or_assign(id, childNode);