deploy: Remove lock when re-staging

This closes the biggest foot-gun when doing e.g.
`rpm-ostree rebase` when zincati is running on a FCOS system.

Previously if zincati happened to have staged + locked a deployment,
we'd keep around the lock which is definitely not what is desired.
This commit is contained in:
Colin Walters 2023-10-13 13:45:04 -04:00
parent 824ac1af0f
commit ac69c70750
2 changed files with 11 additions and 0 deletions

View File

@ -3676,6 +3676,9 @@ ostree_sysroot_stage_tree_with_options (OstreeSysroot *self, const char *osname,
{
if (!_ostree_sysroot_rmrf_deployment (self, self->staged_deployment, cancellable, error))
return FALSE;
// Also remove the lock; xref https://github.com/ostreedev/ostree/issues/3025
if (!ot_ensure_unlinked_at (AT_FDCWD, _OSTREE_SYSROOT_RUNSTATE_STAGED_LOCKED, error))
return FALSE;
}
/* Bump mtime so external processes know something changed, and then reload. */

View File

@ -91,6 +91,14 @@ EOF
test ! -f /run/ostree/staged-deployment-locked
echo "ok cleanup staged"
# And verify that re-staging cleans the previous lock
test '!' -f /run/ostree/staged-deployment
ostree admin deploy --stage staged-deploy
test -f /run/ostree/staged-deployment
test '!' -f /run/ostree/staged-deployment-locked
ostree admin undeploy 0
echo "ok restage unlocked"
# Upgrade with staging
ostree admin deploy --stage staged-deploy
origcommit=$(ostree rev-parse staged-deploy)