$ git clone -n https://src.fedoraproject.org/rpms/golang-github-cockroachdb-sentry.git /var/lib/mock/f40-build-2444755-61203/root/chroot_tmpdir/scmroot/golang-github-cockroachdb-sentry
Cloning into '/var/lib/mock/f40-build-2444755-61203/root/chroot_tmpdir/scmroot/golang-github-cockroachdb-sentry'...
$ git fetch origin 17ef00aeec92a61a5c209bd134c2b181db52af46:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-cockroachdb-sentry
 * [new ref]         17ef00aeec92a61a5c209bd134c2b181db52af46 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 17ef00a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild