$ git clone -n https://src.fedoraproject.org/rpms/jackson-jaxrs-providers.git /var/lib/mock/f39-build-1764891-41501/root/chroot_tmpdir/scmroot/jackson-jaxrs-providers
Cloning into '/var/lib/mock/f39-build-1764891-41501/root/chroot_tmpdir/scmroot/jackson-jaxrs-providers'...
$ git fetch origin 1363cfc9d5cde31a9254496a6cfc4777acb8723f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jackson-jaxrs-providers
 * [new ref]         1363cfc9d5cde31a9254496a6cfc4777acb8723f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1363cfc Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild