$ git clone -n https://src.fedoraproject.org/rpms/rubygem-puma.git /var/lib/mock/f40-build-733963-105602/root/chroot_tmpdir/scmroot/rubygem-puma
Cloning into '/var/lib/mock/f40-build-733963-105602/root/chroot_tmpdir/scmroot/rubygem-puma'...
$ git fetch origin 8cb23bbd3ce4d36d4f8df32129c68d912b30884d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-puma
 * [new ref]         8cb23bbd3ce4d36d4f8df32129c68d912b30884d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8cb23bb Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild