$ git clone -n https://src.fedoraproject.org/rpms/wlroots0.15.git /var/lib/mock/f41-build-781111-13559/root/chroot_tmpdir/scmroot/wlroots0.15
Cloning into '/var/lib/mock/f41-build-781111-13559/root/chroot_tmpdir/scmroot/wlroots0.15'...
$ git fetch origin 48abd5fdc8e4e5c68e070eeb72c2e14d9f3f3869:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wlroots0.15
 * [new ref]         48abd5fdc8e4e5c68e070eeb72c2e14d9f3f3869 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48abd5f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild