$ git clone -n https://src.fedoraproject.org/rpms/xcb-util-wm.git /var/lib/mock/f42-build-869340-176483/root/chroot_tmpdir/scmroot/xcb-util-wm
Cloning into '/var/lib/mock/f42-build-869340-176483/root/chroot_tmpdir/scmroot/xcb-util-wm'...
$ git fetch origin 21ca3cfcbd745d1c60fdefc823186f024e741439:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xcb-util-wm
 * [new ref]         21ca3cfcbd745d1c60fdefc823186f024e741439 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21ca3cf Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild