$ git clone -n https://src.fedoraproject.org/rpms/falkon.git /var/lib/mock/f40-build-2638989-66330/root/chroot_tmpdir/scmroot/falkon
Cloning into '/var/lib/mock/f40-build-2638989-66330/root/chroot_tmpdir/scmroot/falkon'...
$ git fetch origin 2fba9635aa87de72fedd5dc75160f8b1bedca079:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/falkon
 * [new ref]         2fba9635aa87de72fedd5dc75160f8b1bedca079 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2fba963 24.02.0