$ git clone -n https://src.fedoraproject.org/rpms/libtrash.git /var/lib/mock/f40-build-786101-134171/root/chroot_tmpdir/scmroot/libtrash
Cloning into '/var/lib/mock/f40-build-786101-134171/root/chroot_tmpdir/scmroot/libtrash'...
$ git fetch origin 5db9b3ab33ca72e6e6153454c098fd0a9de15a07:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libtrash
 * [new ref]         5db9b3ab33ca72e6e6153454c098fd0a9de15a07 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5db9b3a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild