$ git clone -n https://src.fedoraproject.org/rpms/xfsprogs.git /var/lib/mock/f40-build-780186-130701/root/chroot_tmpdir/scmroot/xfsprogs
Cloning into '/var/lib/mock/f40-build-780186-130701/root/chroot_tmpdir/scmroot/xfsprogs'...
$ git fetch origin 1dbdeafe2f522a3af9d496080af12d37f6cd89df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfsprogs
 * [new ref]         1dbdeafe2f522a3af9d496080af12d37f6cd89df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1dbdeaf Rebuild for ICU 74