$ git clone -n https://src.fedoraproject.org/rpms/rust-clap_mangen.git /var/lib/mock/f39-build-2232531-53335/root/chroot_tmpdir/scmroot/rust-clap_mangen
Cloning into '/var/lib/mock/f39-build-2232531-53335/root/chroot_tmpdir/scmroot/rust-clap_mangen'...
$ git fetch origin adc80bdc1e9089847afe0370a39660f07f83ffbb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-clap_mangen
 * [new ref]         adc80bdc1e9089847afe0370a39660f07f83ffbb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at adc80bd Update to version 0.2.16; Fixes RHBZ#2256124