$ git clone -n https://src.fedoraproject.org/rpms/dolphin.git /var/lib/mock/f39-build-1987292-43353/root/chroot_tmpdir/scmroot/dolphin
Cloning into '/var/lib/mock/f39-build-1987292-43353/root/chroot_tmpdir/scmroot/dolphin'...
$ git fetch origin 5cdaf6febcce076500b034231d4b1e82138751fd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dolphin
 * [new ref]         5cdaf6febcce076500b034231d4b1e82138751fd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cdaf6f 23.08.3