$ git clone -n https://src.fedoraproject.org/rpms/rust-palette.git /var/lib/mock/f45-build-43758-805/root/chroot_tmpdir/scmroot/rust-palette
Cloning into '/var/lib/mock/f45-build-43758-805/root/chroot_tmpdir/scmroot/rust-palette'...
$ git fetch origin 34647345590b80833ce63e820391992743d14486:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-palette
 * [new ref]         34647345590b80833ce63e820391992743d14486 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3464734 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild