$ git clone -n https://src.fedoraproject.org/rpms/rust-dashmap4.git /var/lib/mock/f39-build-1445048-32645/root/chroot_tmpdir/scmroot/rust-dashmap4
Cloning into '/var/lib/mock/f39-build-1445048-32645/root/chroot_tmpdir/scmroot/rust-dashmap4'...
$ git fetch origin c8042b7425256f6cd05e03e42939b4faec65f90c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-dashmap4
 * [new ref]         c8042b7425256f6cd05e03e42939b4faec65f90c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c8042b7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild