$ git clone -n https://src.fedoraproject.org/rpms/rust-rsa.git /var/lib/mock/f40-build-2157309-50926/root/chroot_tmpdir/scmroot/rust-rsa
Cloning into '/var/lib/mock/f40-build-2157309-50926/root/chroot_tmpdir/scmroot/rust-rsa'...
$ git fetch origin a0529519b20c6124cdfe5645bd9606b4af2d94b3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rsa
 * [new ref]         a0529519b20c6124cdfe5645bd9606b4af2d94b3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a052951 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild