$ git clone -n https://src.fedoraproject.org/rpms/rust-pcre2.git /var/lib/mock/f45-build-43693-805/root/chroot_tmpdir/scmroot/rust-pcre2
Cloning into '/var/lib/mock/f45-build-43693-805/root/chroot_tmpdir/scmroot/rust-pcre2'...
$ git fetch origin 5d8740201ba87c4d2376fbeebacbafab7440b935:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pcre2
 * [new ref]         5d8740201ba87c4d2376fbeebacbafab7440b935 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d87402 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild