$ git clone -n https://src.fedoraproject.org/rpms/rust-rustls-webpki0.101.git /var/lib/mock/f45-build-44593-815/root/chroot_tmpdir/scmroot/rust-rustls-webpki0.101
Cloning into '/var/lib/mock/f45-build-44593-815/root/chroot_tmpdir/scmroot/rust-rustls-webpki0.101'...
$ git fetch origin 267305b8535efe7e3c798b931aeb54e10b8ac4b3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rustls-webpki0.101
 * [new ref]         267305b8535efe7e3c798b931aeb54e10b8ac4b3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 267305b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild