$ git clone -n https://src.fedoraproject.org/rpms/rust-struct-field-names-as-array.git /var/lib/mock/f42-build-3234229-41196/root/chroot_tmpdir/scmroot/rust-struct-field-names-as-array
Cloning into '/var/lib/mock/f42-build-3234229-41196/root/chroot_tmpdir/scmroot/rust-struct-field-names-as-array'...
$ git fetch origin 757fa1769b473daa53a76a57ddf98ed177e4e04d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-struct-field-names-as-array
 * [new ref]         757fa1769b473daa53a76a57ddf98ed177e4e04d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 757fa17 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild