$ git clone -n https://src.fedoraproject.org/rpms/rust-gtk4-macros /var/lib/mock/f42-build-3429019-45391/root/chroot_tmpdir/scmroot/rust-gtk4-macros
Cloning into '/var/lib/mock/f42-build-3429019-45391/root/chroot_tmpdir/scmroot/rust-gtk4-macros'...
$ git fetch origin aebfeef94eab568301ad67e85cb07c4ab0484595:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gtk4-macros
 * [new ref]         aebfeef94eab568301ad67e85cb07c4ab0484595 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aebfeef Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild