$ git clone -n https://src.fedoraproject.org/rpms/rust-heapless.git /var/lib/mock/f40-build-2082365-49835/root/chroot_tmpdir/scmroot/rust-heapless
Cloning into '/var/lib/mock/f40-build-2082365-49835/root/chroot_tmpdir/scmroot/rust-heapless'...
$ git fetch origin e349fc963d45a4a38a526ec0f4781e60bfffb95f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-heapless
 * [new ref]         e349fc963d45a4a38a526ec0f4781e60bfffb95f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e349fc9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild