$ git clone -n https://src.fedoraproject.org/rpms/rust-async-global-executor.git /var/lib/mock/f40-build-2248067-53936/root/chroot_tmpdir/scmroot/rust-async-global-executor
Cloning into '/var/lib/mock/f40-build-2248067-53936/root/chroot_tmpdir/scmroot/rust-async-global-executor'...
$ git fetch origin 6b06a6f4b3c32024e426dc2efda46f2b232557c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-async-global-executor
 * [new ref]         6b06a6f4b3c32024e426dc2efda46f2b232557c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b06a6f Update to version 2.4.1; Fixes RHBZ#2251185