$ git clone -n https://src.fedoraproject.org/rpms/golang-gopkg-sourcemap-1.git /var/lib/mock/f38-build-side-42-init-devel-617565-26324/root/chroot_tmpdir/scmroot/golang-gopkg-sourcemap-1
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-617565-26324/root/chroot_tmpdir/scmroot/golang-gopkg-sourcemap-1'...
$ git fetch origin 528acf5019c647d16d69c6432a1def1f2cca76a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-gopkg-sourcemap-1
 * [new ref]         528acf5019c647d16d69c6432a1def1f2cca76a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 528acf5 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild