$ git clone -n https://src.fedoraproject.org/rpms/rust-pcre2.git /var/lib/mock/f38-build-side-43-rust-devel-1402207-31184/root/chroot_tmpdir/scmroot/rust-pcre2
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1402207-31184/root/chroot_tmpdir/scmroot/rust-pcre2'...
$ git fetch origin 2f1de93c20a0221957400f9d86adc22e0f3128b6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pcre2
 * [new ref]         2f1de93c20a0221957400f9d86adc22e0f3128b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f1de93 Update to version 0.2.5; Fixes RHBZ#2241261