make_version

#!/usr/bin/env bash
#usage:  util/make_version Bitsize Compcert-version
F=veric/version.v
builtin type -P gdate &> /dev/null
if [ $? -eq 0 ]; then
    DATE=gdate
else
    DATE=date
fi
set -e
printf >$F 'Require Import ZArith Coq.Strings.String. Open Scope string.\n'
printf >>$F 'Definition git_rev := "'
if [ -e "$(command -v git)" ] && [ "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = "true" ]; then
  git log -n 1 --pretty=format:"%H" >>$F || true
fi
printf >>$F '".\n'
printf >>$F 'Definition release := "'
tr -d '[:cntrl:]' <VERSION >>$F
printf >>$F '".\n'
printf >>$F 'Definition date := "'
$DATE --rfc-3339=date | tr -d '[:cntrl:]' >>$F
printf >>$F '".\n'
printf >>$F 'Definition bitsize : Z := %d.\n' $1
printf >>$F 'Definition compcert_version := "%s".' $2