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# SPDX-License-Identifier: MIT
# SPDX-FileCopyrightText: 2022, 2023 Leah Rowe <leah@libreboot.org>
version=""; versiondate=""; projectname=""
x_() {
[ $# -lt 1 ] || ${@} || err_exit err ${@}
}
xx_() {
[ $# -lt 1 ] || ${@} || err_exit fail ${@}
}
err_exit()
{
_fail="${1}" && shift 1
echo "Non-zero exit: $@"
$_fail "Unhandled error"
}
check_git()
{
which git 1>/dev/null 2>/dev/null || \
git_err "git not installed. please install git-scm."
git config --global user.name 1>/dev/null 2>/dev/null || \
git_err "git config --global user.name \"John Doe\""
git config --global user.email 1>/dev/null 2>/dev/null || \
git_err "git config --global user.email \"john.doe@example.com\""
}
git_err()
{
printf "You need to set git name/email, like so:\n%s\n\n" "${1}" 1>&2
fail "Git name/email not configured" || \
err "Git name/email not configured"
}
check_project()
{
read projectname < projectname || :
[ ! -f version ] || read version < version || :
version_="${version}"
[ ! -e ".git" ] || version="$(git describe --tags HEAD 2>&1)" || \
version="git-$(git rev-parse HEAD 2>&1)" || version="${version_}"
[ ! -f versiondate ] || read versiondate < versiondate || :
versiondate_="${versiondate}"
[ ! -e ".git" ] || versiondate="$(git show --no-patch --no-notes \
--pretty='%ct' HEAD)" || versiondate="${versiondate_}"
[ ! -z ${versiondate} ] || fail "Unknown version date" || \
err "Unknown version date"
[ ! -z ${version} ] || fail "Unknown version" || \
err "Unknown version"
[ ! -z ${projectname} ] || fail "Unknown project" || \
err "Unknown project"
xx_ printf "%s\n" "${version}" > version || \
x_ printf "%s\n" "${version}" > version
xx_ printf "%s\n" "${versiondate}" > versiondate || \
x_ printf "%s\n" "${versiondate}" > versiondate
}
setvars()
{
_setvars=""
[ $# -lt 2 ] && err "setvars: too few arguments"
val="${1}"
shift 1
for var in $@; do
_setvars="${var}=\"${val}\"; ${_setvars}"
done
printf "%s\n" "${_setvars% }"
}
err()
{
printf "ERROR %s: %s\n" "${0}" "${1}" 1>&2
exit 1
}
check_project
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