lbmk/include/err.sh

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# SPDX-License-Identifier: MIT
# SPDX-FileCopyrightText: 2022, 2023 Leah Rowe <leah@libreboot.org>
version=""; versiondate=""; projectname=""; _nogit=""
err="err_"; tmpdir=""
# if "y": a coreboot target won't be built if target.cfg says release="n"
# (this is used to exclude certain build targets from releases)
lbmk_release=
set | grep LBMK_RELEASE 1>/dev/null 2>/dev/null || lbmk_release="n" || :
[ -z "$lbmk_release" ] && lbmk_release="$LBMK_RELEASE"
[ "$lbmk_release" = "n" ] || [ "$lbmk_release" = "y" ] || lbmk_release="n"
tmpdir_was_set="y"
set | grep TMPDIR 1>/dev/null 2>/dev/null || tmpdir_was_set="n"
if [ "${tmpdir_was_set}" = "y" ]; then
[ "${TMPDIR%_*}" = "/tmp/lbmk" ] || tmpdir_was_set="n"
fi
if [ "${tmpdir_was_set}" = "n" ]; then
export TMPDIR="/tmp"
tmpdir="$(mktemp -d -t lbmk_XXXXXXXX)"
export TMPDIR="${tmpdir}"
else
export TMPDIR="${TMPDIR}"
tmpdir="${TMPDIR}"
fi
x_() {
[ $# -lt 1 ] || ${@} || $err "Unhandled non-zero exit: $@"; return 0
}
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
$err "Git name/email not configured"
}
check_project()
{
read -r projectname < projectname || :
[ ! -f version ] || read -r version < version || :
version_="${version}"
[ ! -e ".git" ] || version="$(git describe --tags HEAD 2>&1)" || \
version="git-$(git rev-parse HEAD 2>&1)" || version="${version_}"
[ ! -f versiondate ] || read -r versiondate < versiondate || :
versiondate_="${versiondate}"
[ ! -e ".git" ] || versiondate="$(git show --no-patch --no-notes \
--pretty='%ct' HEAD)" || versiondate="${versiondate_}"
for p in projectname version versiondate; do
eval "[ -n \"\$$p\" ] || $err \"$p unset\""
eval "x_ printf \"%s\\n\" \"\$$p\" > $p"
done
export LOCALVERSION="-${projectname}-${version%%-*}"
}
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
}