cbmk/include/err.sh

75 lines
1.8 KiB
Bash
Executable File

# SPDX-License-Identifier: MIT
# SPDX-FileCopyrightText: 2022, 2023 Leah Rowe <leah@libreboot.org>
version=""; versiondate=""; projectname=""; _nogit=""
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" "$1" 1>&2
fail "Git name/email not configured" || \
err "Git name/email not configured"
}
check_project()
{
read -r projectname < projectname || :
[ ! -f version ] || read -r version < version || :
version_="${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\" ] || fail \"$p unset\" || err \"$p unset\""
p_="x_ printf \"%s\\n\" \"\$$p\" > $p"
eval "x$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
}