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env
executable file
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env
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#!/usr/bin/env bash
# SPDX-FileCopyrightText: 2021 - 2023 Robin Vobruba <hoijui.quaero@gmail.com>
#
# SPDX-License-Identifier: Unlicense
# Exit immediately on each error and unset variable;
# see: https://vaneyckt.io/posts/safer_bash_scripts_with_set_euxo_pipefail/
set -Eeuo pipefail
#set -Eeu
script_dir=$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")
function _find_file_upwards() {
local search_dir_l="$1"
local file_name="${2:-Cargo.toml}"
local cur_dir
cur_dir="$(cd "$search_dir_l"; pwd)"
while [ -n "$cur_dir" ]
do
if [ -f "$cur_dir/$file_name" ]
then
echo "$cur_dir/$file_name"
return 0
fi
cur_dir="${cur_dir%\/*}"
done
return 1
}
function _is_win() {
if [[ "$OSTYPE" == "cygwin" ]] \
|| [[ "$OSTYPE" == "msys" ]] \
|| [[ "$OSTYPE" == "win32" ]]
then
echo "true"
else
echo "false"
fi
}
function _our_version() {
if [ -n "${GITHUB_REF:-}" ]
then
# Apparently, this is the right way to get a tag name. Really?
# See: https://github.community/t5/GitHub-Actions/How-to-get-just-the-tag-name/m-p/32167/highlight/true#M1027
echo -n "${GITHUB_REF#refs/tags/}"
else
repo_dir="${1:-.}"
git \
-C "$repo_dir" \
describe \
--long \
--dirty \
--candidates=99 \
--always \
--first-parent \
2> /dev/null \
|| echo "<UNKNOWN>"
fi
}
proj_dir="$(dirname "$(_find_file_upwards "$(pwd)" "Cargo.toml")")"
var_names=()
set -a # All variables get exported when set, even without 'export' in front
# STOML is a simple TOML parser fo BASH.
# We use it to parse Cargo.toml.
# see: https://github.com/freshautomations/stoml/
STOML="$(which stoml || true)"
STOML="${STOML:-"target/tools/stoml"}"
if ! [ -e "$STOML" ]
then
>&2 echo "ERROR: Please make sure that 'stoml' is available through your PATH or under '$STOML'."
>&2 echo " You may get it from <https://github.com/freshautomations/stoml>."
>&2 echo " Using these commands:"
>&2 echo " mkdir -p \"$(dirname "$STOML")\""
>&2 echo " wget https://github.com/freshautomations/stoml/releases/download/v0.7.0/stoml_linux_amd64 -O \"$STOML\""
>&2 echo " chmod +x \"$STOML\""
exit 1
fi
CARGO_TOML="$proj_dir/Cargo.toml"
# Application name
NAME="${NAME:-$($STOML "$CARGO_TOML" package.name)}"
NAME="${NAME:-$(basename "$(pwd)")}"
var_names+=("NAME")
# Application version
VERSION="${VERSION:-$($STOML "$CARGO_TOML" package.version)}"
var_names+=("VERSION")
# Binary name
BINARY="${BINARY:-$(cargo metadata --format-version 1 --no-deps | jq -r '.packages[].targets[] | select( .kind | map(. == "bin") | any ) | .name')}"
var_names+=("BINARY")
# Our version
OUR_VERSION="${OUR_VERSION:-$(_our_version "$script_dir/..")}"
var_names+=("OUR_VERSION")
VERSION="$OUR_VERSION"
var_names+=("VERSION")
# Target specifics (arch, os, base-lib, ...)
TARGET="${TARGET:-}"
var_names+=("TARGET")
# Operating system (rust target string)
OS="${OS:-}"
var_names+=("OS")
# Environment file
ENV_FILE="${ENV_FILE:-${GITHUB_ENV:-}}"
var_names+=("ENV_FILE")
# The cargo executable name (might be `cargo` or `cross`)
CARGO="${CARGO:-cargo}"
var_names+=("CARGO")
# When CARGO is set to CROSS, this is set to `--target matrix.target`.
TARGET_FLAG="${TARGET_FLAG:-}"
var_names+=("TARGET_FLAG")
# Emit backtraces on panics.
RUST_BACKTRACE=1
var_names+=("RUST_BACKTRACE")
if [ -n "$OS" ]
then
IS_WIN="$([ "$OS" = "windows-2019" ] && echo -n "true" || echo -n "false")"
else
IS_WIN="${IS_WIN:-$(_is_win)}"
fi
var_names+=("IS_WIN")
STAGING="$NAME-$VERSION"
# When CARGO is set to CROSS, TARGET_DIR includes matrix.target.
TARGET_DIR="${TARGET_DIR:-$(cargo metadata --format-version 1 --no-deps | jq -r '.target_directory')}"
if [ -n "$TARGET" ]
then
#TARGET="$OSTYPE-$(uname -m)"
STAGING="$STAGING-$TARGET"
if [ "$CARGO" = "cross" ]
then
TARGET_DIR="$TARGET_DIR/$TARGET"
fi
fi
var_names+=("STAGING")
var_names+=("TARGET_DIR")
if $IS_WIN
then
BINARY="${BINARY}.exe"
fi
BINARY_DIR="$TARGET_DIR/release"
BINARY_PATH="$BINARY_DIR/$BINARY"
var_names+=("BINARY_DIR")
var_names+=("BINARY_PATH")
BINARY_DIR_MUSL="$TARGET_DIR/x86_64-unknown-linux-musl/release"
BINARY_PATH_MUSL="$BINARY_DIR_MUSL/$BINARY"
var_names+=("BINARY_DIR_MUSL")
var_names+=("BINARY_PATH_MUSL")
if $IS_WIN
then
PACKAGE_ARCHIVE="${STAGING}.zip"
else
PACKAGE_ARCHIVE="${STAGING}.tar.gz"
fi
var_names+=("PACKAGE_ARCHIVE")
for var_name in "${var_names[@]}"
do
if [ "${OUTPUT:-}" = "true" ]
then
echo "$var_name=\"${!var_name}\""
fi
if [ -n "$ENV_FILE" ]
then
echo "$var_name=${!var_name}" >> "$ENV_FILE"
fi
done
set +a