common.sh

#!/bin/bash
set -eo pipefail

# Get absolute path to repo root
REPO_ROOT=$(git rev-parse --show-toplevel || (cd "$(dirname "${BASH_SOURCE[0]}")" && pwd))
export REPO_ROOT

# Check platform:
# BSD (Mac) and GNU (Linux & Git for Windows) coreutils implementations
# have some differences for example in the available command line options.
case "$(uname -s)" in
    "Darwin")
        export BASH_PLATFORM="mac"
        ;;
    "MINGW"*)
        export BASH_PLATFORM="windows"
        ;;
    *)
        export BASH_PLATFORM="linux"
        ;;
esac
export BASH_PLATFORM

# Print a message with green color
print_green() {
    printf "\e[1;49;32m%s\e[0m\n" "$1"
}

# Print a message with magenta color
print_magenta() {
    printf "\e[1;49;35m%s\e[0m\n" "$1"
}

# Print a message with red color
print_red() {
    printf "\e[1;49;31m%s\e[0m\n" "$1"
}

# Print a message with yellow color
print_yellow() {
    printf "\e[1;49;33m%s\e[0m\n" "$1"
}

# Print an error and exit the program
print_error_and_exit() {
    print_red "ERROR: $1"
    # use exit code if given as second argument, otherwise default to 1
    exit "${2:-1}"
}

# Print usage and exit the program. An optional error message can be given as well.
print_usage_and_exit() {
    if [ $# -eq 1 ]; then
        print_red "ERROR: $1"
    fi
    if [ -z "$USAGE" ]; then
        print_red "No usage text provided in variable USAGE"
    else
        echo "$USAGE"
    fi
    # use exit code if given as second argument, otherwise default to 1
    exit "${2:-1}"
}

# Get all Rust executable names from Cargo.toml
get_rust_executable_names() {
    local executables
    executables=$(awk -F'=' '/\[\[bin\]\]/,/name/ {if($1 ~ /name/) print $2}' Cargo.toml | tr -d ' "')
    if [ "$BASH_PLATFORM" = "windows" ]; then
        executables=$(echo "$executables" | sed 's/$/.exe/')
    fi
    echo "$executables"
}

# if DRYRUN or DRY_RUN has been set, only print commands instead of running them
run_command() {
    if [ "$DRY_RUN" = true ] || [ "$DRYRUN" = true ]; then
        echo "DRYRUN: $*"
    else
        echo "Running: $*"
        "$@"
    fi
}