c5

#!/bin/sh

# Look for the concrete5 web root
# Output:
#    the full path of the web root (including leading /)
# Return:
#    0: success
#    1: directory not found
c5_getWebroot () {
    __C5_TMPVAR=`pwd`
    __C5_TMPVAR="${__C5_TMPVAR%/}/"
    if test -f "${__C5_TMPVAR}concrete/dispatcher.php"; then
        printf '%s' "${__C5_TMPVAR}"
        unset -v __C5_TMPVAR
        return 0
    fi
    if test -f "${__C5_TMPVAR}public/concrete/dispatcher.php"; then
        printf '%s' "${__C5_TMPVAR}public/"
        unset -v __C5_TMPVAR
        return 0
    fi
    if test -f "${__C5_TMPVAR}web/concrete/dispatcher.php"; then
        printf '%s' "${__C5_TMPVAR}web/"
        unset -v __C5_TMPVAR
        return 0
    fi
    while :; do
        __C5_TMPVAR=$(dirname "$__C5_TMPVAR")
        __C5_TMPVAR="${__C5_TMPVAR%/}/"
        if test -f "${__C5_TMPVAR}concrete/dispatcher.php"; then
            printf '%s' "${__C5_TMPVAR}"
            unset -v __C5_TMPVAR
            return 0
        fi
        if test "$__C5_TMPVAR" = '/'; then
            unset -v __C5_TMPVAR
            echo 'Unable to find the concrete5 web root directory' >&2
            return 1
        fi
    done
}

# Look for the concrete5 CLI entry point path
# Output:
#    the full path of the concrete5 CLI entry point
# Return:
#    0: success
#    1: concrete5 web root not found
#    2: CLI entry point not found
c5_getCliEntrypoint () {
    __C5_TMPVAR=`c5_getWebroot` || __C5_TMPVAR=''
    if test -z "$__C5_TMPVAR"; then
        unset -v __C5_TMPVAR
        return 1
    fi
    if test -f "${__C5_TMPVAR}concrete/bin/concrete5"; then
        printf '%sconcrete/bin/concrete5' "${__C5_TMPVAR}"
        unset -v __C5_TMPVAR
        return 0
    fi
    unset -v __C5_TMPVAR
    echo 'Unable to find the concrete5 CLI entry point' >&2
    return 2
}

# Execute a concrete5 CLI command, detecting the entry point from the current directory
# Output:
#    the output of the CLI command
# Return:
#    255: if the CLI entry point could not be found
#    other values: the result of the CLI command
c5 () (
    __C5_TMPVAR=`c5_getCliEntrypoint` || __C5_TMPVAR=''
    if test -z "$__C5_TMPVAR"; then
        return 255
    fi
    if test -z "${C5_SUDOAS:-}" || test "${C5_SUDOAS:-}" = "$(whoami)"; then
        "$__C5_TMPVAR" "$@"
        return $?
    fi
    sudo -u "$C5_SUDOAS" -- "$__C5_TMPVAR" "$@"
    return $?
)

# Check if this file has been "sourced".
# Greatly inspired by https://stackoverflow.com/a/28776166
__C5_TMPVAR=0
case "${C5_FORCE_SOURCE:-}" in
    1 | y* | Y*)
        __C5_TMPVAR=1
        ;;
    *)
        if test -n "${ZSH_EVAL_CONTEXT:-}"; then
            # zsh - Z-Shell
            case "$ZSH_EVAL_CONTEXT" in
                *:file)
                    __C5_TMPVAR=1
                    ;;
                *::file:cmdsubst)
                    __C5_TMPVAR=1
                    ;;
            esac
        elif test -n "${KSH_VERSION:-}"; then 
            # kzh - Korn shell
            if test $(cd -- "$(dirname -- "$0")" && printf '%s' "${PWD%/}/")$(basename -- "$0") != "${.sh.file}"; then
                __C5_TMPVAR=1
            fi
        elif test -n "${BASH_VERSION:-}"; then
            # bash - Bourne Again Shell
            (return 2>/dev/null) && __C5_TMPVAR=1 || true
        else
            # other
            case "$0" in
                sh|*ash)
                    __C5_TMPVAR=1
                    ;;
            esac
        fi
        ;;
esac

if test $__C5_TMPVAR -eq 0; then
    unset -v __C5_TMPVAR
    c5 "$@"
else
    unset -v __C5_TMPVAR
fi