1 files changed, 0 insertions, 181 deletions

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-#!/bin/sh
-# licenser: drop a little ol license in there
-# Author: Case Duckworth <acdw@acdw.net>
-# License: MIT
-# Version: 0.2
-
-# Constants
-## where to download licenses from
-PRGN="${0##*/}"
-: "${LICENSER_SOURCE:=https://git.sr.ht/~acdw/licenser-licenses/blob/master}"
-LICENSER_CACHE="${XDG_DATA_HOME:-$HOME/.local/share}/licenser"
-LICENSER_LICENSE="${LICENSER_LICENSE:-MIT}"
-EXEC="${EXEC:-true}"
-
-usage() {
-        cat <<EOF
-$PRGN: plop a license in your project
-
-usage:  $PRGN [-h|-m|-M]
-        $PRGN [-f] [-q] [-y YEAR] [-a AUTHOR] [-e EMAIL] 
-              [-l LANG] [-o FILE] [LICENSE]
-flags:
-        -h      show this help and exit
-        -m      list available licenses and exit
-        -M      list licenses, disregarding cached manifest
-        -f      overwrite existing license
-        -q      quiet: don't log anything
-options:
-        -y YEAR         set copyright date(s) to YEAR.
-                        default: \$(date +%Y).
-                        this option accepts arbitrary input.
-        -a AUTHOR       set copyright holder(s) to AUTHOR.
-                        default:
-                                - git config --get user.name
-                                - getent password \$USER
-                                - \$USER
-        -e EMAIL        set AUTHOR's email address to EMAIL.
-                        default:
-                                - git config --get user.email
-                                - [blank]
-        -l LANG         set license language to LANG.
-                        default: 'en' (subject to change)
-        -o FILE         set output file to FILE.
-                        default: LICENSE in \$PWD
-parameters:
-        LICENSE         which license to use.
-                        default: \$LICENSER_LICENSE, which
-                        defaults to MIT.
-EOF
-}
-
-# entry point
-licenser() {
-        _force=false  # don't replace licenses
-        _quiet=false  # log stuff
-        __OUT=LICENSE # default output file
-        __LANG=en     # default to en because it's got the most licenses XXX
-
-        while getopts hmMfqy:a:e:o:l:s: OPT; do
-                case "$OPT" in
-                h)
-                        usage
-                        exit 0
-                        ;;
-                f) _force=true ;;
-                m)
-                        list_licenses
-                        exit "$?"
-                        ;;
-                M)
-                        list_licenses -f
-                        exit "$?"
-                        ;;
-                q) _quiet=true ;;
-                y) __YEAR="$OPTARG" ;;
-                a) __AUTHOR="$OPTARG" ;;
-                e) __EMAIL="$OPTARG" ;;
-                o) __OUT="$OPTARG" ;;
-                l) __LANG="$OPTARG" ;;
-                *)
-                        usage
-                        exit 1
-                        ;;
-                esac
-        done
-        shift $((OPTIND - 1))
-        __LICENSE="${1:-$LICENSER_LICENSE}"
-
-        if ! __CACHED=$(get_license "$__LICENSE"); then
-                list_licenses
-                exit 2
-        fi
-
-        if [ -e "$__OUT" ] && ! $_force; then
-                log "File exists: $__OUT"
-                exit 3
-        fi
-
-        eval "$(
-                put "cat<<_END_LICENSE_"
-                cat "$__CACHED"
-                put
-                put "_END_LICENSE_"
-        )" >"$__OUT"
-
-        log "$__LICENSE written to $__OUT."
-}
-
-# download a license, or get it from the cache
-# if there's not one, return error
-get_license() {
-        license="$1"
-        cached="$LICENSER_CACHE/$license/$__LANG"
-        source="$LICENSER_SOURCE/$license/$__LANG"
-
-        mkdir -p "$LICENSER_CACHE/$license"
-        log "Checking cache for $license..."
-        if [ ! -f "$cached" ]; then
-                log "Not found. Downloading from $source..."
-                if ! curl -fLo "$cached" "$source"; then
-                        log "License $license unavailable in language: $__LANG"
-                        return 1
-                fi
-        fi
-        put "$cached"
-}
-
-# download a list of the licenses, or get it from the cache
-list_licenses() {
-        cached="$LICENSER_CACHE/manifest"
-        source="$LICENSER_SOURCE/manifest"
-
-        [ "x$1" = "x-r" ] && rm "$cached"
-
-        mkdir -p "$LICENSER_CACHE"
-        log "Checking cache for manifest..."
-        if [ ! -f "$cached" ]; then
-                log "Not found. Downloading from $source..."
-                if ! curl -fLo "$cached" "$LICENSER_SOURCE/manifest"; then
-                        log "Unable to get the manifest"
-                        return 1
-                fi
-        fi
-        cat "$cached"
-}
-
-# template function for the copyright year
-year() {
-        case "$__YEAR" in
-        '') # figure out the year
-                date +%Y ;;
-        *) # one was provided
-                put "$__YEAR" ;;
-        esac
-}
-
-# template function for author/owner
-author() {
-        if [ -z "$__AUTHOR" ]; then
-                __AUTHOR="$(git config --get user.name)" # try from git
-                [ -z "$__AUTHOR" ] && __AUTHOR="$(
-                        getent passwd "$USER" | awk -F: '{sub(/,+/,"",$5);print $5}'
-                )"                                     # or, try from getent
-                [ -z "$__AUTHOR" ] && __AUTHOR="$USER" # give up, get $USER
-        fi
-        put "$__AUTHOR"
-}
-
-email() {
-        if [ -z "$__EMAIL" ]; then
-                __EMAIL="$(git config --get user.email)" # try from git
-        fi
-        [ -n "$__EMAIL" ] && put "<$__EMAIL>"
-}
-
-# helpers
-put() { printf '%s\n' "$*"; }
-log() { $_quiet || put "$PRGN: $*" >&2; }
-
-# run
-$EXEC && licenser "$@"