142 lines
3.3 KiB
Go
142 lines
3.3 KiB
Go
/*
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* Copyright (c) 2015 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package main
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import (
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"fmt"
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"log"
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"os"
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)
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type task struct {
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Deps []string
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Links [][]string
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CmdsPre [][]string
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Cmds [][]string
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CmdsPost [][]string
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Envs [][]string
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Accepts [][]string
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Rejects [][]string
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}
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func (t *task) deps(conf *config) []string {
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deps := t.Deps
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if conf.flags&flagNoCmds == 0 {
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for _, currCmd := range t.Cmds {
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deps = append(deps, findCmdDeps(currCmd, conf)...)
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}
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}
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return deps
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}
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func (t *task) process(conf *config) error {
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for _, currTask := range t.deps(conf) {
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currTask = os.ExpandEnv(currTask)
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if err := processTask(currTask, conf); err != nil {
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return err
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}
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}
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for _, currEnv := range t.Envs {
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if err := processEnv(currEnv, conf); err != nil {
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return err
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}
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}
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if conf.flags&flagNoCmds == 0 {
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for _, currCmd := range t.CmdsPre {
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if err := processCmd(currCmd, true, conf); err != nil {
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return err
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}
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}
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for _, currCmd := range t.Cmds {
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if err := processCmd(currCmd, true, conf); err != nil {
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return err
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}
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}
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}
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if conf.flags&flagNoLinks == 0 {
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for _, currLink := range t.Links {
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if err := processLink(currLink, conf); err != nil {
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return err
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}
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}
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}
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if conf.flags&flagNoCmds == 0 {
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for _, currCmd := range t.CmdsPost {
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if err := processCmd(currCmd, true, conf); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func (t *task) skippable(conf *config) bool {
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for _, currCnd := range t.Accepts {
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if err := processCmd(currCnd, false, conf); err != nil {
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return true
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}
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}
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for _, currCnd := range t.Rejects {
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if err := processCmd(currCnd, false, conf); err == nil {
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return true
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}
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}
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return false
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}
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func processTask(taskName string, conf *config) error {
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for _, tn := range makeVariantNames(taskName, conf.variant) {
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t, ok := conf.Tasks[tn]
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if !ok {
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continue
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}
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if conf.handled[tn] || t.skippable(conf) {
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if conf.flags&flagVerbose != 0 {
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log.Printf("skipping task: %s", tn)
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}
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return nil
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}
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if conf.flags&flagVerbose != 0 {
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log.Printf("processing task: %s", tn)
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}
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conf.handled[tn] = true
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return t.process(conf)
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}
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return fmt.Errorf("task or variant not found: %s", taskName)
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}
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