homemaker/task.go

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