102 lines
2.6 KiB
Go
102 lines
2.6 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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"os/exec"
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"strings"
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)
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type macro struct {
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Prefix []string
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Suffix []string
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}
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func processCmdMacro(macroName string, args []string, conf *config) error {
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var found bool
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for _, mn := range makeVariantNames(macroName, conf.variant) {
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m, ok := conf.Macros[mn]
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if !ok {
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continue
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}
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margs := appendExpEnv(nil, m.Prefix)
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margs = appendExpEnv(margs, args)
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margs = appendExpEnv(margs, m.Suffix)
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if conf.flags&flagVerbose != 0 {
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log.Printf("using macro: %s", mn)
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}
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return processCmd(margs, conf)
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}
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if !found {
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return fmt.Errorf("macro or variant not found: %s", macroName)
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}
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return nil
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}
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func processCmd(params []string, conf *config) error {
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args := appendExpEnv(nil, params)
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if len(args) == 0 {
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return fmt.Errorf("invalid command statement")
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}
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cmdName := args[0]
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if strings.HasPrefix(cmdName, "@") {
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var (
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macroName = strings.TrimPrefix(cmdName, "@")
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macroArgs []string
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)
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if len(args) > 1 {
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macroArgs = args[1:]
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}
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return processCmdMacro(macroName, macroArgs, conf)
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}
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var cmdArgs []string
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if len(args) > 1 {
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cmdArgs = args[1:]
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}
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if conf.flags&flagVerbose != 0 {
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log.Printf("executing command: %s %s", cmdName, strings.Join(cmdArgs, " "))
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}
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return try(func() error {
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cmd := exec.Command(cmdName, cmdArgs...)
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cmd.Dir = conf.dstDir
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cmd.Stderr = os.Stderr
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cmd.Stdout = os.Stdout
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cmd.Stdin = os.Stdin
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return cmd.Run()
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})
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}
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