linux - lessc exec 任务未在 Gradle 中执行

Question

这是我的任务:

task less(group:'web',dependsOn:checkDirs) << {
    file(skinsDir).listFiles().each { dir ->
        if (dir.isDirectory() && dir.list().contains("pmc.less")) {
            def inFile = dir.toPath().resolve("pmc.less").toString()
            def outFile = "$buildDir/css/skins/${dir.name}/pmc.css"
            def minOutFile = "$buildDir/css/skins/${dir.name}/pmc.min.css"
            exec {
                workingDir dir
                commandLine "lessc",inFile,">",outFile
            }
        }
    }
}

当我运行时

gradle -i less

然后命令在信息级输出中正确列出:

:flat_pmc:less
Executing task ':flat_pmc:less' (up-to-date check took 0.0 secs) due to:
  Task has not declared any outputs.
Starting process 'command 'lessc''. Working directory: /home/dys/dev/synosteel/flat_pmc/src/webapp/m3/skins/contrast Command: lessc /home/dys/dev/synosteel/flat_pmc/src/webapp/m3/skins/contrast/pmc.less > /home/dys/dev/synosteel/flat_pmc/build/css/skins/contrast/pmc.css
Successfully started process 'command 'lessc''
Starting process 'command 'lessc''. Working directory: /home/dys/dev/synosteel/flat_pmc/src/webapp/m3/skins/eggshell Command: lessc /home/dys/dev/synosteel/flat_pmc/src/webapp/m3/skins/eggshell/pmc.less > /home/dys/dev/synosteel/flat_pmc/build/css/skins/eggshell/pmc.css
Successfully started process 'command 'lessc''
Starting process 'command 'lessc''. Working directory: /home/dys/dev/synosteel/flat_pmc/src/webapp/m3/skins/sand Command: lessc /home/dys/dev/synosteel/flat_pmc/src/webapp/m3/skins/sand/pmc.less > /home/dys/dev/synosteel/flat_pmc/build/css/skins/sand/pmc.css
Successfully started process 'command 'lessc''
Starting process 'command 'lessc''. Working directory: /home/dys/dev/synosteel/flat_pmc/src/webapp/m3/skins/nebel Command: lessc /home/dys/dev/synosteel/flat_pmc/src/webapp/m3/skins/nebel/pmc.less > /home/dys/dev/synosteel/flat_pmc/build/css/skins/nebel/pmc.css
Successfully started process 'command 'lessc''
Starting process 'command 'lessc''. Working directory: /home/dys/dev/synosteel/flat_pmc/src/webapp/m3/skins/aqua Command: lessc /home/dys/dev/synosteel/flat_pmc/src/webapp/m3/skins/aqua/pmc.less > /home/dys/dev/synosteel/flat_pmc/build/css/skins/aqua/pmc.css
Successfully started process 'command 'lessc''
Starting process 'command 'lessc''. Working directory: /home/dys/dev/synosteel/flat_pmc/src/webapp/m3/skins/venezia Command: lessc /home/dys/dev/synosteel/flat_pmc/src/webapp/m3/skins/venezia/pmc.less > /home/dys/dev/synosteel/flat_pmc/build/css/skins/venezia/pmc.css
Successfully started process 'command 'lessc''
Starting process 'command 'lessc''. Working directory: /home/dys/dev/synosteel/flat_pmc/src/webapp/m3/skins/inverno Command: lessc /home/dys/dev/synosteel/flat_pmc/src/webapp/m3/skins/inverno/pmc.less > /home/dys/dev/synosteel/flat_pmc/build/css/skins/inverno/pmc.css
Successfully started process 'command 'lessc''
:flat_pmc:less (Thread[Daemon worker Thread 6,5,main]) completed. Took 1.722 secs.

“正确列出”是指如果我复制 lessc/home/dys/dev/synosteel/flat_pmc/src/webapp/m3/skins/venezia/pmc.less >/home/dys/dev/synosteel/flat_pmc/build/css/skins/venezia/pmc.css 直接在控制台运行，生成css文件。

但是使用 gradle 执行无法创建 css 文件。

这里发生了什么？

Answer 1

commandLine 仅用于传递命令名称和参数，不支持 shell 重定向语法。试试这个:

exec {
    workingDir dir
    commandLine "lessc",inFile
    standardOutput = new FileOutputStream(outFile)
}

Exec:commandLine
Exec:standardOutput
FileOutputStream