I want to untar a file that is in .tar.xz
format. Gradle's tarTree()
does not support this format, so I need to unzip the .xz
to a .tar
, then I can make use of it.
According to the docs , i should be able to do something like this:
ant.untar(src: myTarFile, compression: "xz", dest: extractDir)
However, I get an error:
Caused by: : xz is not a legal value for this attribute
at org.apache.tools.ant.types.EnumeratedAttribute.setValue(EnumeratedAttribute.java:94)
This SO answer talks about using the Apache Ant Compress antlib within Maven. How can I achieve a similar result using Gradle?
Converting the Maven SO answer in your link would be something like:
configurations {
antCompress
}
dependencies {
antCompress 'org.apache.ant:ant-compress:1.4'
}
task untar {
ext {
xzFile = file('path/to/file.xz')
outDir = "$buildDir/untar"
}
inputs.file xzFile
outputs.dir outDir
doLast {
ant.taskdef(
resource:"org/apache/ant/compress/antlib.xml"
classpath: configurations.antCompress.asPath
)
ant.unxz(src:xzFile.absolutePath, dest:"$buildDir/unxz.tar" )
copy {
from tarTree("$buildDir/unxz.tar")
into outDir
}
}
}
Here's my solution that involves command line utilities.
task untar() {
inputs.property('archiveFile', 'path/to/file.xz')
inputs.property('dest', 'path/to/file.xz')
outputs.dir("${buildDir}/destination")
doLast {
mkdir("${buildDir}/destination")
exec {
commandLine('tar', 'xJf', inputs.properties.archiveFile, '-C', "${buildDir}/destination")
}
}
}
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