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Extract specifications and executables from the gem package

This commit is contained in:
R. Tyler Croy 2015-08-09 17:25:34 -07:00
parent 9eb78bba76
commit 34b6e0c2e6
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2 changed files with 39 additions and 9 deletions
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31
src/main/groovy/com/github/jrubygradle/groovygem/internal/GemInstaller.groovy
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@ -1,8 +1,12 @@
package com.github.jrubygradle.groovygem.internal
import org.apache.commons.io.IOUtils
import org.apache.commons.vfs2.AllFileSelector
import org.apache.commons.vfs2.FileFilter
import org.apache.commons.vfs2.FileFilterSelector
import org.apache.commons.vfs2.FileNotFolderException
import org.apache.commons.vfs2.FileObject
import org.apache.commons.vfs2.FileSelectInfo
import org.apache.commons.vfs2.FileSystemManager
import org.apache.commons.vfs2.VFS
import org.slf4j.Logger
@ -64,7 +68,9 @@ class GemInstaller {
FileObject dataTar = fileSystemManager.resolveFile("tgz:${tempTar}")
logger.info("The contents of our data.tar.gz: ${dataTar.children}")
extractSpecification(installDir, dataTar, gemMetadata)
extractSpecification(installDir, gemMetadata)
extractData(installDir, dataTar, gemMetadata)
extractExecutables(installDir, dataTar, gemMetadata)
//FileObject metadata = fileSystemManager.resolveFile("gz:tar:${gem.absolutePath}!/metadata.gz!metadata")
//StringWriter writer = new StringWriter()
@ -135,13 +141,24 @@ class GemInstaller {
Files.copy(gem.toPath(), (new File(cacheDir, gem.name)).toPath())
}
/** Extract the gemspec file from the dataTarGz provided into the ${installDir}/specifications */
protected void extractSpecification(File installDir, FileObject dataTarGz, Gem gem) {
FileObject gemspec = dataTarGz.getChild("${gem.name}.gemspec")
String outputFile = "${gem.name}-${gem.version}.gemspec"
/** Extract the gemspec file from the {@code Gem} provided into the ${installDir}/specifications */
protected void extractSpecification(File installDir, Gem gem) {
String outputFileName = "${gem.name}-${gem.version.version}.gemspec"
FileObject outputFile = fileSystemManager.resolveFile(new File(installDir, 'specifications'), outputFileName)
File specification = new File(installDir, ['specifications', outputFile].join(File.separator))
PrintWriter writer = new PrintWriter(outputFile.content.outputStream)
writer.write(gem.toRuby())
writer.flush()
}
IOUtils.copy(gemspec.content.inputStream, specification.newOutputStream())
protected void extractData(File installDir, FileObject dataTarGz, Gem gem) {
String dir = "${gem.name}-${gem.version.version}"
FileObject outputDir = fileSystemManager.resolveFile(new File(installDir, 'gems'), dir)
outputDir.copyFrom(dataTarGz, new AllFileSelector())
}
protected void extractExecutables(File installDir, FileObject dataTarGz, Gem gem) {
FileObject binObject = fileSystemManager.resolveFile(installDir, 'bin')
binObject.copyFrom(dataTarGz.getChild(gem.bindir), new AllFileSelector())
}
}

17
src/test/groovy/com/github/jrubygradle/groovygem/internal/GemInstallerSpec.groovy
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@ -8,7 +8,8 @@ import org.apache.commons.io.FileUtils
class GemInstallerSpec extends Specification {
static final String FIXTURES_ROOT = new File(['src', 'test', 'resources'].join(File.separator)).absolutePath
static final String GEM_FILENAME = 'thor-0.19.1.gem'
static final String GEM_NAME = 'thor-0.19.1'
static final String GEM_FILENAME = "${GEM_NAME}.gem"
static final String GEM_FIXTURE = [FIXTURES_ROOT, GEM_FILENAME].join(File.separator)
GemInstaller installer
@ -84,6 +85,7 @@ class GemInstallerIntegrationSpec extends Specification {
File dir = new File(installDir)
if (dir.exists() && dir.absolutePath.startsWith('/tmp')) {
println dir
FileUtils.deleteDirectory(dir)
}
}
@ -96,6 +98,17 @@ class GemInstallerIntegrationSpec extends Specification {
(new File(installDir, ['cache', GemInstallerSpec.GEM_FILENAME].join(File.separator))).exists()
and: "the ${installDir}/specifications dir should contain the gemspec"
(new File(installDir, ['specifications', "${GemInstallerSpec.GEM_FILENAME}spec"].join(File.separator))).exists()
File specification = new File(installDir, ['specifications', "${GemInstallerSpec.GEM_NAME}.gemspec"].join(File.separator))
specification.isFile()
specification.size() > 0
and: "the ${installDir}/gems/ directory should contain an extract of data.tar.gz"
File outputDir = new File(installDir, ['gems', GemInstallerSpec.GEM_NAME].join(File.separator))
outputDir.isDirectory()
(new File(outputDir, "thor.gemspec")).isFile()
and: "the executable should be placed in ${installDir}/bin"
File binFile = new File(installDir, ['bin', 'thor'].join(File.separator))
binFile.isFile()
}
}