/*
    *    Copyright 2011-2024 the original author or authors.
    *
    *    This program is free software; you can redistribute it and/or
    *    modify it under the terms of the GNU General Public License
    *    as published by the Free Software Foundation; either version 2
    *    of the License, or (at your option) any later version.
    *
    *    You may obtain a copy of the License at
   *
   *       https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html
   *
   *    This program is distributed in the hope that it will be useful,
   *    but WITHOUT ANY WARRANTY; without even the implied warranty of
   *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *    GNU General Public License for more details.
   */
  package com.hazendaz.maven.makeself;
  
  import com.google.common.base.Joiner;
  
  import java.io.BufferedInputStream;
  import java.io.BufferedReader;
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.nio.charset.StandardCharsets;
  import java.nio.file.Files;
  import java.nio.file.Path;
  import java.nio.file.StandardCopyOption;
  import java.nio.file.attribute.PosixFilePermission;
  import java.nio.file.attribute.PosixFilePermissions;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import javax.inject.Inject;
  
  import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
  import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
  import org.apache.commons.compress.compressors.gzip.GzipCompressorInputStream;
  import org.apache.commons.io.FilenameUtils;
  import org.apache.maven.plugin.AbstractMojo;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.plugins.annotations.LifecyclePhase;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.project.MavenProject;
  import org.apache.maven.project.MavenProjectHelper;
  import org.eclipse.aether.RepositorySystem;
  import org.eclipse.aether.RepositorySystemSession;
  import org.eclipse.aether.artifact.Artifact;
  import org.eclipse.aether.artifact.DefaultArtifact;
  import org.eclipse.aether.repository.RemoteRepository;
  import org.eclipse.aether.resolution.ArtifactRequest;
  import org.eclipse.aether.resolution.ArtifactResolutionException;
  import org.eclipse.aether.resolution.ArtifactResult;
  
  /**
   * The Class MakeselfMojo.
   */
  @Mojo(name = "makeself", defaultPhase = LifecyclePhase.VERIFY, requiresProject = false)
  public class MakeselfMojo extends AbstractMojo {
  
      /**
       * isWindows is detected at start of plugin to ensure windows needs.
       */
      private static final boolean WINDOWS = System.getProperty("os.name").startsWith("Windows");
  
      /**
       * The path to git which is left blank unless portable git is used.
       */
      private String gitPath = "";
  
      /**
       * archive_dir is the name of the directory that contains the files to be archived.
       */
      @Parameter(defaultValue = "makeself", property = "archiveDir", required = true)
      private String archiveDir;
  
      /**
       * file_name is the name of the archive to be created.
       */
      @Parameter(defaultValue = "makeself.sh", property = "fileName", required = true)
      private String fileName;
  
      /**
       * label is an arbitrary text string describing the package. It will be displayed while extracting the files.
       */
      @Parameter(defaultValue = "Makeself self-extractable archive", property = "label", required = true)
      private String label;
  
      /**
       * startup_script is the command to be executed from within the directory of extracted files. Thus, if you wish to
       * execute a program contained in this directory, you must prefix your command with './'. For example, './program'
      * will be fine.
      */
     @Parameter(defaultValue = "./makeself.sh", property = "startupScript", required = true)
     private String startupScript;
 
     /**
      * extension is for type of fileName being created. It defaults to 'sh' for backwards compatibility. Makeself
      * defines 'run' as its default, therefore when using 'run', set extension to 'run'. This extension is used when
      * attaching resulting artifact to maven.
      *
      * @since 1.5.0
      */
     @Parameter(defaultValue = "sh", property = "extension")
     private String extension;
 
     /**
      * classifier is for fileName being created to allow for more than one. If not defined, multiple artifacts will all
      * be installed to same m2 location. The artifact will take on the project artifact where classfier is the physical
      * name attribute you which to create for the fileName.
      *
      * @since 1.5.0
      */
     @Parameter(property = "classifier")
     private String classifier;
 
     /**
      * inline script allows user to skip strict verification of startup script for cases where script is defined
      * directly such as 'echo hello' where 'echo' is a 'program' to run and 'hello' is one of many 'script arguments'.
      * Behaviour of makeself plugin prior to 1.5.0 allowed for this undocumented feature which is further allowed and
      * shown as an example in makeself. Verification therefore checks that both startupScript and scriptArgs exist only.
      *
      * @since 1.5.1
      */
     @Parameter(property = "inlineScript")
     private boolean inlineScript;
 
     /**
      * script_args are additional arguments for startup_script passed as an array.
      *
      * <pre>
      * {@code
      * <scriptArgs>
      *   <scriptArg>arg1</scriptArg>
      *   <scriptArg>arg2</scriptArg>
      * </scriptArgs>
      * }
      * </pre>
      */
     @Parameter(property = "scriptArgs")
     private List<String> scriptArgs;
 
     /**
      * --version | -v : Print out Makeself version number and exit
      *
      * @since 1.6.0
      */
     @Parameter(property = "version")
     private Boolean version;
 
     /**
      * --help | -h : Print out this help message and exit (exit is custom to makeself maven plugin).
      */
     @Parameter(property = "help")
     private Boolean help;
 
     /**
      * --tar-quietly : Suppress verbose output from the tar command.
      *
      * @since 1.6.0
      */
     @Parameter(property = "tarQuietly")
     private Boolean tarQuietly;
 
     /**
      * --quiet | -q : Do not print any messages other than errors.
      *
      * @since 1.6.0
      */
     @Parameter(property = "quiet")
     private Boolean quiet;
 
     /**
      * --gzip : Use gzip for compression (the default on platforms on which gzip is commonly available, like Linux).
      */
     @Parameter(property = "gzip")
     private Boolean gzip;
 
     /**
      * --bzip2 : Use bzip2 instead of gzip for better compression. The bzip2 command must be available in the command
      * path. It is recommended that the archive prefix be set to something like '.bz2.run', so that potential users know
      * that they'll need bzip2 to extract it.
      */
     @Parameter(property = "bzip2")
     private Boolean bzip2;
 
     /**
      * --bzip3 : Use bzip3 instead of gzip for better compression. The bzip3 command must be available in the command
      * path. It is recommended that the archive prefix be set to something like '.bz3.run', so that potential users know
      * that they'll need bzip3 to extract it.
      *
      * @since 1.6.0
      */
     @Parameter(property = "bzip3")
     private Boolean bzip3;
 
     /**
      * --pbzip2 : Use pbzip2 instead of gzip for better and faster compression on machines having multiple CPUs. The
      * pbzip2 command must be available in the command path. It is recommended that the archive prefix be set to
      * something like '.pbz2.run', so that potential users know that they'll need bzip2 to extract it.
      */
     @Parameter(property = "pbzip2")
     private Boolean pbzip2;
 
     /**
      * --xz : Use xz instead of gzip for better compression. The xz command must be available in the command path. It is
      * recommended that the archive prefix be set to something like '.xz.run' for the archive, so that potential users
      * know that they'll need xz to extract it.
      */
     @Parameter(property = "xz")
     private Boolean xz;
 
     /**
      * --lzo : Use lzop instead of gzip for better compression. The lzop command must be available in the command path.
      * It is recommended that the archive prefix be set to something like '.lzo.run' for the archive, so that potential
      * users know that they'll need lzop to extract it.
      */
     @Parameter(property = "lzo")
     private Boolean lzo;
 
     /**
      * --lz4 : Use lz4 instead of gzip for better compression. The lz4 command must be available in the command path. It
      * is recommended that the archive prefix be set to something like '.lz4.run' for the archive, so that potential
      * users know that they'll need lz4 to extract it.
      */
     @Parameter(property = "lz4")
     private Boolean lz4;
 
     /**
      * --zstd : Use zstd for compression.
      */
     @Parameter(property = "zstd")
     private Boolean zstd;
 
     /**
      * --pigz : Use pigz for compression.
      */
     @Parameter(property = "pigz")
     private Boolean pigz;
 
     /**
      * --base64 : Encode the archive to ASCII in Base64 format (base64 command required).
      */
     @Parameter(property = "base64")
     private Boolean base64;
 
     /**
      * --gpg-encrypt : Encrypt the archive using gpg -ac -z $COMPRESS_LEVEL. This will prompt for a password to encrypt
      * with. Assumes that potential users have gpg installed.
      */
     @Parameter(property = "gpgEncrypt")
     private Boolean gpgEncrypt;
 
     /**
      * --gpg-asymmetric-encrypt-sign : Instead of compressing, asymmetrically encrypt and sign the data using GPG."
      */
     @Parameter(property = "gpgAsymmetricEncryptSign")
     private Boolean gpgAsymmetricEncryptSign;
 
     /**
      * --ssl-encrypt : Encrypt the archive using openssl aes-256-cbc -a -salt. This will prompt for a password to
      * encrypt with. Assumes that the potential users have the OpenSSL tools installed.
      */
     @Parameter(property = "sslEncrypt")
     private Boolean sslEncrypt;
 
     /**
      * --ssl-passwd pass : Use the given password to encrypt the data using OpenSSL.
      */
     @Parameter(property = "sslPasswd")
     private String sslPasswd;
 
     /**
      * --ssl-pass-src : Use the given src as the source of password to encrypt the data using OpenSSL. See \"PASS PHRASE
      * ARGUMENTS\" in man openssl. If this option is not supplied, the user wil be asked to enter encryption pasword on
      * the current terminal.
      */
     @Parameter(property = "sslPassSrc")
     private String sslPassSrc;
 
     /**
      * --ssl-no-md : Do not use \"-md\" option not supported by older OpenSSL.
      */
     @Parameter(property = "sslNoMd")
     private Boolean sslNoMd;
 
     /**
      * --compress : Use the UNIX compress command to compress the data. This should be the default on all platforms that
      * don't have gzip available.
      */
     @Parameter(property = "compress")
     private Boolean compress;
 
     /**
      * --complevel : Specify the compression level for gzip, bzip2, bzip3, pbzip2, xz, lzo or lz4. (defaults to 9).
      */
     @Parameter(property = "complevel")
     private Integer complevel;
 
     /**
      * --nochown : Do not give the target folder to the current user (default)
      *
      * @since 1.6.0
      */
     @Parameter(property = "nochown")
     private Boolean nochown;
 
     /**
      * --chown : Give the target folder to the current user recursively
      *
      * @since 1.6.0
      */
     @Parameter(property = "chown")
     private Boolean chown;
 
     /**
      * --nocomp : Do not use any compression for the archive, which will then be an uncompressed TAR.
      */
     @Parameter(property = "nocomp")
     private Boolean nocomp;
 
     /**
      * --threads : Specify the number of threads to be used by compressors that support parallelization. Omit to use
      * compressor's default. Most useful (and required) for opting into xz's threading, usually with --threads=0 for all
      * available cores. pbzip2 and pigz are parallel by default, and setting this value allows limiting the number of
      * threads they use.
      */
     @Parameter(property = "threads")
     private Integer threads;
 
     /**
      * --notemp : The generated archive will not extract the files to a temporary directory, but in a new directory
      * created in the current directory. This is better to distribute software packages that may extract and compile by
      * themselves (i.e. launch the compilation through the embedded script).
      */
     @Parameter(property = "notemp")
     private Boolean notemp;
 
     /**
      * --needroot : Check that the root user is extracting the archive before proceeding
      *
      * @since 1.6.0
      */
     @Parameter(property = "needroot")
     private Boolean needroot;
 
     /**
      * --current : Files will be extracted to the current directory, instead of in a subdirectory. This option implies
      * --notemp and ddoes not require aq startup_script.
      */
     @Parameter(property = "current")
     private Boolean current;
 
     /**
      * --follow : Follow the symbolic links inside of the archive directory, i.e. store the files that are being pointed
      * to instead of the links themselves.
      */
     @Parameter(property = "follow")
     private Boolean follow;
 
     /**
      * --noprogress : Do not show the progress during the decompression
      *
      * @since 1.6.0
      */
     @Parameter(property = "noprogress")
     private Boolean noprogress;
 
     /**
      * --append (new in 2.1.x): Append data to an existing archive, instead of creating a new one. In this mode, the
      * settings from the original archive are reused (compression type, label, embedded script), and thus don't need to
      * be specified again on the command line.
      */
     @Parameter(property = "append")
     private Boolean append;
 
     /**
      * --header: Makeself 2.0 uses a separate file to store the header stub, called makeself-header.sh. By default, it
      * is assumed that it is stored in the same location as makeself.sh. This option can be used to specify its actual
      * location if it is stored someplace else. This is not required for this plugin as the header is provided.
      */
     @Parameter(property = "headerFile")
     private String headerFile;
 
     /**
      * --preextract: Specify a pre-extraction script. The script is executed with the same environment and initial
      * `script_args` as `startup_script`.
      *
      * @since 1.7.0
      */
     @Parameter(property = "preextractScript")
     private String preextractScript;
 
     /**
      * --cleanup: Specify a script that is run when execution is interrupted or finishes successfully. The script is
      * executed with the same environment and initial `script_args` as `startup_script`.
      */
     @Parameter(property = "cleanupScript")
     private String cleanupScript;
 
     /**
      * --copy : Upon extraction, the archive will first extract itself to a temporary directory. The main application of
      * this is to allow self-contained installers stored in a Makeself archive on a CD, when the installer program will
      * later need to unmount the CD and allow a new one to be inserted. This prevents "Filesystem busy" errors for
      * installers that span multiple CDs.
      */
     @Parameter(property = "copy")
     private Boolean copy;
 
     /** --nox11 : Disable the automatic spawning of a new terminal in X11. */
     @Parameter(property = "nox11")
     private Boolean nox11;
 
     /** --nowait : Do not wait for user input after executing embedded program from an xterm. */
     @Parameter(property = "nowait")
     private Boolean nowait;
 
     /**
      * --nomd5 : Disable the creation of a MD5 checksum for the archive. This speeds up the extraction process if
      * integrity checking is not necessary.
      */
     @Parameter(property = "nomd5")
     private Boolean nomd5;
 
     /**
      * --nocrc : Disable the creation of a CRC checksum for the archive. This speeds up the extraction process if
      * integrity checking is not necessary.
      */
     @Parameter(property = "nocrc")
     private Boolean nocrc;
 
     /**
      * --sha256 : Compute a SHA256 checksum for the archive.
      */
     @Parameter(property = "sha256")
     private Boolean sha256;
 
     /**
      * --sign passphrase : Signature private key to sign the package with.
      *
      * @since 1.6.0
      */
     @Parameter(property = "signPassphrase")
     private String signPassphrase;
 
     /**
      * --lsm file : Provide and LSM file to makeself, that will be embedded in the generated archive. LSM files are
      * describing a software package in a way that is easily parseable. The LSM entry can then be later retrieved using
      * the --lsm argument to the archive. An example of a LSM file is provided with Makeself.
      */
     @Parameter(property = "lsmFile")
     private String lsmFile;
 
     /**
      * --gpg-extra opt : Append more options to the gpg command line.
      */
     @Parameter(property = "gpgExtraOpt")
     private String gpgExtraOpt;
 
     /**
      * --tar-format opt :Specify the tar archive format (default is ustar); you may use any value accepted by your tar
      * command (such as posix, v7, etc).
      */
     @Parameter(property = "tarFormatOpt")
     private String tarFormatOpt;
 
     /**
      * --tar-extra opt : Append more options to the tar command line.
      * <p>
      * For instance, in order to exclude the .git directory from the packaged archive directory using the GNU tar, one
      * can use makeself.sh --tar-extra "--exclude=.git" ...
      */
     @Parameter(property = "tarExtraOpt")
     private String tarExtraOpt;
 
     /**
      * --untar-extra opt : Append more options to the during the extraction of the tar archive.
      */
     @Parameter(property = "untarExtraOpt")
     private String untarExtraOpt;
 
     /**
      * --target dir : Specify the directory where the archive will be extracted. This option implies --notemp and does
      * not require a startup_script.
      *
      * @since 1.6.0
      */
     private String extractTargetDir;
 
     /**
      * --keep-umask : Keep the umask set to shell default, rather than overriding when executing self-extracting
      * archive.
      */
     @Parameter(property = "keepUmask")
     private Boolean keepUmask;
 
     /**
      * --export-conf : Export configuration variables to startup_script.
      */
     @Parameter(property = "exportConf")
     private Boolean exportConf;
 
     /**
      * --packaging-date date : Use provided string as the packaging date instead of the current date.
      */
     @Parameter(property = "packagingDate")
     private String packagingDate;
 
     /**
      * --license : Append a license file.
      */
     @Parameter(property = "licenseFile")
     private String licenseFile;
 
     /**
      * --nooverwrite : Do not extract the archive if the specified target directory already exists.
      */
     @Parameter(property = "nooverwrite")
     private Boolean nooverwrite;
 
     /**
      * --help-header file : Add a header to the archive's --help output.
      */
     @Parameter(property = "helpHeaderFile")
     private String helpHeaderFile;
 
     /** Skip run of plugin. */
     @Parameter(defaultValue = "false", property = "makeself.skip")
     private boolean skip;
 
     /** Auto run : When set to true, resulting shell will be run. This is useful for testing purposes. */
     @Parameter(defaultValue = "false", property = "autoRun")
     private boolean autoRun;
 
     /** The build target. */
     @Parameter(defaultValue = "${project.build.directory}/", readonly = true)
     private String buildTarget;
 
     /** The makeself temp directory. */
     @Parameter(defaultValue = "${project.build.directory}/makeself-tmp/", readonly = true)
     private File makeselfTempDirectory;
 
     /** Maven ProjectHelper. */
     @Inject
     private MavenProjectHelper projectHelper;
 
     /** Maven Artifact Factory. */
     @Inject
     private RepositorySystem repositorySystem;
 
     /** Maven Project. */
     @Parameter(defaultValue = "${project}", readonly = true, required = true)
     private MavenProject project;
 
     /** Maven Repository System Session. */
     @Parameter(defaultValue = "${repositorySystemSession}", readonly = true, required = true)
     private RepositorySystemSession repoSession;
 
     /** Maven Remote Repositories. */
     @Parameter(defaultValue = "${project.remoteProjectRepositories}", readonly = true, required = true)
     protected List<RemoteRepository> remoteRepositories;
 
     /** The makeself. */
     private File makeself;
 
     /** Static ATTACH_ARTIFACT to maven lifecycle. */
     private static final boolean ATTACH_ARTIFACT = true;
 
     /** Portable Git. */
     private PortableGit portableGit;
 
     @Override
     public void execute() throws MojoExecutionException, MojoFailureException {
         // Check if plugin run should be skipped
         if (this.skip) {
             getLog().info("Makeself is skipped");
             return;
         }
 
         // Validate archive directory exists
         File file = new File(buildTarget.concat(archiveDir));
         if (!file.exists()) {
             throw new MojoExecutionException("ArchiveDir: missing '" + buildTarget.concat(archiveDir) + "'");
         }
 
         // Validate inline script or startup script file
         if (inlineScript) {
             // Validate inline script has script args
             if (scriptArgs == null) {
                 throw new MojoExecutionException("ScriptArgs required when running inlineScript");
             }
         } else {
             // Validate startupScript file starts with './'
             if (!startupScript.startsWith("./")) {
                 throw new MojoExecutionException("StartupScript required to start with './'");
             }
 
             // Validate startupScript file exists
             file = new File(buildTarget.concat(archiveDir).concat(startupScript.substring(1)));
             if (!file.exists()) {
                 throw new MojoExecutionException("StartupScript: missing '"
                         + buildTarget.concat(archiveDir).concat(startupScript.substring(1)) + "'");
             }
         }
 
         // Setup make self files
         this.extractMakeself();
 
         // Check git setup
         if (MakeselfMojo.WINDOWS) {
             this.checkGitSetup();
         }
 
         try {
             // Output version of bash
             getLog().debug("Execute Bash Version");
             execute(Arrays.asList(gitPath + "bash", "--version"), !ATTACH_ARTIFACT);
 
             // Output version of makeself.sh
             getLog().debug("Execute Makeself Version");
             execute(Arrays.asList(gitPath + "bash", makeself.getAbsolutePath(), "--version"), !ATTACH_ARTIFACT);
 
             // If version arguments supplied, exit as we just printed version.
             if (isTrue(version)) {
                 return;
             }
 
             // If help arguments supplied, write output and get out of code.
             if (isTrue(help)) {
                 getLog().debug("Execute Makeself Help");
                 execute(Arrays.asList(gitPath + "bash", makeself.getAbsolutePath(), "--help"), !ATTACH_ARTIFACT);
                 return;
             }
 
             // Basic Configuration
             getLog().debug("Loading Makeself Basic Configuration");
             List<String> target = new ArrayList<>();
             target.addAll(Arrays.asList(gitPath + "bash", makeself.getAbsolutePath()));
             target.addAll(loadArgs());
             target.add(buildTarget.concat(archiveDir));
             target.add(buildTarget.concat(fileName));
             target.add(label);
             target.add(startupScript);
             if (scriptArgs != null) {
                 target.addAll(scriptArgs);
             }
 
             // Indicate makeself running
             getLog().info("Running makeself build");
 
             // Execute main run of makeself.sh
             getLog().debug("Execute Makeself Build");
             execute(target, ATTACH_ARTIFACT);
 
             // Output info on file makeself created
             getLog().debug("Execute Makeself Info on Resulting Shell Script");
             execute(Arrays.asList(gitPath + "bash", buildTarget.concat(fileName), "--info"), !ATTACH_ARTIFACT);
 
             // Output list on file makeself created (non windows need)
             if (!MakeselfMojo.WINDOWS) {
                 getLog().debug("Execute Makeself List on Resulting Shell Script");
                 execute(Arrays.asList(gitPath + "bash", buildTarget.concat(fileName), "--list"), !ATTACH_ARTIFACT);
             }
 
             // auto run script
             if (this.autoRun) {
                 getLog().info("Auto-run created shell (this may take a few minutes)");
                 execute(Arrays.asList(gitPath + "bash", buildTarget.concat(fileName)), !ATTACH_ARTIFACT);
             }
         } catch (IOException e) {
             getLog().error("", e);
         } catch (InterruptedException e) {
             getLog().error("", e);
             // restore interruption status of the corresponding thread
             Thread.currentThread().interrupt();
         }
     }
 
     private void execute(List<String> target, boolean attach) throws IOException, InterruptedException {
 
         // Log execution target
         getLog().debug("Execution commands: " + target);
 
         // Create Process Builder
         ProcessBuilder processBuilder = new ProcessBuilder(target);
         processBuilder.redirectErrorStream(true);
 
         // Add portable git to windows environment
         if (MakeselfMojo.WINDOWS) {
             Map<String, String> envs = processBuilder.environment();
             getLog().debug("Environment Variables: " + envs);
             final String location = repoSession.getLocalRepository().getBasedir() + File.separator
                     + this.portableGit.getName() + File.separator + this.portableGit.getVersion();
             // Windows cmd/powershell shows "Path" in this case
             if (envs.get("Path") != null) {
                 envs.put("Path", location + "/usr/bin;" + envs.get("Path"));
                 getLog().debug("Environment Path Variable: " + envs.get("Path"));
                 // Windows bash shows "PATH" in this case and has issues with spacing as in 'Program Files'
             } else if (envs.get("PATH") != null) {
                 envs.put("PATH",
                         location + "/usr/bin;" + envs.get("PATH").replace("Program Files", "\"Program Files\""));
                 getLog().debug("Environment Path Variable: " + envs.get("PATH"));
             }
         }
 
         // Create Process
         Process process = processBuilder.start();
 
         // Write process output
         try (BufferedReader reader = new BufferedReader(
                 new InputStreamReader(process.getInputStream(), StandardCharsets.UTF_8))) {
             String line = "";
             while ((line = reader.readLine()) != null) {
                 getLog().info(line);
             }
             getLog().info("");
         }
 
         // Wait for process completion
         int status = process.waitFor();
         if (status > 0) {
             getLog().error(Joiner.on(" ").join("makeself failed with error status:", status));
         }
 
         // Attach artifact to maven build for install/deploy/release on success
         if (status == 0 && attach) {
             projectHelper.attachArtifact(project, this.extension, this.classifier,
                     new File(buildTarget, FilenameUtils.getName(fileName)));
         }
     }
 
     /**
      * Extract makeself.
      */
     private void extractMakeself() {
         getLog().debug("Extracting Makeself");
 
         // Create makeself directory
         File makeselfTemp = new File(makeselfTempDirectory.getAbsolutePath());
         if (!makeselfTemp.exists() && !makeselfTemp.mkdirs()) {
             getLog().error(Joiner.on(" ").join("Unable to make directory", makeselfTempDirectory.getAbsolutePath()));
             return;
         } else {
             getLog().debug(Joiner.on(" ").join("Created directory for", makeselfTempDirectory.getAbsolutePath()));
         }
 
         ClassLoader classloader = this.getClass().getClassLoader();
 
         // Write makeself script
         makeself = new File(makeselfTempDirectory, "makeself.sh");
         if (!makeself.exists()) {
             getLog().debug("Writing makeself.sh");
             try (InputStream link = classloader.getResourceAsStream("META-INF/makeself/makeself.sh")) {
                 Path path = makeself.getAbsoluteFile().toPath();
                 Files.copy(link, path);
                 setFilePermissions(makeself);
                 setPosixFilePermissions(path);
             } catch (IOException e) {
                 getLog().error("", e);
             }
         }
 
         // Write makeself-header script
         File makeselfHeader = new File(makeselfTempDirectory, "makeself-header.sh");
         if (!makeselfHeader.exists()) {
             getLog().debug("Writing makeself-header.sh");
             try (InputStream link = classloader.getResourceAsStream("META-INF/makeself/makeself-header.sh")) {
                 Path path = makeselfHeader.getAbsoluteFile().toPath();
                 Files.copy(link, path);
                 setFilePermissions(makeselfHeader);
                 setPosixFilePermissions(path);
             } catch (IOException e) {
                 getLog().error("", e);
             }
         }
     }
 
     /**
      * Check Git Setup.
      *
      * @throws MojoFailureException
      *             the mojo failure exception
      */
     private void checkGitSetup() throws MojoFailureException {
         // Get Portable Git Maven Information
         this.portableGit = new PortableGit(getLog());
 
         // Extract Portable Git
         this.extractPortableGit();
     }
 
     /**
      * Extract Portable Git.
      *
      * @throws MojoFailureException
      *             failure retrieving portable git
      */
     private void extractPortableGit() throws MojoFailureException {
         final String location = repoSession.getLocalRepository().getBasedir() + File.separator
                 + this.portableGit.getName() + File.separator + this.portableGit.getVersion();
         if (new File(location).exists()) {
             getLog().debug("Existing 'PortableGit' folder found at " + location);
             gitPath = location + "/usr/bin/";
             return;
         }
 
         getLog().info("Loading portable git");
         final Artifact artifact = new DefaultArtifact(this.portableGit.getGroupId(), this.portableGit.getArtifactId(),
                 this.portableGit.getClassifier(), this.portableGit.getExtension(), this.portableGit.getVersion());
         final ArtifactRequest artifactRequest = new ArtifactRequest().setRepositories(this.remoteRepositories)
                 .setArtifact(artifact);
         ArtifactResult resolutionResult = null;
         try {
             resolutionResult = repositorySystem.resolveArtifact(repoSession, artifactRequest);
             if (!resolutionResult.isResolved()) {
                 throw new MojoFailureException("Unable to resolve artifact: " + artifact.getGroupId() + ":"
                         + artifact.getArtifactId() + ":" + artifact.getVersion() + ":" + artifact.getClassifier() + ":"
                         + artifact.getExtension());
             }
         } catch (ArtifactResolutionException e) {
             throw new MojoFailureException(
                     "Unable to resolve artifact: " + artifact.getGroupId() + ":" + artifact.getArtifactId() + ":"
                             + artifact.getVersion() + ":" + artifact.getClassifier() + ":" + artifact.getExtension());
         }
         this.installGit(resolutionResult.getArtifact(), location);
     }
 
     /**
      * Install Git extracts git to .m2/repository under PortableGit.
      *
      * @param artifact
      *            the maven artifact representation for git
      * @param location
      *            the location in maven repository to store portable git
      */
     private void installGit(final Artifact artifact, final String location) {
         File currentFile = null;
 
         // Unzip 'tar.gz' from repository under 'com/github/hazendaz/git/git-for-windows' into
         // .m2/repository/PortableGit
         try (TarArchiveInputStream tarArchiveInputStream = new TarArchiveInputStream(new GzipCompressorInputStream(
                 new BufferedInputStream(Files.newInputStream(artifact.getFile().toPath()))))) {
             TarArchiveEntry entry;
             String directory = repoSession.getLocalRepository().getBasedir() + File.separator
                     + this.portableGit.getName();
             while ((entry = tarArchiveInputStream.getNextEntry()) != null) {
                 if (entry.isDirectory()) {
                     continue;
                 }
                 currentFile = new File(directory, entry.getName());
                 if (!currentFile.toPath().normalize().startsWith(directory)) {
                     throw new IOException("Bad zip entry, possible directory traversal");
                 }
                 File parent = currentFile.getParentFile();
                 if (!parent.exists()) {
                     parent.mkdirs();
                 }
                 getLog().debug("Current file: " + currentFile.getName());
                 Files.copy(tarArchiveInputStream, currentFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
             }
         } catch (IOException e) {
             getLog().error("", e);
         }
 
         try {
             if (currentFile != null) {
                 // Extract Portable Git
                 getLog().debug("Extract Portable Git");
                 execute(Arrays.asList(currentFile.toPath().toString(), "-y", "-o", location), !ATTACH_ARTIFACT);
                 gitPath = location + "/usr/bin/";
             }
         } catch (IOException e) {
             getLog().error("", e);
         } catch (InterruptedException e) {
             getLog().error("", e);
             // restore interruption status of the corresponding thread
             Thread.currentThread().interrupt();
         }
     }
 
     private void setFilePermissions(File file) {
         if (!file.setExecutable(true, true)) {
             getLog().error(Joiner.on(" ").join("Unable to set executable:", file.getName()));
         } else {
             getLog().debug(Joiner.on(" ").join("Set executable for", file.getName()));
         }
     }
 
     private void setPosixFilePermissions(Path path) {
         final Set<PosixFilePermission> permissions = PosixFilePermissions.fromString("rwxr-xr--");
 
         try {
             Files.setPosixFilePermissions(path, permissions);
             getLog().debug(Joiner.on(" ").join("Set Posix File Permissions for", path, "as", permissions));
         } catch (IOException e) {
             getLog().error("Failed attempted Posix permissions", e);
         } catch (UnsupportedOperationException e) {
             // Attempting but don't care about status if it fails
             getLog().debug("Failed attempted Posix permissions", e);
         }
     }
 
     /**
      * Load args.
      *
      * @return the string
      */
     private List<String> loadArgs() {
         getLog().debug("Loading arguments");
 
         List<String> args = new ArrayList<>(50);
 
         // " --tar-quietly : Suppress verbose output from the tar command"
         if (isTrue(tarQuietly)) {
             args.add("--tar-quietly");
         }
 
         // " --quiet | -q : Do not print any messages other than errors."
         if (isTrue(quiet)) {
             args.add("--quiet");
         }
 
         // --gzip : Use gzip for compression (the default on platforms on which gzip is commonly available, like Linux)
         if (isTrue(gzip)) {
             args.add("--gzip");
         }
 
         // --bzip2 : Use bzip2 instead of gzip for better compression. The bzip2 command must be available in the
         // command path. It is recommended that the archive prefix be set to something like '.bz2.run', so that
         // potential users know that they'll need bzip2 to extract it.
         if (isTrue(bzip2)) {
             args.add("--bzip2");
         }
 
         // --bzip3 : Use bzip3 instead of gzip for better compression. The bzip3 command must be available in the
         // command path. It is recommended that the archive prefix be set to something like '.bz3.run', so that
         // potential users know that they'll need bzip3 to extract it.
         if (isTrue(bzip3)) {
             args.add("--bzip3");
         }
 
         // --pbzip2 : Use pbzip2 instead of gzip for better and faster compression on machines having multiple CPUs.
         // The pbzip2 command must be available in the command path. It is recommended that the archive prefix be
         // set to something like '.pbz2.run', so that potential users know that they'll need bzip2 to extract it.
         if (isTrue(pbzip2)) {
             args.add("--pbzip2");
         }
 
         // --xz : Use xz instead of gzip for better compression. The xz command must be available in the command path.
         // It is recommended that the archive prefix be set to something like '.xz.run' for the archive, so that
         // potential users know that they'll need xz to extract it.
         if (isTrue(xz)) {
             args.add("--xz");
         }
 
         // --lzo : Use lzop instead of gzip for better compression. The lzop command must be available in the command
         // path. It is recommended that the archive prefix be set to something like '.lzo.run' for the archive, so
         // that potential users know that they'll need lzop to extract it.
         if (isTrue(lzo)) {
             args.add("--lzo");
         }
 
         // --lz4 : Use lz4 instead of gzip for better compression. The lz4 command must be available in the command
         // path. It is recommended that the archive prefix be set to something like '.lz4.run' for the archive, so
         // that potential users know that they'll need lz4 to extract it.
         if (isTrue(lz4)) {
             args.add("--lz4");
         }
 
         // --zstd : Use zstd for compression.
         if (isTrue(zstd)) {
             args.add("--zstd");
         }
 
         // --pigz : Use pigz for compression.
         if (isTrue(pigz)) {
             args.add("--pigz");
         }
 
         // --base64 : Encode the archive to ASCII in Base64 format (base64 command required).
         if (isTrue(base64)) {
             args.add("--base64");
         }
 
         // --gpg-encrypt : Encrypt the archive using gpg -ac -z $COMPRESS_LEVEL. This will prompt for a password to
         // encrypt with. Assumes that potential users have gpg installed.
         if (isTrue(gpgEncrypt)) {
             args.add("--gpg-encrypt");
         }
 
         // --gpg-asymmetric-encrypt-sign : Instead of compressing, asymmetrically encrypt and sign the data using GPG
         if (isTrue(gpgAsymmetricEncryptSign)) {
             args.add("--gpg-asymmetric-encrypt-sign");
         }
 
         // --ssl-encrypt : Encrypt the archive using openssl aes-256-cbc -a -salt. This will prompt for a password to
         // encrypt with. Assumes that the potential users have the OpenSSL tools installed.
         if (isTrue(sslEncrypt)) {
             args.add("--ssl-encrypt");
         }
 
         // --ssl-passwd pass : Use the given password to encrypt the data using OpenSSL.
         if (sslPasswd != null) {
             args.add("--ssl-passwd");
             args.add(sslPasswd);
         }
 
         // --ssl-pass-src src : Use the given src as the source of password to encrypt the data using OpenSSL. See
         // \"PASS PHRASE ARGUMENTS\" in man openssl. If this option is not supplied, the user wil be asked to enter
         // encryption pasword on the current terminal.
         if (sslPassSrc != null) {
             args.add("--ssl-pass-src");
             args.add(sslPassSrc);
         }
 
         // --ssl-no-md : Do not use \"-md\" option not supported by older OpenSSL.
         if (isTrue(sslNoMd)) {
             args.add("--ssl-no-md");
         }
 
         // --compress : Use the UNIX compress command to compress the data. This should be the default on all platforms
         // that don't have gzip available.
         if (isTrue(compress)) {
             args.add("--compress");
         }
 
         // --complevel : Specify the compression level for gzip, bzip2, bzip3, pbzip2, xz, lzo or lz4. (defaults to 9)
         if (complevel != null) {
             args.add("--complevel");
             args.add(complevel.toString());
         }
 
         // --nochown : Do not give the target folder to the current user (default)
         if (isTrue(nochown)) {
             args.add("--nochown");
         }
 
         // --chown : Give the target folder to the current user recursively.
         if (isTrue(chown)) {
             args.add("--chown");
         }
 
         // --nocomp : Do not use any compression for the archive, which will then be an uncompressed TAR.
         if (isTrue(nocomp)) {
             args.add("--nocomp");
         }
 
         // --threads thds : Number of threads to be used by compressors that support parallelization.
         // Omit to use compressor's default. Most useful (and required) for opting into xz's threading,
         // usually with '--threads=0' for all available cores.pbzip2 and pigz are parallel by default,
         // and setting this value allows limiting the number of threads they use.
         if (threads != null) {
             args.add("--threads");
             args.add(threads.toString());
         }
 
         // --notemp : The generated archive will not extract the files to a temporary directory, but in a new directory
         // created in the current directory. This is better to distribute software packages that may extract and compile
         // by themselves (i.e. launch the compilation through the embedded script).
         if (isTrue(notemp)) {
             args.add("--notemp");
         }
 
         // --needroot : Check that the root user is extracting the archive before proceeding
         if (isTrue(needroot)) {
             args.add("--needroot");
         }
 
         // --current : Files will be extracted to the current directory, instead of in a sub-directory. This option
         // implies --notemp and does not require a startup_script.
         if (isTrue(current)) {
             args.add("--current");
         }
 
         // --follow : Follow the symbolic links inside of the archive directory, i.e. store the files that are being
         // pointed to instead of the links themselves.
         if (isTrue(follow)) {
             args.add("--follow");
         }
 
         // --noprogress : Do not show the progress during the decompression
         if (isTrue(noprogress)) {
             args.add("--noprogress");
         }
 
         // --append (new in 2.1.x): Append data to an existing archive, instead of creating a new one. In this mode, the
         // settings from the original archive are reused (compression type, label, embedded script), and thus don't need
         // to be specified again on the command line.
         if (isTrue(append)) {
             args.add("--append");
         }
 
         // --header : Makeself 2.0 uses a separate file to store the header stub, called makeself-header.sh. By default,
         // it is assumed that it is stored in the same location as makeself.sh. This option can be used to specify its
         // actual location if it is stored someplace else.
         if (headerFile != null) {
             args.add("--header");
             args.add(headerFile);
         }
 
         // --preextract : Specify a pre-extraction script. The script is executed with the same environment and initial
         // `script_args` as `startup_script`.
         if (preextractScript != null) {
             args.add("--reextract");
             args.add(preextractScript);
         }
 
         // --cleanup : Specify a script that is run when execution is interrupted or finishes successfully. The script
         // is executed with the same environment and initial `script_args` as `startup_script`.
         if (cleanupScript != null) {
             args.add("--cleanup");
             args.add(cleanupScript);
         }
 
         // --copy : Upon extraction, the archive will first extract itself to a temporary directory. The main
         // application of this is to allow self-contained installers stored in a Makeself archive on a CD, when the
         // installer program will later need to unmount the CD and allow a new one to be inserted. This prevents
         // "File system busy" errors for installers that span multiple CDs.
         if (isTrue(copy)) {
             args.add("--copy");
         }
 
         // --nox11 : Disable the automatic spawning of a new terminal in X11.
         if (isTrue(nox11)) {
             args.add("--nox11");
         }
 
         // --nowait : When executed from a new X11 terminal, disable the user prompt at the end of the script execution.
         if (isTrue(nowait)) {
             args.add("--nowait");
         }
 
         // --nomd5 : Disable the creation of a MD5 checksum for the archive. This speeds up the extraction process if
         // integrity checking is not necessary.
         if (isTrue(nomd5)) {
             args.add("--nomd5");
         }
 
         // --nocrc : Disable the creation of a CRC checksum for the archive. This speeds up the extraction process if
         // integrity checking is not necessary.
         if (isTrue(nocrc)) {
             args.add("--nocrc");
         }
 
         // --sha256 : Compute a SHA256 checksum for the archive.
         if (isTrue(sha256)) {
             args.add("--sha256");
         }
 
         // --lsm file : Provide and LSM file to makeself, that will be embedded in the generated archive. LSM files are
         // describing a software package in a way that is easily parseable. The LSM entry can then be later retrieved
         // using the --lsm argument to the archive. An example of a LSM file is provided
         // with Makeself.
         if (lsmFile != null) {
             args.add("--lsm");
             args.add(lsmFile);
         }
 
         // --gpg-extra opt : Append more options to the gpg command line.
         if (gpgExtraOpt != null) {
             args.add("--gpg-extra");
             args.add(gpgExtraOpt);
         }
 
         // --tar-format opt : Specify the tar archive format (default is ustar); you may use any value accepted by your
         // tar command (such as posix, v7, etc).
         if (tarFormatOpt != null) {
             args.add("--tar-format");
             args.add(tarFormatOpt);
         }
 
         // --tar-extra opt : Append more options to the tar command line.
         // For instance, in order to exclude the .git directory from the packaged archive directory using the GNU tar,
         // one can use makeself.sh --tar-extra "--exclude=.git" ...
         if (tarExtraOpt != null) {
             args.add("--tar-extra");
             args.add(tarExtraOpt);
         }
 
         // --untar-extra opt : Append more options to the during the extraction of the tar archive.
         if (untarExtraOpt != null) {
             args.add("--untar-extra");
             args.add(untarExtraOpt);
         }
 
         // --sign passphrase : Signature private key to sign the package with
         if (signPassphrase != null) {
             args.add("--sign");
             args.add(signPassphrase);
         }
 
         // --target dir : Specify the directory where the archive will be extracted. This option implies
         // --notemp and does not require a startup_script.
         if (extractTargetDir != null) {
             args.add("--target");
             args.add(extractTargetDir);
         }
 
         // --keep-umask : Keep the umask set to shell default, rather than overriding when executing self-extracting
         // archive.
         if (isTrue(keepUmask)) {
             args.add("--keep-umask");
         }
 
         // --export-conf : Export configuration variables to startup_script"
         if (isTrue(exportConf)) {
             args.add("--export-conf");
         }
 
         // --packaging-date date : Use provided string as the packaging date instead of the current date.
         if (packagingDate != null) {
             args.add("--packaging-date");
             args.add(packagingDate);
         }
 
         // --license : Append a license file.
         if (licenseFile != null) {
             args.add("--license");
             args.add(licenseFile);
         }
 
         // --nooverwrite : Do not extract the archive if the specified target directory already exists.
         if (isTrue(nooverwrite)) {
             args.add("--nooverwrite");
         }
 
         // --help-header file : Add a header to the archive's --help output.
         if (helpHeaderFile != null) {
             args.add("--help-header");
             args.add(helpHeaderFile);
         }
 
         return args;
     }
 
     private boolean isTrue(Boolean value) {
         if (value != null) {
             return value.booleanValue();
         }
         return false;
     }
 
 }