Rewrite bootstrap script to drop git dependency

setup.pl

@@ -0,0 +1,43 @@
+#!/usr/bin/env perl
+use strict;
+use warnings;
+
+
+use Archive::Tar;
+use File::Temp ();
+use IPC::System::Simple qw(capture);
+use LWP::Simple;
+
+
+print "Setting up...\n";
+
+# GitHub repository to clone
+my $author =     $ENV{'DOTFILES_AUTHOR'}     // 'andrejusk';
+my $repository = $ENV{'DOTFILES_REPOSITORY'} // 'dotfiles';
+my $branch =     $ENV{'DOTFILES_BRANCH'}     // 'master';
+print "Using repository $author/$repository at $branch\n";
+
+# Installer filename
+my $installer = $ENV{'DOTFILES_INSTALLER'} // 'install.sh';
+print "Using installer $installer\n";
+
+# Download repo
+my $repository_url = "https://github.com/$author/$repository/archive/$branch.tar.gz";
+my $temp_handle = File::Temp->new();
+my $repository_temp = $temp_handle->filename;
+print "Downloading $repository_url to $repository_temp\n";
+getstore($repository_url, $repository_temp);
+
+# Extract repo
+my $temp_dir = File::Temp->newdir();
+my $tar = Archive::Tar->new;
+print "Extracting $repository_temp to $temp_dir\n";
+$tar->read($repository_temp);
+$tar->setcwd($temp_dir);
+$tar->extract();
+
+# Install repo
+my $installer_path = "$temp_dir/$repository-$branch/$installer";
+print 'Running installer <' . $installer_path . ">\n";
+my $output = capture([0,1,2], $^X, $installer_path);
+print $output;