X-Git-Url: http://git.pk910.de/?p=phpgitweb.git;a=blobdiff_plain;f=htdocs%2Flib%2FGitCommand.class.php;fp=htdocs%2Flib%2FGitCommand.class.php;h=4e20281778e1d6c1ab58642f70a0e4beda3d1c4a;hp=0000000000000000000000000000000000000000;hb=0a6d29345b57ef71b076003e18d13efd3478764c;hpb=c20b2789b4f1c2da70f33cf2d1e78f55478a6e19

diff --git a/htdocs/lib/GitCommand.class.php b/htdocs/lib/GitCommand.class.php
new file mode 100644
index 0000000..4e20281
--- /dev/null
+++ b/htdocs/lib/GitCommand.class.php
@@ -0,0 +1,119 @@
+<?php
+/* GitCommand.class.php - phpgitweb
+ * Copyright (C) 2011-2012  Philipp Kreil (pk910)
+ * 
+ * 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 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * 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.
+ * 
+ * You should have received a copy of the GNU General Public License 
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. 
+ */
+
+class GitCommand {
+	private static $git = null;
+	private static $counter = 0;
+	
+	private static function command_header($git_path = null) {
+		if(!self::$git) {
+			//find git executable
+			if(GitConfig::GIT_EXEC)
+				self::$git = GitConfig::GIT_EXEC;
+			else
+				self::$git = str_replace(array("\n", "\r"), array("", ""), `which git`);
+			if(!self::$git) {
+				trigger_error("Can not find git executable.", E_USER_ERROR);
+				self::$git = "git";
+			}
+		}
+		$command = self::$git;
+		if($git_path)
+			$command .= " --git-dir=".$git_path;
+		return $command;
+	}
+	
+	private static function execute($command) {
+		$result = array();
+		exec($command, $result);
+		self::$counter++;
+		return implode("\n", $result);
+	}
+	
+	public static function core_version() {
+		$command = self::command_header();
+		if(!$command)
+			return null;
+		$command .= " --version";
+		$version = self::execute($command);
+		preg_match("/[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+/i", $version, $result);
+		return $result[0];
+	}
+	
+	public static function last_activity($git_path, $ref = null) {
+		$command = self::command_header($git_path);
+		if(!$command)
+			return null;
+		$command .= " for-each-ref --format=%\(committer\) --sort=-committerdate --count=1";
+		if($ref)
+			$command .= " ".$ref;
+		$age = self::execute($command);
+		preg_match("/[0-9]{9,}/i", $age, $result);
+		return $result[0];
+	}
+	
+	private static function parse_commit($commit_data) {
+		$commit = array();
+		$rev_lines = explode("\n", str_replace("\r", "", $commit_data));
+		$commit['id'] = $rev_lines[0];
+		foreach($rev_lines as $rev_line) {
+			if(substr($rev_line, 0, 4) == "    ") {
+				if(array_key_exists('text', $commit))
+					$commit['text'] .= "\n";
+				else
+					$commit['text'] = '';
+				$commit['text'] .= substr($rev_line, 4);
+			} else {
+				$opt = explode(" ", $rev_line, 2);
+				if($opt[0] == "tree")
+					$commit['tree'] = $opt[1];
+				else if($opt[0] == "parent")
+					$commit['parent'][] = $opt[1];
+				else if($opt[0] == "author") {
+					preg_match('/(.*) <([^>]*)> ([0-9]*) [+-0-9]*/i', $opt[1], $matches);
+					$commit['author'] = $matches[1];
+					$commit['author_mail'] = $matches[2];
+					$commit['author_time'] = $matches[3];
+				} else if($opt[0] == "committer") {
+					preg_match('/(.*) <([^>]*)> ([0-9]*) [+-0-9]*/i', $opt[1], $matches);
+					$commit['committer'] = $matches[1];
+					$commit['committer_mail'] = $matches[2];
+					$commit['committer_time'] = $matches[3];
+				}
+			}
+		}
+		return $commit;
+	}
+	
+	public static function get_commits($git_path, $head, $maxcount, $skip, $file = null) {
+		$command = self::command_header($git_path);
+		if(!$command)
+			return null;
+		$command .= " rev-list --header --max-count=".$maxcount." --skip=".$skip." ".($head ? $head : "--all")." --";
+		if($file)
+			$command .= " ".$file;
+		$commit_list = self::execute($command);
+		$commits = array();
+		foreach(explode("\000", $commit_list) as $commit) {
+			if($commit)
+				$commits[] = self::parse_commit($commit);
+		}
+		return $commits;
+	}
+	
+}