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FS: Add a method to discover the system-wide config file 

Change-Id: I969e26a5ab5f8ca3ab29024f405c1e34afdba493
Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
This commit is contained in:
Sebastian Schuberth 2015-05-19 10:49:44 +02:00
parent b8b6357fe6
commit cb12f4f0ad
1 changed files with 27 additions and 0 deletions
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27
org.eclipse.jgit/src/org/eclipse/jgit/util/FS.java
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@ -53,10 +53,12 @@
import java.io.OutputStreamWriter;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.nio.charset.Charset;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.text.MessageFormat;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
@ -536,6 +538,31 @@ public File gitPrefix() {
*/
protected abstract File discoverGitExe();
/**
* @return the path to the system-wide Git configuration file.
* @since 4.0
*/
protected File discoverGitSystemConfig() {
File gitExe = discoverGitExe();
if (gitExe == null) {
return null;
}
// Trick Git into printing the path to the config file by using "echo"
// as the editor.
Map<String, String> env = new HashMap<>();
env.put("GIT_EDITOR", "echo"); //$NON-NLS-1$ //$NON-NLS-2$
String w = readPipe(gitExe.getParentFile(),
new String[] { "git", "config", "--system", "--edit" }, //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
Charset.defaultCharset().name(), env);
if (StringUtils.isEmptyOrNull(w)) {
return null;
}
return new File(w);
}
/** @return the $prefix directory C Git would use. */
protected File discoverGitPrefix() {
return resolveGrandparentFile(discoverGitExe());