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Enhance SubmoduleWalk with a fast check whether a repo contains 

submodules

Change-Id: Id37efb4f4dd77f3b8eb5607d15d32adeda3992d4
This commit is contained in:
Christian Halstrick 2014-10-21 11:17:34 +02:00 committed by Stefan Lay
parent 6f0b92ff22
commit 696de653f3
1 changed files with 22 additions and 0 deletions
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22
org.eclipse.jgit/src/org/eclipse/jgit/submodule/SubmoduleWalk.java
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@ -451,6 +451,28 @@ public SubmoduleWalk loadModulesConfig() throws IOException, ConfigInvalidExcept
return this;
}
/**
* Checks whether the working tree (or the index in case of a bare repo)
* contains a .gitmodules file. That's a hint that the repo contains
* submodules.
*
* @param repository
* the repository to check
* @return <code>true</code> if the repo contains a .gitmodules file
* @throws IOException
* @throws CorruptObjectException
*/
public static boolean containsGitModulesFile(Repository repository)
throws IOException {
if (repository.isBare()) {
DirCache dc = repository.readDirCache();
return (dc.findEntry(Constants.DOT_GIT_MODULES) >= 0);
}
File modulesFile = new File(repository.getWorkTree(),
Constants.DOT_GIT_MODULES);
return (modulesFile.exists());
}
private void lazyLoadModulesConfig() throws IOException, ConfigInvalidException {
if (modulesConfig == null)
loadModulesConfig();