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| author | Robin Rosenberg <robin.rosenberg@dewire.com> | 2014-01-12 01:34:58 +0100 |
|---|---|---|
| committer | Matthias Sohn <matthias.sohn@sap.com> | 2014-02-10 23:07:28 +0100 |
| commit | 50a19fcdef271a74eb055f6996a425fc0c01d81f (patch) | |
| tree | e1c91bcf4cf30a5aef3eb22bb20d9decb3cd8519 | |
| parent | 078a9f60664fee1f7e85f0c3ab3fd067c0f674cc (diff) | |
| download | jgit-50a19fcdef271a74eb055f6996a425fc0c01d81f.tar.gz jgit-50a19fcdef271a74eb055f6996a425fc0c01d81f.zip | |
Dynamically detect if Windows supports symbolic links
To get symlink support you typically need to run as administrator.
Change-Id: I394ea75bc2f250c62f860e537a0af9e6380b3b38
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
| -rw-r--r-- | org.eclipse.jgit.java7/src/org/eclipse/jgit/util/FS_Win32_Java7.java | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/org.eclipse.jgit.java7/src/org/eclipse/jgit/util/FS_Win32_Java7.java b/org.eclipse.jgit.java7/src/org/eclipse/jgit/util/FS_Win32_Java7.java index b015362247..98df7c85c1 100644 --- a/org.eclipse.jgit.java7/src/org/eclipse/jgit/util/FS_Win32_Java7.java +++ b/org.eclipse.jgit.java7/src/org/eclipse/jgit/util/FS_Win32_Java7.java @@ -51,6 +51,8 @@ import java.io.IOException; */ public class FS_Win32_Java7 extends FS_Win32 { + private volatile Boolean supportSymlinks; + FS_Win32_Java7(FS src) { super(src); } @@ -65,7 +67,29 @@ public class FS_Win32_Java7 extends FS_Win32 { @Override public boolean supportsSymlinks() { - return true; + if (supportSymlinks == null) + detectSymlinkSupport(); + return Boolean.TRUE.equals(supportSymlinks); + } + + private void detectSymlinkSupport() { + File tempFile = null; + try { + tempFile = File.createTempFile("tempsymlinktarget", ""); //$NON-NLS-1$ //$NON-NLS-2$ + File linkName = new File(tempFile.getParentFile(), "tempsymlink"); //$NON-NLS-1$ + FileUtil.createSymLink(linkName, tempFile.getPath()); + supportSymlinks = Boolean.TRUE; + linkName.delete(); + } catch (IOException e) { + supportSymlinks = Boolean.FALSE; + } finally { + if (tempFile != null) + try { + FileUtils.delete(tempFile); + } catch (IOException e) { + throw new RuntimeException(e); // panic + } + } } @Override |