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Add FS.detect() for detection of file system abstraction. 

To give the user more control on which file system abstraction
should be used on Windows, FS.detect() may be configured
to assume a Cygwin installation or nor.
This commit is contained in:
Marc Strapetz 2010-09-01 17:14:16 +02:00
parent 6a05904e53
commit a46abab244
1 changed files with 34 additions and 6 deletions
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40
org.eclipse.jgit/src/org/eclipse/jgit/util/FS.java
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@ -52,16 +52,44 @@ public abstract class FS {
/** The auto-detected implementation selected for this operating system and JRE. */
public static final FS DETECTED;
static {
/**
* Auto-detect the appropriate file system abstraction, taking into account
* the presence of a Cygwin installation on the system. Using jgit in
* combination with Cygwin requires a more elaborate (and possibly slower)
* resolution of file system paths.
*
* @param cygwinUsed
* <ul>
* <li><code>Boolean.TRUE</code> to assume that Cygwin is used in
* combination with jgit</li>
* <li><code>Boolean.FALSE</code> to assume that Cygwin is
* <b>not</b> used with jgit</li>
* <li><code>null</code> to auto-detect whether a Cygwin
* installation is present on the system and in this case assume
* that Cygwin is used</li>
* </ul>
*
* Note: this parameter is only relevant on Windows.
*
* @return detected file system abstraction
*/
public static FS detect(Boolean cygwinUsed) {
if (FS_Win32.detect()) {
if (FS_Win32_Cygwin.detect())
DETECTED = new FS_Win32_Cygwin();
boolean useCygwin = (cygwinUsed == null && FS_Win32_Cygwin.detect())
|| Boolean.TRUE.equals(cygwinUsed);
if (useCygwin)
return new FS_Win32_Cygwin();
else
DETECTED = new FS_Win32();
return new FS_Win32();
} else if (FS_POSIX_Java6.detect())
DETECTED = new FS_POSIX_Java6();
return new FS_POSIX_Java6();
else
DETECTED = new FS_POSIX_Java5();
return new FS_POSIX_Java5();
}
static {
DETECTED = detect(null);
}
private final File userHome;