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.
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@ -52,16 +52,44 @@ public abstract class FS {
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/** The auto-detected implementation selected for this operating system and JRE. */
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public static final FS DETECTED;
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static {
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/**
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* Auto-detect the appropriate file system abstraction, taking into account
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* the presence of a Cygwin installation on the system. Using jgit in
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* combination with Cygwin requires a more elaborate (and possibly slower)
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* resolution of file system paths.
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*
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* @param cygwinUsed
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* <ul>
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* <li><code>Boolean.TRUE</code> to assume that Cygwin is used in
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* combination with jgit</li>
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* <li><code>Boolean.FALSE</code> to assume that Cygwin is
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* <b>not</b> used with jgit</li>
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* <li><code>null</code> to auto-detect whether a Cygwin
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* installation is present on the system and in this case assume
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* that Cygwin is used</li>
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* </ul>
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*
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* Note: this parameter is only relevant on Windows.
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*
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* @return detected file system abstraction
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*/
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public static FS detect(Boolean cygwinUsed) {
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if (FS_Win32.detect()) {
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if (FS_Win32_Cygwin.detect())
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DETECTED = new FS_Win32_Cygwin();
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boolean useCygwin = (cygwinUsed == null && FS_Win32_Cygwin.detect())
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|| Boolean.TRUE.equals(cygwinUsed);
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if (useCygwin)
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return new FS_Win32_Cygwin();
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else
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DETECTED = new FS_Win32();
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return new FS_Win32();
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} else if (FS_POSIX_Java6.detect())
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DETECTED = new FS_POSIX_Java6();
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return new FS_POSIX_Java6();
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else
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DETECTED = new FS_POSIX_Java5();
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return new FS_POSIX_Java5();
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}
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static {
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DETECTED = detect(null);
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}
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private final File userHome;
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