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Speed up check for modifications of tracked resources 

We only need to check file existense if some other stat returns
a value that may mean that the file does not exist. File.length() == 0
or File.lastModified() == 0 are two such properties. We use length
here.

Change-Id: If626b12e7bb4da994b5c086f6a5b7a12c187261c
Signed-off-by: Robin Rosenberg <robin.rosenberg@dewire.com>
This commit is contained in:
Robin Rosenberg 2010-04-10 17:05:36 +02:00
parent 2b6c555aee
commit b919a94348
1 changed files with 6 additions and 4 deletions
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10
org.eclipse.jgit/src/org/eclipse/jgit/lib/GitIndex.java
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@ -567,7 +567,12 @@ public boolean isModified(File wd, boolean forceContentCheck) {
return true;
File file = getFile(wd);
if (!file.exists())
long length = file.length();
if (length == 0) {
if (!file.exists())
return true;
}
if (length != size)
return true;
// JDK1.6 has file.canExecute
@ -600,9 +605,6 @@ public boolean isModified(File wd, boolean forceContentCheck) {
}
}
if (file.length() != size)
return true;
// Git under windows only stores seconds so we round the timestamp
// Java gives us if it looks like the timestamp in index is seconds
// only. Otherwise we compare the timestamp at millisecond prevision.