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overwrite mirror jars that were modified recently

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This commit is contained in:
Maxim.Mossienko
2013-05-06 13:29:02 +02:00
parent d38be1a483
commit 0ddc1fb411
1 changed files with 13 additions and 3 deletions
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platform/platform-impl/src/com/intellij/openapi/vfs/impl/jar/JarHandler.java
+13 -3
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@@ -122,7 +122,11 @@ public class JarHandler extends JarHandlerBase {
) {
mirrorFile = new File(new File(getJarsDir()), info.mySnapshotPath);
mirrorFileAttributes = FileSystemUtil.getAttributes(mirrorFile);
if (mirrorFileAttributes != null && mirrorFileAttributes.length == originalAttributes.length) {
if (mirrorFileAttributes != null &&
mirrorFileAttributes.length == originalAttributes.length &&
// no abs, reuse if cached file is older, mirrors can be from different projects with different modification times
(mirrorFileAttributes.lastModified - originalAttributes.lastModified) <= FS_TIME_RESOLUTION
) {
return mirrorFile;
}
}
@@ -166,15 +170,21 @@ public class JarHandler extends JarHandlerBase {
mirrorFile = new File(new File(getJarsDir()), getSnapshotName(originalFile.getName(), digest));
mirrorFileAttributes = FileSystemUtil.getAttributes(mirrorFile);
if (mirrorFileAttributes == null) {
if (mirrorFileAttributes == null ||
originalAttributes.length != mirrorFileAttributes.length ||
mirrorFileAttributes.lastModified - originalAttributes.lastModified > FS_TIME_RESOLUTION // no abs, avoid leaving lately modified mirrors
) {
try {
if (mirrorFileAttributes != null) {
FileUtil.delete(mirrorFile);
}
FileUtil.rename(tempJarFile, mirrorFile);
mirrorFile.setLastModified(originalAttributes.lastModified);
} catch (IOException ex) {
reportIOErrorWithJars(originalFile, mirrorFile, ex);
return originalFile;
}
} else {
assert originalAttributes.length == mirrorFileAttributes.length;
FileUtil.delete(tempJarFile);
}