FileSnapshot: don't try to read file attributes twice
If file doesn't exist set state to MISSING_FILE immediately. Doing that by calling File#lastModified and File#length effectively does the same since they set the value to 0 if the file doesn't exist. Log an error if a different exception than NoSuchFileException is caught. Change-Id: I0d4396b9f80446692a088d17522d64f735ce6708
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@ -12,8 +12,10 @@
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import static org.eclipse.jgit.util.FS.FileStoreAttributes.FALLBACK_FILESTORE_ATTRIBUTES;
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import static org.eclipse.jgit.util.FS.FileStoreAttributes.FALLBACK_TIMESTAMP_RESOLUTION;
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import java.io.File;
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import java.io.IOException;
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import java.nio.file.NoSuchFileException;
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import java.nio.file.attribute.BasicFileAttributes;
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import java.time.Duration;
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import java.time.Instant;
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@ -226,9 +228,15 @@ protected FileSnapshot(File file, boolean useConfig) {
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BasicFileAttributes fileAttributes = null;
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try {
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fileAttributes = FS.DETECTED.fileAttributes(file);
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} catch (NoSuchFileException e) {
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this.lastModified = Instant.EPOCH;
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this.size = 0L;
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this.fileKey = MISSING_FILEKEY;
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return;
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} catch (IOException e) {
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this.lastModified = Instant.ofEpochMilli(file.lastModified());
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this.size = file.length();
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LOG.error(e.getMessage(), e);
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this.lastModified = Instant.EPOCH;
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this.size = 0L;
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this.fileKey = MISSING_FILEKEY;
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return;
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}
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@ -309,9 +317,14 @@ public boolean isModified(File path) {
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currLastModified = fileAttributes.lastModifiedTime().toInstant();
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currSize = fileAttributes.size();
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currFileKey = getFileKey(fileAttributes);
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} catch (NoSuchFileException e) {
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currLastModified = Instant.EPOCH;
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currSize = 0L;
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currFileKey = MISSING_FILEKEY;
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} catch (IOException e) {
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currLastModified = Instant.ofEpochMilli(path.lastModified());
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currSize = path.length();
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LOG.error(e.getMessage(), e);
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currLastModified = Instant.EPOCH;
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currSize = 0L;
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currFileKey = MISSING_FILEKEY;
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}
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sizeChanged = isSizeChanged(currSize);
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