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comparison src/org/tmatesoft/hg/internal/COWTransaction.java @ 621:99ad1e3a4e4d

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RevlogStream: be aware of existence (not HgDataFile), facilitate use of an added HgDataFile over a commit; Rollback: be more sensitive about file changes (file size is not enough: write/rollback leaves it intact); tests
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Sat, 18 May 2013 22:23:57 +0200
parents 65c01508f002
children 4ec2d44e2bf3
comparison
equal deleted inserted replaced
620:272ecffccc8a 621:99ad1e3a4e4d
46 46
47 @Override 47 @Override
48 public File prepare(File f) throws HgIOException { 48 public File prepare(File f) throws HgIOException {
49 if (!f.exists()) { 49 if (!f.exists()) {
50 record(f, null); 50 record(f, null);
51 return f; 51 try {
52 f.getParentFile().mkdirs();
53 f.createNewFile();
54 return f;
55 } catch (IOException ex) {
56 throw new HgIOException("Failed to create new file", ex, f);
57 }
52 } 58 }
53 if (known(f)) { 59 if (known(f)) {
54 return f; 60 return f;
55 } 61 }
56 final File parentDir = f.getParentFile(); 62 final File parentDir = f.getParentFile();
121 if (e.backup != null) { 127 if (e.backup != null) {
122 if (!e.backup.renameTo(e.origin)) { 128 if (!e.backup.renameTo(e.origin)) {
123 String msg = String.format("Transaction rollback failed, could not rename backup %s back to %s", e.backup.getName(), e.origin.getName()); 129 String msg = String.format("Transaction rollback failed, could not rename backup %s back to %s", e.backup.getName(), e.origin.getName());
124 throw new HgIOException(msg, e.origin); 130 throw new HgIOException(msg, e.origin);
125 } 131 }
132 // renameTo() doesn't update timestamp, while the rest of the code relies
133 // on file timestamp to detect revlog changes. Rollback *is* a change,
134 // even if it brings the old state.
135 e.origin.setLastModified(System.currentTimeMillis());
126 } 136 }
127 success.add(e); 137 success.add(e);
128 it.remove(); 138 it.remove();
129 } 139 }
130 } 140 }