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comparison src/org/tmatesoft/hg/internal/RepoInitializer.java @ 493:ba36f66c32b4

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Refactor to keep knowledge about repository control files and their location in respect to .hg/ in a single place (facilitate future adoption of shared repositories)
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 18 Oct 2012 18:36:13 +0200
parents b3c16d1aede0
children 4e6179bde4fc
comparison
equal deleted inserted replaced
492:e4eaa23e3442 493:ba36f66c32b4
22 import java.io.FileOutputStream; 22 import java.io.FileOutputStream;
23 import java.io.IOException; 23 import java.io.IOException;
24 import java.nio.charset.Charset; 24 import java.nio.charset.Charset;
25 25
26 import org.tmatesoft.hg.core.SessionContext; 26 import org.tmatesoft.hg.core.SessionContext;
27 import org.tmatesoft.hg.repo.HgInvalidControlFileException;
27 import org.tmatesoft.hg.util.PathRewrite; 28 import org.tmatesoft.hg.util.PathRewrite;
28 29
29 /** 30 /**
30 * Responsible of `requires` processing both on repo read and repo write 31 * Responsible of `requires` processing both on repo read and repo write
31 * XXX needs better name, perhaps 32 * XXX needs better name, perhaps
37 private int requiresFlags; 38 private int requiresFlags;
38 39
39 public RepoInitializer() { 40 public RepoInitializer() {
40 } 41 }
41 42
43 public RepoInitializer initRequiresFromFile(File repoDir) throws HgInvalidControlFileException {
44 File requiresFile = new File(repoDir, "requires"); // not #getFileFromRepoDir() just in case it gets modified later
45 try {
46 int flags = new RequiresFile().parse(requiresFile);
47 return setRequires(flags);
48 } catch (IOException ex) {
49 throw new HgInvalidControlFileException("Parse failed", ex, requiresFile);
50 }
51 }
52
42 public RepoInitializer setRequires(int flags) { 53 public RepoInitializer setRequires(int flags) {
43 requiresFlags = flags; 54 requiresFlags = flags;
44 return this; 55 return this;
45 } 56 }
46 57
47 public int getRequires() { 58 public int getRequires() {
48 return requiresFlags; 59 return requiresFlags;
49 } 60 }
50 61
51 public void initEmptyRepository(File hgDir) throws IOException { 62 public void initEmptyRepository(File repoDir) throws IOException {
52 hgDir.mkdir(); 63 repoDir.mkdirs();
53 FileOutputStream requiresFile = new FileOutputStream(new File(hgDir, "requires")); 64 FileOutputStream requiresFile = new FileOutputStream(new File(repoDir, "requires"));
54 StringBuilder sb = new StringBuilder(40); 65 StringBuilder sb = new StringBuilder(40);
55 sb.append("revlogv1\n"); 66 sb.append("revlogv1\n");
56 if ((requiresFlags & STORE) != 0) { 67 if ((requiresFlags & STORE) != 0) {
57 sb.append("store\n"); 68 sb.append("store\n");
58 } 69 }
62 if ((requiresFlags & DOTENCODE) != 0) { 73 if ((requiresFlags & DOTENCODE) != 0) {
63 sb.append("dotencode\n"); 74 sb.append("dotencode\n");
64 } 75 }
65 requiresFile.write(sb.toString().getBytes()); 76 requiresFile.write(sb.toString().getBytes());
66 requiresFile.close(); 77 requiresFile.close();
67 new File(hgDir, "store").mkdir(); // with that, hg verify says ok. 78 new File(repoDir, "store").mkdir(); // with that, hg verify says ok.
68 } 79 }
69 80
70 public PathRewrite buildDataFilesHelper(SessionContext ctx) { 81 public PathRewrite buildDataFilesHelper(SessionContext ctx) {
71 Charset cs = Internals.getFileEncoding(ctx); 82 Charset cs = Internals.getFileEncoding(ctx);
72 // StoragePathHelper needs fine-grained control over char encoding, hence doesn't use EncodingHelper 83 // StoragePathHelper needs fine-grained control over char encoding, hence doesn't use EncodingHelper
73 return new StoragePathHelper((requiresFlags & STORE) != 0, (requiresFlags & FNCACHE) != 0, (requiresFlags & DOTENCODE) != 0, cs); 84 return new StoragePathHelper((requiresFlags & STORE) != 0, (requiresFlags & FNCACHE) != 0, (requiresFlags & DOTENCODE) != 0, cs);
74 } 85 }
86
87 public PathRewrite buildStoreFilesHelper() {
88 if ((requiresFlags & STORE) != 0) {
89 return new PathRewrite() {
90 public CharSequence rewrite(CharSequence path) {
91 return "store/" + path;
92 }
93 };
94 } else {
95 return new PathRewrite.Empty();
96 }
97 }
75 } 98 }