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/*
* Copyright 2000-2011 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package git4idea.repo;
import com.intellij.openapi.vfs.VirtualFile;
import git4idea.util.GitFileUtils;
import org.jetbrains.annotations.NotNull;
import java.util.Arrays;
import java.util.Collection;
import static git4idea.GitUtil.DOT_GIT;
/**
* Stores paths to Git service files (from .git/ directory) that are used by IDEA, and provides test-methods to check if a file
* matches once of them.
*
* @author Kirill Likhodedov
*/
public class GitRepositoryFiles {
public static final String COMMIT_EDITMSG = "COMMIT_EDITMSG";
public static final String CONFIG = "config";
public static final String HEAD = "HEAD";
public static final String INDEX = "index";
public static final String INFO = "info";
public static final String INFO_EXCLUDE = INFO + "/exclude";
public static final String MERGE_HEAD = "MERGE_HEAD";
public static final String MERGE_MSG = "MERGE_MSG";
public static final String REBASE_APPLY = "rebase-apply";
public static final String REBASE_MERGE = "rebase-merge";
public static final String PACKED_REFS = "packed-refs";
public static final String REFS_HEADS = "refs/heads";
public static final String REFS_REMOTES = "refs/remotes";
public static final String REFS_TAGS = "refs/tags";
public static final String SQUASH_MSG = "SQUASH_MSG";
public static final String GIT_HEAD = DOT_GIT + slash(HEAD);
public static final String GIT_REFS_REMOTES = DOT_GIT + slash(REFS_REMOTES);
public static final String GIT_PACKED_REFS = DOT_GIT + slash(PACKED_REFS);
public static final String GIT_MERGE_HEAD = DOT_GIT + slash(MERGE_HEAD);
public static final String GIT_MERGE_MSG = DOT_GIT + slash(MERGE_MSG);
public static final String GIT_SQUASH_MSG = DOT_GIT + slash(SQUASH_MSG);
public static final String GIT_COMMIT_EDITMSG = DOT_GIT + slash(COMMIT_EDITMSG);
private final String myConfigFilePath;
private final String myHeadFilePath;
private final String myIndexFilePath;
private final String myMergeHeadPath;
private final String myRebaseApplyPath;
private final String myRebaseMergePath;
private final String myPackedRefsPath;
private final String myRefsHeadsDirPath;
private final String myRefsRemotesDirPath;
private final String myRefsTagsPath;
private final String myCommitMessagePath;
private final String myExcludePath;
public static GitRepositoryFiles getInstance(@NotNull VirtualFile gitDir) {
// maybe will be cached later to store a single GitRepositoryFiles for a root.
return new GitRepositoryFiles(gitDir);
}
private GitRepositoryFiles(@NotNull VirtualFile gitDir) {
// add .git/ and .git/refs/heads to the VFS
// save paths of the files, that we will watch
String gitDirPath = GitFileUtils.stripFileProtocolPrefix(gitDir.getPath());
myConfigFilePath = gitDirPath + slash(CONFIG);
myHeadFilePath = gitDirPath + slash(HEAD);
myIndexFilePath = gitDirPath + slash(INDEX);
myMergeHeadPath = gitDirPath + slash(MERGE_HEAD);
myCommitMessagePath = gitDirPath + slash(COMMIT_EDITMSG);
myRebaseApplyPath = gitDirPath + slash(REBASE_APPLY);
myRebaseMergePath = gitDirPath + slash(REBASE_MERGE);
myPackedRefsPath = gitDirPath + slash(PACKED_REFS);
myRefsHeadsDirPath = gitDirPath + slash(REFS_HEADS);
myRefsTagsPath = gitDirPath + slash(REFS_TAGS);
myRefsRemotesDirPath = gitDirPath + slash(REFS_REMOTES);
myExcludePath = gitDirPath + slash(INFO_EXCLUDE);
}
@NotNull
private static String slash(@NotNull String s) {
return "/" + s;
}
/**
* Returns subdirectories of .git which we are interested in - they should be watched by VFS.
*/
@NotNull
static Collection<String> getSubDirRelativePaths() {
return Arrays.asList(slash(REFS_HEADS), slash(REFS_REMOTES), slash(REFS_TAGS), slash(INFO));
}
@NotNull
String getRefsHeadsPath() {
return myRefsHeadsDirPath;
}
@NotNull
String getRefsRemotesPath() {
return myRefsRemotesDirPath;
}
@NotNull
String getRefsTagsPath() {
return myRefsTagsPath;
}
/**
* {@code .git/config}
*/
public boolean isConfigFile(String filePath) {
return filePath.equals(myConfigFilePath);
}
/**
* .git/index
*/
public boolean isIndexFile(String filePath) {
return filePath.equals(myIndexFilePath);
}
/**
* .git/HEAD
*/
public boolean isHeadFile(String file) {
return file.equals(myHeadFilePath);
}
/**
* Any file in .git/refs/heads, i.e. a branch reference file.
*/
public boolean isBranchFile(String filePath) {
return filePath.startsWith(myRefsHeadsDirPath);
}
/**
* Any file in .git/refs/remotes, i.e. a remote branch reference file.
*/
public boolean isRemoteBranchFile(String filePath) {
return filePath.startsWith(myRefsRemotesDirPath);
}
/**
* .git/refs/tags/*
*/
public boolean isTagFile(@NotNull String path) {
return path.startsWith(myRefsTagsPath);
}
/**
* .git/rebase-merge or .git/rebase-apply
*/
public boolean isRebaseFile(String path) {
return path.equals(myRebaseApplyPath) || path.equals(myRebaseMergePath);
}
/**
* .git/MERGE_HEAD
*/
public boolean isMergeFile(String file) {
return file.equals(myMergeHeadPath);
}
/**
* .git/packed-refs
*/
public boolean isPackedRefs(String file) {
return file.equals(myPackedRefsPath);
}
public boolean isCommitMessageFile(@NotNull String file) {
return file.equals(myCommitMessagePath);
}
/**
* {@code $GIT_DIR/info/exclude}
*/
public boolean isExclude(@NotNull String path) {
return path.equals(myExcludePath);
}
}
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