| 1 |
package org.iwakura.larcjb.changes |
| 2 |
|
| 3 |
import com.intellij.openapi.diagnostic.Logger |
| 4 |
import com.intellij.openapi.progress.ProgressIndicator |
| 5 |
import com.intellij.openapi.project.Project |
| 6 |
import com.intellij.openapi.vcs.FilePath |
| 7 |
import com.intellij.openapi.vcs.FileStatus |
| 8 |
import com.intellij.openapi.vcs.ProjectLevelVcsManager |
| 9 |
import com.intellij.openapi.vcs.VcsKey |
| 10 |
import com.intellij.openapi.vcs.changes.* |
| 11 |
import com.intellij.openapi.vcs.history.VcsRevisionNumber |
| 12 |
import com.intellij.openapi.vfs.VirtualFile |
| 13 |
import com.intellij.vcsUtil.VcsUtil |
| 14 |
import org.iwakura.larcjb.LarcExecutable |
| 15 |
import org.iwakura.larcjb.LarcVcs |
| 16 |
|
| 17 |
/** |
| 18 |
* Provides file change information by parsing `larc status` output. |
| 19 |
*/ |
| 20 |
class LarcChangeProvider( |
| 21 |
private val project: Project, |
| 22 |
private val executable: LarcExecutable |
| 23 |
) : ChangeProvider { |
| 24 |
|
| 25 |
private val log = Logger.getInstance(LarcChangeProvider::class.java) |
| 26 |
|
| 27 |
private val vcsKey: VcsKey by lazy { |
| 28 |
val vcs = ProjectLevelVcsManager.getInstance(project).findVcsByName(LarcVcs.NAME) |
| 29 |
vcs?.keyInstanceMethod ?: throw IllegalStateException("Larc VCS not found") |
| 30 |
} |
| 31 |
|
| 32 |
override fun getChanges( |
| 33 |
dirtyScope: VcsDirtyScope, |
| 34 |
builder: ChangelistBuilder, |
| 35 |
progress: ProgressIndicator, |
| 36 |
addGate: ChangeListManagerGate |
| 37 |
) { |
| 38 |
val roots = dirtyScope.affectedContentRoots |
| 39 |
for (root in roots) { |
| 40 |
progress.checkCanceled() |
| 41 |
collectChangesForRoot(root, builder) |
| 42 |
} |
| 43 |
} |
| 44 |
|
| 45 |
private fun collectChangesForRoot(root: VirtualFile, builder: ChangelistBuilder) { |
| 46 |
val result = executable.status(root) |
| 47 |
|
| 48 |
if (!result.isSuccess) { |
| 49 |
log.warn("Failed to get status for ${root.path}: ${result.stderr}") |
| 50 |
return |
| 51 |
} |
| 52 |
|
| 53 |
parseStatusOutput(result.stdout, root, builder) |
| 54 |
} |
| 55 |
|
| 56 |
/** |
| 57 |
* Parse larc status output format: |
| 58 |
* |
| 59 |
* Untracked files: |
| 60 |
* newfile.txt |
| 61 |
* |
| 62 |
* Staged changes: |
| 63 |
* added: file1.txt |
| 64 |
* modified: file2.txt |
| 65 |
* deleted: file3.txt |
| 66 |
* |
| 67 |
* Unstaged changes: |
| 68 |
* modified: file4.txt |
| 69 |
* deleted: file5.txt |
| 70 |
*/ |
| 71 |
private fun parseStatusOutput(output: String, root: VirtualFile, builder: ChangelistBuilder) { |
| 72 |
var section = Section.NONE |
| 73 |
val rootPath = root.path |
| 74 |
|
| 75 |
for (line in output.lines()) { |
| 76 |
val trimmed = line.trim() |
| 77 |
|
| 78 |
when { |
| 79 |
trimmed.isEmpty() -> continue |
| 80 |
trimmed.startsWith("Untracked files:") -> section = Section.UNTRACKED |
| 81 |
trimmed.startsWith("Staged changes:") -> section = Section.STAGED |
| 82 |
trimmed.startsWith("Unstaged changes:") -> section = Section.UNSTAGED |
| 83 |
trimmed.startsWith("No changes") -> return |
| 84 |
else -> { |
| 85 |
when (section) { |
| 86 |
Section.UNTRACKED -> { |
| 87 |
val filePath = VcsUtil.getFilePath("$rootPath/$trimmed") |
| 88 |
builder.processUnversionedFile(filePath) |
| 89 |
} |
| 90 |
Section.STAGED -> { |
| 91 |
processChange(trimmed, rootPath, builder, staged = true) |
| 92 |
} |
| 93 |
Section.UNSTAGED -> { |
| 94 |
processChange(trimmed, rootPath, builder, staged = false) |
| 95 |
} |
| 96 |
Section.NONE -> { /* skip header lines */ } |
| 97 |
} |
| 98 |
} |
| 99 |
} |
| 100 |
} |
| 101 |
} |
| 102 |
|
| 103 |
private fun processChange( |
| 104 |
line: String, |
| 105 |
rootPath: String, |
| 106 |
builder: ChangelistBuilder, |
| 107 |
staged: Boolean |
| 108 |
) { |
| 109 |
val parts = line.split(":", limit = 2) |
| 110 |
if (parts.size != 2) return |
| 111 |
|
| 112 |
val changeType = parts[0].trim().lowercase() |
| 113 |
val fileName = parts[1].trim() |
| 114 |
val filePath = VcsUtil.getFilePath("$rootPath/$fileName") |
| 115 |
|
| 116 |
val change = when (changeType) { |
| 117 |
"added" -> { |
| 118 |
Change(null, CurrentContentRevision(filePath), FileStatus.ADDED) |
| 119 |
} |
| 120 |
"modified" -> { |
| 121 |
Change( |
| 122 |
LarcContentRevision(filePath, executable, rootPath), |
| 123 |
CurrentContentRevision(filePath), |
| 124 |
FileStatus.MODIFIED |
| 125 |
) |
| 126 |
} |
| 127 |
"deleted" -> { |
| 128 |
Change( |
| 129 |
LarcContentRevision(filePath, executable, rootPath), |
| 130 |
null, |
| 131 |
FileStatus.DELETED |
| 132 |
) |
| 133 |
} |
| 134 |
else -> null |
| 135 |
} |
| 136 |
|
| 137 |
if (change != null) { |
| 138 |
builder.processChange(change, vcsKey) |
| 139 |
} |
| 140 |
} |
| 141 |
|
| 142 |
override fun isModifiedDocumentTrackingRequired(): Boolean = false |
| 143 |
|
| 144 |
private enum class Section { |
| 145 |
NONE, UNTRACKED, STAGED, UNSTAGED |
| 146 |
} |
| 147 |
} |
| 148 |
|
| 149 |
/** |
| 150 |
* Content revision for current working copy |
| 151 |
*/ |
| 152 |
class CurrentContentRevision(private val filePath: FilePath) : ContentRevision { |
| 153 |
override fun getContent(): String? { |
| 154 |
val file = filePath.virtualFile ?: return null |
| 155 |
return String(file.contentsToByteArray(), Charsets.UTF_8) |
| 156 |
} |
| 157 |
|
| 158 |
override fun getFile(): FilePath = filePath |
| 159 |
|
| 160 |
override fun getRevisionNumber(): VcsRevisionNumber = VcsRevisionNumber.NULL |
| 161 |
} |
| 162 |
|
| 163 |
/** |
| 164 |
* Content revision for larc committed version |
| 165 |
*/ |
| 166 |
class LarcContentRevision( |
| 167 |
private val filePath: FilePath, |
| 168 |
private val executable: LarcExecutable, |
| 169 |
private val rootPath: String |
| 170 |
) : ContentRevision { |
| 171 |
|
| 172 |
override fun getContent(): String? { |
| 173 |
/* TODO(kroot): implement fetching content from last committed revision */ |
| 174 |
return null |
| 175 |
} |
| 176 |
|
| 177 |
override fun getFile(): FilePath = filePath |
| 178 |
|
| 179 |
override fun getRevisionNumber(): VcsRevisionNumber = VcsRevisionNumber.NULL |
| 180 |
} |
| 181 |
|