Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #6120 from adriaanm/dotfiles-212
Move compilation daemon portfile under `~/.scalac/`
- Loading branch information
Showing
7 changed files
with
153 additions
and
56 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
59 changes: 59 additions & 0 deletions
59
src/reflect/scala/reflect/internal/util/OwnerOnlyChmod.scala
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| /* NSC -- new Scala compiler | ||
| * Copyright 2017 LAMP/EPFL | ||
| * @author Martin Odersky | ||
| */ | ||
| package scala.reflect.internal.util | ||
|
|
||
| import java.nio.ByteBuffer | ||
| import java.nio.file.StandardOpenOption.{CREATE, TRUNCATE_EXISTING, WRITE} | ||
| import java.nio.file.attribute.PosixFilePermission.{OWNER_EXECUTE, OWNER_READ, OWNER_WRITE} | ||
| import java.nio.file.attribute.PosixFilePermissions.asFileAttribute | ||
| import java.nio.file.attribute._ | ||
| import java.nio.file.{Files, Path} | ||
| import java.util.EnumSet | ||
|
|
||
|
|
||
| object OwnerOnlyChmod { | ||
| private def canPosix(path: Path) = | ||
| Files.getFileStore(path).supportsFileAttributeView(classOf[PosixFileAttributeView]) | ||
|
|
||
| private val posixDir = EnumSet.of(OWNER_READ, OWNER_WRITE, OWNER_EXECUTE) | ||
| private val posixFile = EnumSet.of(OWNER_READ, OWNER_WRITE) | ||
| private def fileAttributes(path: Path) = | ||
| if (canPosix(path)) Array(asFileAttribute(posixFile)) else Array.empty[FileAttribute[_]] | ||
|
|
||
| /** Remove group/other permissions for `file`, it if exists, and if the runtime environment supports modifying permissions. */ | ||
| def chmod(path: Path): Unit = { | ||
| if (canPosix(path)) Files.setPosixFilePermissions(path, if (Files.isDirectory(path)) posixDir else posixFile) | ||
| else { | ||
| // if getting this view fails, we fail | ||
| val view = Files.getFileAttributeView(path, classOf[AclFileAttributeView]) | ||
| if (view == null) throw new UnsupportedOperationException(s"Cannot get file attribute view for $path") | ||
|
|
||
| val acls = { | ||
| val builder = AclEntry.newBuilder | ||
| builder.setPrincipal(view.getOwner) | ||
| builder.setPermissions(AclEntryPermission.values(): _*) | ||
| builder.setType(AclEntryType.ALLOW) | ||
| val entry = builder.build | ||
| java.util.Collections.singletonList(entry) | ||
| } | ||
|
|
||
| view.setAcl(acls) | ||
| } | ||
| } | ||
|
|
||
| def chmodFileOrCreateEmpty(path: Path): Unit = { | ||
| // Create new file if none existed, with appropriate permissions via the fileAttributes attributes (if supported). | ||
| Files.newByteChannel(path, EnumSet.of(WRITE, CREATE), fileAttributes(path): _*).close() | ||
| // Change (if needed -- either because the file already existed, or the FS needs a separate call to set the ACL) | ||
| chmod(path) | ||
| } | ||
|
|
||
| def chmodFileAndWrite(path: Path, contents: Array[Byte]): Unit = { | ||
| val sbc = Files.newByteChannel(path, EnumSet.of(WRITE, TRUNCATE_EXISTING), fileAttributes(path): _*) | ||
| try sbc.write(ByteBuffer.wrap(contents)) finally sbc.close() | ||
| chmod(path) // for acl-based FS | ||
| } | ||
| } | ||
|
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters