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Differences From Artifact [251a7402cc]:

To Artifact [3ec5e46dc5]:

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	}

	proc _localpath {package hostname file} {
		set homedir [::appfsd::get_homedir]
		set dir [file join $homedir .appfs "./${package}@${hostname}" "./${file}"]
		return $dir
	}

	proc _whiteoutpath {package hostname file} {
		set homedir [::appfsd::get_homedir]
		set dir [file join $homedir .appfs "./${package}@${hostname}" ".APPFS.WHITEOUT" "./${file}.APPFS.WHITEOUT"]
		return $dir
	}

	proc _parsepath {path} {
		set path [string trim $path "/"]
		set path [split $path "/"]
		set pathlen [llength $path]

		array set retval [list _children sites _type toplevel]
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					::appfs::getpkgmanifest $pathinfo(hostname) $pathinfo(package_sha1)
				}

				set retval [::appfs::db eval {SELECT DISTINCT file_name FROM files WHERE package_sha1 = $pathinfo(package_sha1) AND file_directory = $pathinfo(file);}]

				if {[info exists pathinfo(package)] && [info exists pathinfo(hostname)] && [info exists pathinfo(file)]} {
					set dir [_localpath $pathinfo(package) $pathinfo(hostname) $pathinfo(file)]
					set whiteoutdir [string range [_whiteoutpath $pathinfo(package) $pathinfo(hostname) $pathinfo(file)] 0 end-15]

					foreach file [glob -nocomplain -tails -directory $whiteoutdir {{.,}*.APPFS.WHITEOUT}] {
						set remove [string range $file 0 end-15]
						set idx [lsearch -exact $retval $remove]
						if {$idx != -1} {
							set retval [lreplace $retval $idx $idx]
						}
					}

					foreach file [glob -nocomplain -tails -directory $dir -types {d f l} {{.,}*}] {
						if {$file == "." || $file == ".."} {
							continue
						}

						if {[string match "*.APPFS.WHITEOUT" $file]} {
						if {$file == ".APPFS.WHITEOUT"} {
							set remove [string range $file 0 end-15]
							set idx [lsearch -exact $retval $remove]
							if {$idx != -1} {
								set retval [lreplace $retval $idx $idx]
							}
							continue
						}

						if {[lsearch -exact $retval $file] != -1} {
							continue
						}
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					}
				}
			}
			"files" {
				set retval(packaged) 1

				set localpath [_localpath $pathinfo(package) $pathinfo(hostname) $pathinfo(file)]
				set whiteoutpath  [_whiteoutpath $pathinfo(package) $pathinfo(hostname) $pathinfo(file)]

				set retval(localpath) $localpath
				set retval(whiteoutpath) $whiteoutpath

				if {![file exists "${localpath}.APPFS.WHITEOUT"]} {
					if {[file exists $localpath]} {
						set retval(is_localfile) 1
						catch {
							file lstat $localpath localpathinfo
							set retval(time) $localpathinfo(mtime)
				if {[file exists $localpath]} {
					set retval(is_localfile) 1
					catch {
						file lstat $localpath localpathinfo
						set retval(time) $localpathinfo(mtime)

							switch -- $localpathinfo(type) {
								"directory" {
									set retval(type) "directory"
									set retval(childcount) 2
								}
								"file" {
									set retval(type) "file"
									set retval(size) $localpathinfo(size)
									if {[file executable $localpath]} {
										set retval(perms) "x"
									} else {
										set retval(perms) ""
									}
								}
								"link" {
									set retval(type) "symlink"
									set retval(source) [file readlink $localpath]
								}
							}
						} err
					} else {
						switch -- $localpathinfo(type) {
							"directory" {
								set retval(type) "directory"
								set retval(childcount) 2
							}
							"file" {
								set retval(type) "file"
								set retval(size) $localpathinfo(size)
								if {[file executable $localpath]} {
									set retval(perms) "x"
								} else {
									set retval(perms) ""
								}
							}
							"link" {
								set retval(type) "symlink"
								set retval(source) [file readlink $localpath]
							}
						}
					} err
				} else {
					if {![file exists $whiteoutpath]} {
						set retval(is_remotefile) 1

						set work [split $pathinfo(file) "/"]
						set directory [join [lrange $work 0 end-1] "/"]
						set file [lindex $work end]

						if {$directory == "" && $file == ""} {
							array set retval [list type directory childcount 2]
						}

						::appfs::db eval {SELECT type, time, source, size, perms FROM files WHERE package_sha1 = $pathinfo(package_sha1) AND file_directory = $directory AND file_name = $file;} retval {}
						unset -nocomplain retval(*)
					}
				}

			}
		}
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		if {$pathinfo(_type) != "files"} {
			return -code error "invalid type"
		}

		set localpath [_localpath $pathinfo(package) $pathinfo(hostname) $pathinfo(file)]

		if {$mode == "create"} {
			file delete -- "${localpath}.APPFS.WHITEOUT"

			return $localpath
		}

		if {[file exists $localpath]} {
			return $localpath
		}
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			}

			return $localpath
		}

		return $localcachefile
	}

	proc localpath {path} {
		array set pathinfo [_parsepath $path]

		if {$pathinfo(_type) != "files"} {
			return -code error "invalid type"
		}

		set localpath [_localpath $pathinfo(package) $pathinfo(hostname) $pathinfo(file)]

		return $localpath
	}

	proc exists {path} {
		catch {
			set info [getattr $path]
		} err

		if {![info exists info]} {
			if {$err == "No such file or directory"} {
				return [list]
			} else {
				return -code error $err
			}
		}

		return $info
	}

	proc prepare_to_create {path} {
		if {[exists $path] != ""} {
			return -code error "File already exists"
		}

		set filename [openpath $path "create"]
	proc prepare_to_create {path {must_not_exist 1}} {
		if {$must_not_exist} {
			if {[exists $path] != ""} {
				return -code error "File already exists"
			}
		}

		set filename [localpath $path]

		set dirname [file dirname $filename]

		file mkdir $dirname

		return $filename
	}

	proc localpath {path} {
		array set pathinfo [_parsepath $path]

		if {$pathinfo(_type) != "files"} {
			return -code error "invalid type"
		}

		set localpath [_localpath $pathinfo(package) $pathinfo(hostname) $pathinfo(file)]

		return $localpath
	}

	proc unlinkpath {path} {
		array set pathattrs [exists $path]

		if {![info exists pathattrs(packaged)]} {
			return -code error "invalid type"
		}

		set localpath $pathattrs(localpath)

		set whiteout 0
		set isdirectory 0
		if {[info exists pathattrs(is_localfile)]} {
			if {[file isdirectory $localpath]} {
				set isdirectory 1
				set whiteout 1
			} else {
				file delete -force -- $localpath

				set isdirectory 1
				set children [getchildren $path]
			}
			file delete -force -- $localpath
		} elseif {[info exists pathattrs(is_remotefile)]} {
			if {$pathattrs(type) == "directory"} {
				set isdirectory 1
				set children [getchildren $path]
			}

			set whiteout 1
		} else {
			return -code error "Unknown if file is remote or local !?"
		}

		if {$isdirectory} {
			set children [getchildren $path]
			if {$children != [list]} {
				return -code error "Asked to delete non-empty directory"
			}
		}

		if {$whiteout} {
			set whiteoutfile "${localpath}.APPFS.WHITEOUT"
			set whiteoutfile $pathattrs(whiteoutpath)
			set whiteoutdir [file dirname $whiteoutfile]
			file mkdir $whiteoutdir
			close [open $whiteoutfile w]
		}
	}
}
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