From cac06d89fb9cf72996702ea45dd5d36dbc0b7dd2 Mon Sep 17 00:00:00 2001
From: Max Howell <mxcl@me.com>
Date: Thu, 17 Jan 2019 17:31:29 -0500
Subject: [PATCH] Linux

---
 .travis.yml                      | 16 ++++++++++++++++
 Sources/Extensions.swift         |  4 ++++
 Sources/TemporaryDirectory.swift |  9 +++++++++
 3 files changed, 29 insertions(+)
 create mode 100644 .travis.yml

diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..3e86dd0
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,16 @@
+# only run for: merge commits, releases and pull-requests
+if: type != push OR branch = master OR branch =~ /^\d+\.\d+(\.\d+)?(-\S*)?$/
+
+jobs:
+  include:
+    - os: osx
+      language: swift
+      osx_image: xcode10.1
+      script: swift test
+    - env: SWIFT_VERSION=4.2.1
+      os: linux
+      language: generic
+      dist: trusty
+      sudo: false
+      install: eval "$(curl -sL https://swiftenv.fuller.li/install.sh)"
+      script: swift test
diff --git a/Sources/Extensions.swift b/Sources/Extensions.swift
index 475bb77..1670c49 100644
--- a/Sources/Extensions.swift
+++ b/Sources/Extensions.swift
@@ -47,7 +47,11 @@ public extension Data {
     func write(to: Path, atomically: Bool = false) throws -> Path {
         let opts: NSData.WritingOptions
         if atomically {
+        #if os(macOS)
             opts = .atomicWrite
+        #else
+            opts = .atomic
+        #endif
         } else {
             opts = []
         }
diff --git a/Sources/TemporaryDirectory.swift b/Sources/TemporaryDirectory.swift
index 0c31171..ecacc3e 100644
--- a/Sources/TemporaryDirectory.swift
+++ b/Sources/TemporaryDirectory.swift
@@ -5,7 +5,16 @@ public class TemporaryDirectory {
     public var path: Path { return Path(string: url.path) }
 
     public init() throws {
+    #if os(macOS)
         url = try FileManager.default.url(for: .itemReplacementDirectory, in: .userDomainMask, appropriateFor: URL(fileURLWithPath: "/"), create: true)
+    #else
+        let envs = ProcessInfo.processInfo.environment
+        let env = envs["TMPDIR"] ?? envs["TEMP"] ?? envs["TMP"] ?? "/tmp"
+        let dir = Path.root/env/"swift-sh.XXXXXX"
+        var template = [UInt8](dir.string.utf8).map({ Int8($0) }) + [Int8(0)]
+        guard mkdtemp(&template) != nil else { throw CocoaError.error(.featureUnsupported) }
+        url = URL(fileURLWithPath: String(cString: template))
+    #endif
     }
 
     deinit {