From eda684661b2edc13a3698079241146a4932184ba Mon Sep 17 00:00:00 2001
From: Daniele Esposti <daniele.esposti@gmail.com>
Date: Tue, 3 Jul 2018 00:26:25 +0100
Subject: [PATCH 1/4] Added Rustup cache

---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index 84fd3f7d..1d6f5985 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -31,3 +31,4 @@ cache:
     directories:
         - $HOME/.cache/pip
         - $HOME/.cache/pre-commit
+        - $HOME/.rustup

From e6b6abeb9f5e022d44d2e8d3a98755d4d2bbeb1b Mon Sep 17 00:00:00 2001
From: Daniele Esposti <daniele.esposti@gmail.com>
Date: Tue, 3 Jul 2018 01:19:58 +0100
Subject: [PATCH 2/4] Added Swift cache

---
 .travis.yml          | 1 +
 testing/get-swift.sh | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 1d6f5985..094274b0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,3 +32,4 @@ cache:
         - $HOME/.cache/pip
         - $HOME/.cache/pre-commit
         - $HOME/.rustup
+        - $HOME/.swift
diff --git a/testing/get-swift.sh b/testing/get-swift.sh
index a45291e2..e4380a35 100755
--- a/testing/get-swift.sh
+++ b/testing/get-swift.sh
@@ -11,6 +11,6 @@ fi
 
 mkdir -p /tmp/swift
 pushd /tmp/swift
-    wget "$SWIFT_URL" -O swift.tar.gz
-    tar -xf swift.tar.gz --strip 1
+    wget -N -c "$SWIFT_URL" -O "$HOME"/.swift/swift.tar.gz
+    tar -xf "$HOME"/.swift/swift.tar.gz --strip 1
 popd

From 0f600ea0f06d31edb309345a9fdf2a94af45e0c8 Mon Sep 17 00:00:00 2001
From: Daniele Esposti <daniele.esposti@gmail.com>
Date: Wed, 4 Jul 2018 08:36:32 +0100
Subject: [PATCH 3/4] Wget timestamping incompatible with -O

---
 testing/get-swift.sh | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/testing/get-swift.sh b/testing/get-swift.sh
index e4380a35..4b04c66d 100755
--- a/testing/get-swift.sh
+++ b/testing/get-swift.sh
@@ -4,13 +4,18 @@ set -ex
 
 . /etc/lsb-release
 if [ "$DISTRIB_CODENAME" = "trusty" ]; then
-    SWIFT_URL='https://swift.org/builds/swift-4.0.3-release/ubuntu1404/swift-4.0.3-RELEASE/swift-4.0.3-RELEASE-ubuntu14.04.tar.gz'
+    SWIFT_TARBALL="swift-4.0.3-RELEASE-ubuntu14.04.tar.gz"
+    SWIFT_URL="https://swift.org/builds/swift-4.0.3-release/ubuntu1404/swift-4.0.3-RELEASE/$SWIFT_TARBALL"
 else
-    SWIFT_URL='https://swift.org/builds/swift-4.0.3-release/ubuntu1604/swift-4.0.3-RELEASE/swift-4.0.3-RELEASE-ubuntu16.04.tar.gz'
+    SWIFT_TARBALL="swift-4.0.3-RELEASE-ubuntu16.04.tar.gz"
+    SWIFT_URL="https://swift.org/builds/swift-4.0.3-release/ubuntu1604/swift-4.0.3-RELEASE/$SWIFT_TARBALL"
 fi
 
+pushd "$HOME"/.swift
+    wget -N -c "$SWIFT_URL"
+popd
+
 mkdir -p /tmp/swift
 pushd /tmp/swift
-    wget -N -c "$SWIFT_URL" -O "$HOME"/.swift/swift.tar.gz
-    tar -xf "$HOME"/.swift/swift.tar.gz --strip 1
+    tar -xf "$HOME"/.swift/"$SWIFT_TARBALL" --strip 1
 popd

From b7ba4a1708cc7f79d01f38ba6f15bd82d977bb72 Mon Sep 17 00:00:00 2001
From: Daniele Esposti <daniele.esposti@gmail.com>
Date: Wed, 4 Jul 2018 22:39:07 +0100
Subject: [PATCH 4/4] Added hash of Swift tarballs

---
 testing/get-swift.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/testing/get-swift.sh b/testing/get-swift.sh
index 4b04c66d..54a37e58 100755
--- a/testing/get-swift.sh
+++ b/testing/get-swift.sh
@@ -5,14 +5,19 @@ set -ex
 . /etc/lsb-release
 if [ "$DISTRIB_CODENAME" = "trusty" ]; then
     SWIFT_TARBALL="swift-4.0.3-RELEASE-ubuntu14.04.tar.gz"
+    SWIFT_HASH="dddb40ec4956e4f6a3f4532d859691d5d1ba8822f6e8b4ec6c452172dbede5ae"
     SWIFT_URL="https://swift.org/builds/swift-4.0.3-release/ubuntu1404/swift-4.0.3-RELEASE/$SWIFT_TARBALL"
 else
     SWIFT_TARBALL="swift-4.0.3-RELEASE-ubuntu16.04.tar.gz"
+    SWIFT_HASH="9adf64cabc7c02ea2d08f150b449b05e46bd42d6e542bf742b3674f5c37f0dbf"
     SWIFT_URL="https://swift.org/builds/swift-4.0.3-release/ubuntu1604/swift-4.0.3-RELEASE/$SWIFT_TARBALL"
 fi
 
+mkdir -p "$HOME"/.swift
 pushd "$HOME"/.swift
     wget -N -c "$SWIFT_URL"
+    echo "$SWIFT_HASH  $SWIFT_TARBALL" > hash.txt
+    shasum -a 256 -c hash.txt
 popd
 
 mkdir -p /tmp/swift