From 1900a57e39da08b767549c9bf5f1f9f0066a5d64 Mon Sep 17 00:00:00 2001
From: Caleb Bassi <calebjbassi@gmail.com>
Date: Wed, 6 Feb 2019 21:24:48 -0800
Subject: Refactor scripts/download.sh

---
 scripts/download.sh | 60 +++++++++++++++++++++++++++--------------------------
 1 file changed, 31 insertions(+), 29 deletions(-)

diff --git a/scripts/download.sh b/scripts/download.sh
index 3b1e4e5..049caae 100755
--- a/scripts/download.sh
+++ b/scripts/download.sh
@@ -1,39 +1,41 @@
 #!/usr/bin/env bash
 
-
-get_latest_release_version() {
-  curl --silent "https://api.github.com/repos/$1/releases/latest" | # Get latest release from GitHub api
+# https://gist.github.com/lukechilds/a83e1d7127b78fef38c2914c4ececc3c
+function get_latest_release {
+    curl --silent "https://api.github.com/repos/$1/releases/latest" | # Get latest release from GitHub api
     grep '"tag_name":' |                                            # Get tag line
     sed -E 's/.*"([^"]+)".*/\1/'                                    # Pluck JSON value
 }
 
-
-download() {
-    archive=gotop_${version}_${1}.tgz
-    curl -LO https://github.com/cjbassi/gotop/releases/download/$version/$archive
-    tar xf $archive
-    rm $archive
+function download {
+    ARCHIVE=gotop_${RELEASE}_${1}.tgz
+    curl -LO https://github.com/cjbassi/gotop/releases/download/${RELEASE}/${ARCHIVE}
+    tar xf ${ARCHIVE}
+    rm ${ARCHIVE}
 }
 
+function main {
+    ARCH=$(uname -sm)
+    RELEASE=$(get_latest_release 'cjbassi/gotop')
 
-arch=$(uname -sm)
-version=$(get_latest_release_version 'cjbassi/gotop')
+    case "${ARCH}" in
+        # order matters
+        Darwin\ *64)        download darwin_amd64   ;;
+        Darwin\ *86)        download darwin_386     ;;
+        Linux\ armv5*)      download linux_arm5     ;;
+        Linux\ armv6*)      download linux_arm6     ;;
+        Linux\ armv7*)      download linux_arm7     ;;
+        Linux\ armv8*)      download linux_arm8     ;;
+        Linux\ aarch64*)    download linux_arm8     ;;
+        Linux\ *64)         download linux_amd64    ;;
+        Linux\ *86)         download linux_386      ;;
+        *)
+            echo "\
+    No binary found for your system.
+    Feel free to request that we prebuild one that works on your system."
+            exit 1
+            ;;
+    esac
+}
 
-case "$arch" in
-    # order matters
-    Darwin\ *64)        download darwin_amd64   ;;
-    Darwin\ *86)        download darwin_386     ;;
-    Linux\ armv5*)      download linux_arm5     ;;
-    Linux\ armv6*)      download linux_arm6     ;;
-    Linux\ armv7*)      download linux_arm7     ;;
-    Linux\ armv8*)      download linux_arm8     ;;
-    Linux\ aarch64*)    download linux_arm8     ;;
-    Linux\ *64)         download linux_amd64    ;;
-    Linux\ *86)         download linux_386      ;;
-    *)
-        echo "\
-No binary found for your system.
-Feel free to request that we prebuild one that works on your system."
-        exit 1
-        ;;
-esac
+main
-- 
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