From 045e1d911cc2ca3bf7df74deafc56110f73aeb22 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20M=2E=20Bezerra?= <marcospb19@hotmail.com>
Date: Wed, 26 May 2021 02:48:14 -0300
Subject: [PATCH] Added installation script

Fixes #37
---
 install.sh | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 install.sh

diff --git a/install.sh b/install.sh
new file mode 100644
index 0000000..a8a2ab1
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,78 @@
+#! /usr/bin/sh
+
+# Needs to be updated each version bump
+VERSION="0.1.4"
+
+DOWNLOAD_LOCATION="/tmp/ouch"
+INSTALLATION_LOCATION="/usr/bin/ouch"
+REPO_URL="https://github.com/vrmiguel/ouch"
+
+abort() {
+    echo "error occurred, aborting." ; exit 1
+}
+
+# Panicks script if anything fails
+set -e
+
+echo "Ouch v$VERSION."
+
+printf "Detected system: "
+# System detection from https://stackoverflow.com/a/27776822/9982477
+# Go there to see a full table of what `uname -s` might output
+case "$(uname -s)" in
+    Darwin)
+        system_suffix="-macOS"
+        echo "Mac OS X."
+    ;;
+
+    Linux)
+        echo "Linux."
+        system_suffix="-ubuntu-18.04-glibc"
+    ;;
+
+    CYGWIN*|MINGW32*|MSYS*|MINGW*)
+        echo "Windows."
+        system_suffix=".exe"
+    ;;
+
+    *)
+        echo "ERROR."
+        echo "This script only works for installing on Linux, Mac OS and Windows."
+        echo "We found '$(uname -s)' instead."
+        echo ""
+        echo "To install 'ouch' you can opt for other installation method"
+        echo "listed at $REPO_URL"
+        echo ""
+        echo "If you think this is an error, please open an issue"
+        exit 1
+    ;;
+esac
+
+binary_url="https://github.com/vrmiguel/ouch/releases/download/${VERSION}/ouch${system_suffix}"
+
+echo ""
+
+if [ -f "$DOWNLOAD_LOCATION" ]; then
+    echo "Reusing downloaded binary at '$DOWNLOAD_LOCATION'."
+else
+    echo "Downloading binary to '$DOWNLOAD_LOCATION' with curl."
+    echo "From $binary_url"
+    curl -fSL $binary_url -o $DOWNLOAD_LOCATION
+fi
+
+echo ""
+
+if [ "$USER" = "root" ]; then
+    echo "Detected root user, trying to copy $DOWNLOAD_LOCATION to $INSTALLATION_LOCATION."
+    cp $DOWNLOAD_LOCATION $INSTALLATION_LOCATION || abort
+else
+    echo "Asking for \"sudo\" permissions to finish installation."
+    echo "Permission is needed to copy '$DOWNLOAD_LOCATION' to '$INSTALLATION_LOCATION'"
+
+    sudo cp $DOWNLOAD_LOCATION $INSTALLATION_LOCATION || abort
+fi
+
+echo ""
+
+echo "Successfully installed!"
+echo "See $REPO_URL for usage instructions."