From a5bc54031e023e8c68a2415067d12a5fce6b4976 Mon Sep 17 00:00:00 2001
From: Derek Anderson <dmikey@users.noreply.github.com>
Date: Mon, 15 Jul 2024 15:13:59 -0500
Subject: [PATCH] Downloads a Javy Release

Signed-off-by: Derek Anderson <dmikey@users.noreply.github.com>
---
 download.sh | 129 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100755 download.sh

diff --git a/download.sh b/download.sh
new file mode 100755
index 00000000..bd8b3bc0
--- /dev/null
+++ b/download.sh
@@ -0,0 +1,129 @@
+#!/bin/bash
+TMP_DIR="/tmp/blsjavy"
+function cleanup {
+	rm -rf $TMP_DIR > /dev/null
+}
+function fail {
+	cleanup
+	msg=$1
+	echo "============"
+	echo "Error: $msg" 1>&2
+	exit 1
+}
+function install {
+	#settings
+	USER="blocklessnetwork"
+	PROG='blsjavy'
+	MOVE="true"
+	RELEASE="latest"
+	INSECURE="false"
+	OUT_DIR="$HOME/.bin"
+	GH="https://github.com"
+	#bash check
+	[ ! "$BASH_VERSION" ] && fail "Please use bash instead"
+	[ ! -d $OUT_DIR ] && mkdir -p $OUT_DIR
+	#dependency check, assume we are a standard POSIX machine
+	which find > /dev/null || fail "find not installed"
+	which xargs > /dev/null || fail "xargs not installed"
+	which sort > /dev/null || fail "sort not installed"
+	which tail > /dev/null || fail "tail not installed"
+	which cut > /dev/null || fail "cut not installed"
+	which du > /dev/null || fail "du not installed"
+	GET=""
+	if which curl > /dev/null; then
+		GET="curl"
+		if [[ $INSECURE = "true" ]]; then GET="$GET --insecure"; fi
+		GET="$GET --fail -# -L"
+	elif which wget > /dev/null; then
+		GET="wget"
+		if [[ $INSECURE = "true" ]]; then GET="$GET --no-check-certificate"; fi
+		GET="$GET -qO-"
+	else
+		fail "neither wget/curl are installed"
+	fi
+	#find OS #TODO BSDs and other posixs
+	case `uname -s` in
+	Darwin) OS="darwin";;
+	Linux) OS="linux";;
+	*) fail "unknown os: $(uname -s)";;
+	esac
+	#find ARCH
+	if uname -m | grep 64 | grep arm > /dev/null; then
+		ARCH="arm64"
+	elif uname -m | grep 64 | grep aarch > /dev/null; then
+		ARCH="arm64"
+	elif uname -m | grep 64 > /dev/null; then
+		ARCH="amd64"
+	elif uname -m | grep arm > /dev/null; then
+		ARCH="arm" #TODO armv6/v7
+	elif uname -m | grep 386 > /dev/null; then
+		ARCH="386"
+	else
+		fail "unknown arch: $(uname -m)"
+	fi
+
+	#choose from asset list
+	URL=""
+	FTYPE=""
+	DEFAULT_VERSION="v1.4.0"
+	VERSION=${1:-$DEFAULT_VERSION} 
+	case "${OS}_${ARCH}" in
+	"darwin_amd64")
+		URL="https://github.com/blocklessnetwork/bls-javy/releases/download/${VERSION}/javy-x86_64-macos-${VERSION}.gz"
+		FTYPE=".gz"
+		;;
+	"darwin_arm64")
+		URL="https://github.com/blocklessnetwork/bls-javy/releases/download/${VERSION}/javy-arm-macos-${VERSION}.gz"
+		FTYPE=".gz"
+		;;
+	"linux_amd64")
+		URL="https://github.com/blocklessnetwork/bls-javy/releases/download/${VERSION}/javy-x86_64-linux-${VERSION}.gz"
+		FTYPE=".gz"
+		;;
+	"linux_arm64")
+		URL="https://github.com/blocklessnetwork/bls-javy/releases/download/${VERSION}/javy-arm-linux-${VERSION}.gz"
+		FTYPE=".gz"
+		;;
+	*) fail "No asset for platform ${OS}-${ARCH}";;
+	esac
+	#echo the URL
+	echo "Download URL: $URL"
+	#got URL! download it...
+	echo -n "Installing $PROG $VERSION"
+	
+	echo "....."
+	
+	#enter tempdir
+	mkdir -p $TMP_DIR
+	cd $TMP_DIR
+	if [[ $FTYPE = ".gz" ]]; then
+		which gzip > /dev/null || fail "gzip is not installed"
+		#gzipped binary
+		NAME="${PROG}_${OS}_${ARCH}.gz"
+		#gz download!
+		bash -c "$GET $URL" | gzip -d - > $PROG || fail "download failed"
+	elif [[ $FTYPE = "" ]]; then
+		bash -c "$GET $URL" > "b7s_${OS}_${ARCH}" || fail "download failed"
+	else
+		fail "unknown file type: $FTYPE"
+	fi
+	#search subtree largest file (bin)
+	TMP_BIN=$(find . -type f | xargs du | sort -n | tail -n 1 | cut -f 2)
+	if [ ! -f "$TMP_BIN" ]; then
+		fail "could not find binary (largest file)"
+	fi
+	#ensure its larger than 1MB
+	if [[ $(du -m $TMP_BIN | cut -f1) -lt 1 ]]; then
+		fail "no binary found ($TMP_BIN is not larger than 1MB)"
+	fi
+	#move into PATH or cwd
+	chmod +x $TMP_BIN || fail "chmod +x failed"
+	
+	mv $TMP_BIN $OUT_DIR/$PROG || fail "mv failed" #FINAL STEP!
+	echo "Installed $PROG $VERSION at $OUT_DIR/$PROG"
+	#done
+	cleanup
+	echo "Please add the following line to your .bashrc or .zshrc:"
+	echo 'export PATH="$HOME/.bin:$PATH"'
+}
+install $1
\ No newline at end of file