v2fly-geodata: add update script

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>

v2fly-geodata/update.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+set -x
+
+export CURDIR="$(cd "$(dirname $0)"; pwd)"
+
+function update_geodata() {
+	local type="$1"
+	local repo="$2"
+	local res="$3"
+	local tag ver sha line
+
+	tag="$(curl -H "Authorization: $GITHUB_TOKEN" -sL "https://api.github.com/repos/$repo/releases/latest" | jq -r ".tag_name")"
+	[ -n "$tag" ] || return 1
+
+	ver="$(awk -F "${type}_VER:=" '{print $2}' "$CURDIR/Makefile" | xargs)"
+	[ "$tag" != "$ver" ] || return 2
+
+	sha="$(curl -fsSL "https://github.com/$repo/releases/download/$tag/$res.dat.sha256sum" | awk '{print $1}')"
+	[ -n "$sha" ] || return 1
+
+	line="$(awk "/FILE:=\\$\(${type}_FILE\)/ {print NR}" "$CURDIR/Makefile")"
+	sed -i -e "s/${type}_VER:=.*/${type}_VER:=$tag/" \
+	       -e "$((line + 1))s/HASH:=.*/HASH:=$sha/" \
+		"$CURDIR/Makefile"
+}
+
+update_geodata "GEOIP" "v2fly/geoip" "geoip"
+update_geodata "GEOSITE" "v2fly/domain-list-community" "dlc"