initial version of check-updates script

Compares local package versions with their upstream and notifies
whether updates are needed.

Limited to Github-based projects only and needs a personal access
token to get a higher API requests rate limit.

scripts/updates/check-updates.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+set -e -u
+BASEDIR=$(dirname "$(realpath "$0")")
+
+if [ -z "${GITHUB_API_TOKEN-}" ]; then
+	echo "You need a Github Personal Access Token be set in variable GITHUB_API_TOKEN."
+	exit 1
+fi
+
+if [ -f "${BASEDIR}/github-projects.txt" ]; then
+	while read -r line; do
+		package=$(echo "$line" | cut -d'|' -f1)
+		project=$(echo "$line" | cut -d'|' -f2-)
+
+		if [ ! -d "${BASEDIR}/../../packages/${package}" ]; then
+			echo "Package '$package' is not available, skipping."
+		fi
+
+		# Our local version of package.
+		termux_version=$(. "${BASEDIR}/../../packages/${package}/build.sh" 2>/dev/null; echo "$TERMUX_PKG_VERSION")
+
+		# Latest version is the current release tag on Github.
+		latest_version=$(curl --silent -H "Authorization: token ${GITHUB_API_TOKEN}" "https://api.github.com/repos/${project}/releases/latest" | jq -r .tag_name)
+
+		# Remove leading 'v' which is common in version tag.
+		latest_version=${latest_version#v}
+
+		# We have no better choice for comparing versions.
+		if [ "$(echo -e "${termux_version}\n${latest_version}" | sort -V | head -n 1)" != "$latest_version" ] ;then
+			echo "Package '${package}' needs update to '${latest_version}'."
+		fi
+	done < "${BASEDIR}/github-projects.txt"
+fi

scripts/updates/github-projects.txt

@@ -0,0 +1,21 @@
+acr|radare/acr
+antibody|getantibody/antibody
+atomicparsley|wez/atomicparsley
+axel|axel-download-accelerator/axel
+bash-completion|scop/bash-completion
+bat|sharkdp/bat
+beanshell|beanshell/beanshell
+binaryen|WebAssembly/binaryen
+blackbox|StackExchange/blackbox
+bmon|tgraf/bmon
+brook|txthinking/brook
+brotli|google/brotli
+cava|karlstav/cava
+ccnet|haiwen/ccnet
+cicada|mitnk/cicada
+clash|Dreamacro/clash
+cmark|github/cmark
+cmatrix|abishekvashok/cmatrix
+cmusfm|Arkq/cmusfm
+cpulimit|opsengine/cpulimit
+croc|schollz/croc