fix(main/proton-bridge): check tag before auto-updating

- check whether this tag is 'bridge' tag or not. For more info see:
  https://github.com/ProtonMail/proton-bridge/blob/master/BUILDS.md#tags

Fixes #10813

%ci:no-build

Signed-off-by: Aditya Alok <dev.aditya.alok@gmail.com>

packages/proton-bridge/build.sh

@@ -3,23 +3,36 @@ TERMUX_PKG_DESCRIPTION="ProtonMail Bridge application"
 TERMUX_PKG_LICENSE="GPL-3.0"
 TERMUX_PKG_VERSION=2.1.3
 TERMUX_PKG_SRCURL=https://github.com/ProtonMail/proton-bridge.git
-TERMUX_PKG_GIT_BRANCH=br-$TERMUX_PKG_VERSION
+TERMUX_PKG_GIT_BRANCH=br-${TERMUX_PKG_VERSION}
 TERMUX_PKG_MAINTAINER="Radomír Polách <rp@t4d.cz>"
 TERMUX_PKG_DEPENDS=libsecret
 TERMUX_PKG_AUTO_UPDATE=true
+TERMUX_PKG_UPDATE_VERSION_REGEXP="\d+\.\d+\.\d+"
 # The go-rfc5322 module cannot currently be compiled for 32-bit OSes:
 # https://github.com/ProtonMail/proton-bridge/blob/v2.1.1/BUILDS.md#prerequisites
 TERMUX_PKG_BLACKLISTED_ARCHES="arm, i686"
 
+termux_pkg_auto_update() {
+	local tag
+	tag="$(termux_github_api_get_tag "${TERMUX_PKG_SRCURL}")"
+
+	if ! grep -qE "^br-${TERMUX_PKG_UPDATE_VERSION_REGEXP}\$" <<<"${tag}"; then
+		echo "WARNING: Skipping update. This tag is not a 'bridge' tag. (${tag})"
+		return 0
+	fi
+
+	termux_pkg_upgrade_version "${tag}"
+}
+
 termux_step_make() {
 	termux_setup_golang
-	export GOPATH=$TERMUX_PKG_BUILDDIR
-	cd $TERMUX_PKG_SRCDIR
+	export GOPATH="${TERMUX_PKG_BUILDDIR}"
+	cd "${TERMUX_PKG_SRCDIR}" || exit 1
 
 	make build-nogui
 }
 
 termux_step_make_install() {
-	install -Dm700 $TERMUX_PKG_SRCDIR/proton-bridge \
-		"$TERMUX_PREFIX"/bin/proton-bridge
+	install -Dm700 "${TERMUX_PKG_SRCDIR}"/proton-bridge \
+		"${TERMUX_PREFIX}"/bin/proton-bridge
 }