fix(main/dialog): implement working termux_pkg_auto_update()

Author: robertkirkman

packages/dialog/build.sh

@@ -4,6 +4,7 @@ TERMUX_PKG_LICENSE="LGPL-2.1"
 TERMUX_PKG_MAINTAINER="@termux"
 TERMUX_PKG_DEPENDS="libandroid-support, ncurses"
 TERMUX_PKG_VERSION="1.3-20260107"
+TERMUX_PKG_REVISION=1
 TERMUX_PKG_SRCURL="https://invisible-island.net/archives/dialog/dialog-${TERMUX_PKG_VERSION}.tgz"
 TERMUX_PKG_SHA256=78b3dd18d95e50f0be8f9b9c1e7cffe28c9bf1cdf20d5b3ef17279c4da35c5b5
 TERMUX_PKG_AUTO_UPDATE=true
@@ -15,31 +16,12 @@ TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
 "
 
 termux_pkg_auto_update() {
-	local latest_version version_part date_part
-	latest_version="$(termux_repology_api_get_latest_version "${TERMUX_PKG_NAME}")"
-	# dialog is commonly packaged with a '-', '.', '_' or '+' delimiter
-	# between the version and date parts. We want to normalize that to a '-'.
-	version_part="${latest_version%[^0-9]*}"
-	date_part="${latest_version##*[^0-9]}"
+	local latest_version="$(curl --silent \
+		https://invisible-island.net/datafiles/release/dialog.tar.gz | \
+		tar --exclude='*/*' -tz | \
+		sed 's|dialog-\(.*\)/|\1|')"
 
-	if [[ -z "$version_part" || -z "$date_part" ]]; then
-		termux_error_exit <<-EOF
-			Couldn't parse latest_version for '$TERMUX_PKG_NAME'
-			Current version: $TERMUX_PKG_VERSION
-			Fetched version: $latest_version
-			Version part   : $version_part
-			Date part      : $date_part
-		EOF
-	# Sanity check that the new version is newer than the current one.
-	elif (( date_part < ${TERMUX_PKG_VERSION##*[^0-9]} )); then
-		termux_error_exit <<-EOF
-			Reported latest_version appears to be older than what we package?
-			Current version: $TERMUX_PKG_VERSION
-			Reported latest: $latest_version
-		EOF
-	fi
-
-	termux_pkg_upgrade_version "${version_part}-${date_part}"
+	termux_pkg_upgrade_version "${latest_version}"
 }
 
 termux_step_pre_configure() {