chore(script/update-packages): Script cleanup

scripts/bin/update-packages

@@ -126,9 +126,9 @@ declare -A _LATEST_TAGS=()
 declare -A _FAILED_UPDATES=()
 declare -a _ALREADY_SEEN=() # Array of packages successfully updated or skipped.
 
-# _fetch_and_cache_tags fetches all possible tags using termux_pkg_auto_update, but using Ninja build system. 
-# The key difference is that we make the process concurrent, allowing us to fetch tags simultaneously rather than one at a time. 
-# Once all tags are cached, the termux_pkg_auto_update function will operate much more quickly. 
+# _fetch_and_cache_tags fetches all possible tags using termux_pkg_auto_update, but using Ninja build system.
+# The key difference is that we make the process concurrent, allowing us to fetch tags simultaneously rather than one at a time.
+# Once all tags are cached, the termux_pkg_auto_update function will operate much more quickly.
 # We avoid packages with overwritten termux_pkg_auto_update to prevent unexpected modifications to the package`s build.sh.
 _fetch_and_cache_tags() {
 	if [ "$(uname -o)" = "Android" ] || [ -e "/system/bin/app_process" ]; then
@@ -137,7 +137,7 @@ _fetch_and_cache_tags() {
 			return 0
 		fi
 	fi
-	
+
 	if ! command -v ninja &> /dev/null; then
 		echo "INFO: Fetching ninja build system"
 		. "${TERMUX_SCRIPTDIR}"/scripts/build/termux_download.sh
@@ -150,20 +150,26 @@ _fetch_and_cache_tags() {
 	# First invocation of termux_repology_api_get_latest_version fetches and caches repology metadata.
 	quiet termux_repology_api_get_latest_version ' '
 
-    local __PACKAGES=()
+	local __PACKAGES=()
 	for repo_dir in $(jq --raw-output 'del(.pkg_format) | keys | .[]' "${TERMUX_SCRIPTDIR}/repo.json"); do
 		for pkg_dir in "${repo_dir}"/*; do
-			! quiet _should_update "${pkg_dir}" && continue # Skip if not needed.
+			quiet _should_update "${pkg_dir}" || continue # Skip if not needed.
 			grep -q '^termux_pkg_auto_update' "${pkg_dir}/build.sh" && continue # Skip if package has custom auto-update
 			__PACKAGES+=("${pkg_dir}")
 		done
 	done
 
+	# This is called indirectly in the ninja file
+	# So silence shellcheck's unreachable code warning
+	# shellcheck disable=SC2317
 	__main__() {
 		cd ${TERMUX_SCRIPTDIR}
 		export TERMUX_PKG_NAME="${1##*/}" TERMUX_PKG_BUILDER_DIR=${1}
 		set +eu;
-		for i in scripts/updates/{**/,}*.sh "${1}/build.sh"; do source ${i}; done
+		for i in scripts/updates/{**/,}*.sh "${1}/build.sh"; do
+			# shellcheck disable=SC1090
+			source "${i}"
+		done
 		set -eu
 		termux_pkg_upgrade_version() {
 			[[ -n "$1" ]] && echo "PKG|$TERMUX_PKG_NAME|${1#*:}"
@@ -176,20 +182,22 @@ _fetch_and_cache_tags() {
 		termux_pkg_auto_update
 	}
 
+	# This function generates a ninja file for all packages in the ${__PACKAGES[@]}
 	__generate__() {
 		echo "rule update"
-		echo " command = bash -c \"\$\$F\" -- \$pkg_dir ||:"
+		echo " command = bash -c \"\$\$F\" -- \$pkg_dir || :"
 		sed 's/[^ ]\+/\nbuild &: update\n pkg_dir=&/g' <<< "${__PACKAGES[@]}"
-		echo "build run_all: phony ${__PACKAGES[@]}"
+		echo "build run_all: phony ${__PACKAGES[*]}"
 		echo "default run_all"
 	}
-
-	local LATEST_TAGS="$(\
+
+	local LATEST_TAGS
+	LATEST_TAGS="$(
 		F="$(declare -p TERMUX_SCRIPTDIR GITHUB_TOKEN TERMUX_REPOLOGY_DATA_FILE); $(declare -f __main__ | sed 's/__main__ ()//')" \
-		env --chdir=/tmp  ninja -f /dev/stdin <<< "$(__generate__)" |& grep "^PKG|"
+		env --chdir=/tmp ninja -f /dev/stdin < <(__generate__ |& grep "^PKG|")
 	)"
-	
-	unset -f __main__  __generate__
+
+	unset -f __main__ __generate__
 	while IFS='|' read -r _ pkg version; do
 		_LATEST_TAGS["${pkg:-_}"]="$version"
 	done <<< "$LATEST_TAGS"
@@ -303,7 +311,7 @@ _update_dependencies() {
 			termux_error_exit "ERROR: Obtaining update order failed for $(basename "${pkg_dir}")"
 		fi
 		_should_update "${dep_dir}"  && ! _check_updated "${dep_dir}" && _run_update "${dep_dir}"
-	done <<<"$("${TERMUX_SCRIPTDIR}"/scripts/buildorder.py "${pkg_dir}" $TERMUX_PACKAGES_DIRECTORIES || echo "ERROR")"
+	done < <("${TERMUX_SCRIPTDIR}"/scripts/buildorder.py "${pkg_dir}" $TERMUX_PACKAGES_DIRECTORIES || echo "ERROR")
 }
 
 echo "INFO: Running update for: $*"
@@ -367,7 +375,7 @@ _gh_create_new_issue() {
 	fi
 
 	# Extract origin URL, commit hash and builder directory and put everything together
-	link="$(git config --get remote.origin.url |sed -E 's|\.git$||; s|git@([^:]+):(.+)|https://\1/\2|')/blob/$(git rev-parse HEAD)/$(echo */$1)"
+	link="$(git config --get remote.origin.url | sed -E 's|\.git$||; s|git@([^:]+):(.+)|https://\1/\2|')/blob/$(git rev-parse HEAD)/$(echo */"$1")"
 
 	body="$(
 		cat <<-EOF