all: sync with master; upd chlog

scripts/snap/build.sh

@@ -0,0 +1,77 @@
+#!/bin/sh
+
+verbose="${VERBOSE:-0}"
+
+if [ "$verbose" -gt '0' ]
+then
+	set -x
+fi
+
+set -e -f -u
+
+# Function log is an echo wrapper that writes to stderr if the caller requested
+# verbosity level greater than 0.  Otherwise, it does nothing.
+#
+# TODO(a.garipov): Add to helpers.sh and use more actively in scripts.
+log() {
+	if [ "$verbose" -gt '0' ]
+	then
+		# Don't use quotes to get word splitting.
+		echo "$1" 1>&2
+	fi
+}
+
+version="$( ./AdGuardHome_amd64 --version | cut -d ' ' -f 4 )"
+if [ "$version" = '' ]
+then
+	log 'empty version from ./AdGuardHome_amd64'
+	exit 1
+fi
+readonly version
+
+log "version '$version'"
+
+for arch in\
+	'i386'\
+	'amd64'\
+	'armhf'\
+	'arm64'
+do
+	build_output="./AdGuardHome_${arch}"
+	snap_output="./AdGuardHome_${arch}.snap"
+	snap_dir="${snap_output}.dir"
+
+	# Create the meta subdirectory and copy files there.
+	mkdir -p "${snap_dir}/meta"
+	cp "$build_output" "${snap_dir}/AdGuardHome"
+	cp './snap/local/adguard-home-web.sh' "$snap_dir"
+	cp -r './snap/gui' "${snap_dir}/meta/"
+
+	# Create a snap.yaml file, setting the values.
+	sed\
+		-e 's/%VERSION%/'"$version"'/'\
+		-e 's/%ARCH%/'"$arch"'/'\
+		./snap/snap.tmpl.yaml\
+		> "${snap_dir}/meta/snap.yaml"
+
+	# TODO(a.garipov): The snapcraft tool will *always* write everything,
+	# including errors, to stdout.  And there doesn't seem to be a way to change
+	# that.  So, save the combined output, but only show it when snapcraft
+	# actually fails.
+	set +e
+	snapcraft_output="$(
+		snapcraft pack "$snap_dir" --output "$snap_output" 2>&1
+	)"
+	snapcraft_exit_code="$?"
+	set -e
+
+	if [ "$snapcraft_exit_code" -ne '0' ]
+	then
+		log "$snapcraft_output"
+		exit "$snapcraft_exit_code"
+	fi
+
+	log "$snap_output"
+
+	rm -f -r "$snap_dir"
+done