feat: resolve dependencies in batch trust commands

tests/unit/interactive.bats

@@ -292,11 +292,49 @@ UPGRADE='apt-get -y -o Dpkg::Options::=--force-confdef -o Dpkg::Options::=--forc
 	run skup --no-refresh <<<$'*+\nl\nq'
 	assert_success
 	assert_line 'trusted su-dummy-a (+1 dependency: su-dummy-b)'
-	assert_line 'trusted su-dummy-b'
 	assert_line 'trusted su-dummy-c'
 	assert_line '3 upgradable, 3 trusted (hidden, use --all to show), 0 to review:'
 	run cut -f2,3 "$STATE_FILE"
-	assert_line "su-dummy-b${T}user"
+	assert_line "su-dummy-b${T}dep:su-dummy-a"
+}
+
+@test "consecutive trust commands keep dependencies under their selected root in either order" {
+	for line in '1+ 2+ 3+' '2+ 3+ 1+'; do
+		rm -rf "$STATE"
+		run skup --no-refresh <<<"$line"$'\nq'
+		assert_success
+		assert_line 'trusted su-dummy-a (+1 dependency: su-dummy-b)'
+		assert_line 'trusted su-dummy-c'
+		refute_output --partial 'no package ['
+		run cut -f2,3 "$STATE_FILE"
+		assert_line "su-dummy-a${T}user"
+		assert_line "su-dummy-b${T}dep:su-dummy-a"
+		assert_line "su-dummy-c${T}user"
+	done
+}
+
+@test "invalid numbers do not stop other commands on the line" {
+	run skup --no-refresh <<<$'9+ 2- 0? 3+\nq'
+	assert_success
+	assert_output --partial 'no package [9] in the list'
+	assert_output --partial 'no package [0] in the list'
+	assert_line 'excluded from this run: su-dummy-b'
+	assert_line 'trusted su-dummy-c'
+}
+
+@test "a package removed by a purge does not stop later commands" {
+	FAKE_APT_AUTO_ORPHANS=su-dummy-a:su-dummy-b run skup --no-refresh <<<$'1x 2? 3-\ny\nq'
+	assert_success
+	assert_output --partial 'no package [2] in the list'
+	assert_line 'excluded from this run: su-dummy-c'
+}
+
+@test "trusting a dependency and its root with --all keeps the dependency implicit" {
+	run skup --no-refresh --all <<<$'2+ 1+\nq'
+	assert_success
+	run cut -f2,3 "$STATE_FILE"
+	assert_line "su-dummy-a${T}user"
+	assert_line "su-dummy-b${T}dep:su-dummy-a"
 }
 
 @test "*- excludes every listed package; *- again re-includes them" {