From a1f0c3ed7cb590789aa848a466f85f78f912282d Mon Sep 17 00:00:00 2001
From: Svyatoslav Ilinskiy <ilinskiy.sv@gmail.com>
Date: Tue, 9 Jan 2018 10:57:06 -0600
Subject: [PATCH] Rename `ps --filter` option from `key` to `source`.

Signed-off-by: Svyatoslav Ilinskiy <ilinskiy.sv@gmail.com>
---
 compose/cli/main.py                    | 10 +++++-----
 contrib/completion/bash/docker-compose |  4 ++--
 tests/acceptance/cli_test.py           |  4 ++--
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/compose/cli/main.py b/compose/cli/main.py
index 3b6e25ccb..224e6263a 100644
--- a/compose/cli/main.py
+++ b/compose/cli/main.py
@@ -1349,13 +1349,13 @@ def filter_services(filt, services, project):
                 containers = project.containers([service.name], stopped=True)
                 if not has_container_with_state(containers, state):
                     return False
-            elif f == 'key':
-                key = filt[f]
-                if key == 'image' or key == 'build':
-                    if key not in service.options:
+            elif f == 'source':
+                source = filt[f]
+                if source == 'image' or source == 'build':
+                    if source not in service.options:
                         return False
                 else:
-                    raise UserError("Invalid value for key filter: %s" % key)
+                    raise UserError("Invalid value for source filter: %s" % source)
             else:
                 raise UserError("Invalid filter: %s" % f)
         return True
diff --git a/contrib/completion/bash/docker-compose b/contrib/completion/bash/docker-compose
index 248ff9285..bbc08e583 100644
--- a/contrib/completion/bash/docker-compose
+++ b/contrib/completion/bash/docker-compose
@@ -66,12 +66,12 @@ __docker_compose_services_all() {
 
 # All services that are defined by a Dockerfile reference
 __docker_compose_services_from_build() {
-	COMPREPLY=( $(compgen -W "$(__docker_compose_q ps --services --filter "key=build")" -- "$cur") )
+	COMPREPLY=( $(compgen -W "$(__docker_compose_q ps --services --filter "source=build")" -- "$cur") )
 }
 
 # All services that are defined by an image
 __docker_compose_services_from_image() {
-	COMPREPLY=( $(compgen -W "$(__docker_compose_q ps --services --filter "key=image")" -- "$cur") )
+	COMPREPLY=( $(compgen -W "$(__docker_compose_q ps --services --filter "source=image")" -- "$cur") )
 }
 
 # The services for which at least one paused container exists
diff --git a/tests/acceptance/cli_test.py b/tests/acceptance/cli_test.py
index c6240419f..7622380a1 100644
--- a/tests/acceptance/cli_test.py
+++ b/tests/acceptance/cli_test.py
@@ -469,8 +469,8 @@ class CLITestCase(DockerClientTestCase):
 
     def test_ps_services_filter_option(self):
         self.base_dir = 'tests/fixtures/ps-services-filter'
-        image = self.dispatch(['ps', '--services', '--filter', 'key=image'])
-        build = self.dispatch(['ps', '--services', '--filter', 'key=build'])
+        image = self.dispatch(['ps', '--services', '--filter', 'source=image'])
+        build = self.dispatch(['ps', '--services', '--filter', 'source=build'])
         all_services = self.dispatch(['ps', '--services'])
 
         assert 'with_build' in all_services.stdout