From 1d61a557bfe9915c36665fca759c0c395388ce4b Mon Sep 17 00:00:00 2001
From: yohamta <yohamta@gmail.com>
Date: Thu, 4 Aug 2022 19:25:21 +0900
Subject: [PATCH 1/2] Allow DAGs to be loaded without specifying an extension

---
 cmd/start_test.go                     | 4 ++++
 internal/config/loader.go             | 3 +++
 internal/config/loader_test.go        | 5 +++++
 tests/testdata/cmd_start_success.yaml | 3 +++
 4 files changed, 15 insertions(+)
 create mode 100644 tests/testdata/cmd_start_success.yaml

diff --git a/cmd/start_test.go b/cmd/start_test.go
index 0ed96727d..d2614bc66 100644
--- a/cmd/start_test.go
+++ b/cmd/start_test.go
@@ -18,6 +18,10 @@ func Test_startCommand(t *testing.T) {
 			args: []string{"", "start", "--params=x y", testConfig("cmd_start_with_params_2.yaml")}, errored: false,
 			output: []string{"params are x and y"},
 		},
+		{
+			args: []string{"", "start", testConfig("cmd_start_success")}, errored: false,
+			output: []string{"1 finished"},
+		},
 	}
 
 	for _, v := range tests {
diff --git a/internal/config/loader.go b/internal/config/loader.go
index 186f7ad87..9f1c3e3fe 100644
--- a/internal/config/loader.go
+++ b/internal/config/loader.go
@@ -109,6 +109,9 @@ func (cl *Loader) loadConfig(f string, opts *BuildConfigOptions) (*Config, error
 	if f == "" {
 		return nil, fmt.Errorf("config file was not specified")
 	}
+	if !strings.HasSuffix(f, ".yaml") && !strings.HasSuffix(f, ".yml") {
+		f = fmt.Sprintf("%s.yaml", f)
+	}
 	file, err := filepath.Abs(f)
 	if err != nil {
 		return nil, err
diff --git a/internal/config/loader_test.go b/internal/config/loader_test.go
index 73555d2e0..dcf9f0e6e 100644
--- a/internal/config/loader_test.go
+++ b/internal/config/loader_test.go
@@ -15,6 +15,11 @@ func TestLoadConfig(t *testing.T) {
 	}
 	_, err := l.Load(testConfig, "")
 	require.NoError(t, err)
+
+	// without .yaml
+	s := path.Join(testDir, "config_load")
+	_, err = l.Load(s, "")
+	require.NoError(t, err)
 }
 
 func TestLoadGlobalConfig(t *testing.T) {
diff --git a/tests/testdata/cmd_start_success.yaml b/tests/testdata/cmd_start_success.yaml
new file mode 100644
index 000000000..945467f2b
--- /dev/null
+++ b/tests/testdata/cmd_start_success.yaml
@@ -0,0 +1,3 @@
+steps:
+  - name: "1"
+    command: "true"
\ No newline at end of file

From 46fb89df85dfce21168eddbbd3dd91686ff40949 Mon Sep 17 00:00:00 2001
From: yohamta <yohamta@gmail.com>
Date: Thu, 4 Aug 2022 19:49:23 +0900
Subject: [PATCH 2/2] Add subdag examples

---
 examples/calling_subdag_main.yaml | 3 +++
 examples/calling_subdag_sub.yaml  | 3 +++
 2 files changed, 6 insertions(+)
 create mode 100644 examples/calling_subdag_main.yaml
 create mode 100644 examples/calling_subdag_sub.yaml

diff --git a/examples/calling_subdag_main.yaml b/examples/calling_subdag_main.yaml
new file mode 100644
index 000000000..7cac6cdb6
--- /dev/null
+++ b/examples/calling_subdag_main.yaml
@@ -0,0 +1,3 @@
+steps:
+  - name: step1
+    command: dagu start calling_subdag_sub
diff --git a/examples/calling_subdag_sub.yaml b/examples/calling_subdag_sub.yaml
new file mode 100644
index 000000000..b072c5ac3
--- /dev/null
+++ b/examples/calling_subdag_sub.yaml
@@ -0,0 +1,3 @@
+steps:
+  - name: step1
+    command: echo hello