patch/cd: add cd sub-cmd

Implement the :patch cd command. Change the directory to the project's
root directory that was determined during the :patch init setup process.

Signed-off-by: Koni Marti <koni.marti@gmail.com>
Acked-by: Robin Jarry <robin@jarry.cc>

1 files changed, 42 insertions, 0 deletions

diff --git a/commands/patch/cd.go b/commands/patch/cd.go
new file mode 100644
index 00000000..86a2db3e
--- /dev/null
+++ b/commands/patch/cd.go
@@ -0,0 +1,42 @@
+package patch
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"git.sr.ht/~rjarry/aerc/app"
+	"git.sr.ht/~rjarry/aerc/lib/pama"
+)
+
+type Cd struct{}
+
+func init() {
+	register(Cd{})
+}
+
+func (Cd) Aliases() []string {
+	return []string{"cd"}
+}
+
+func (Cd) Execute(args []string) error {
+	p, err := pama.New().CurrentProject()
+	if err != nil {
+		return err
+	}
+	cwd, err := os.Getwd()
+	if err != nil {
+		return err
+	}
+	if cwd == p.Root {
+		app.PushStatus("Already here.", 10*time.Second)
+		return nil
+	}
+	err = os.Chdir(p.Root)
+	if err != nil {
+		return err
+	}
+	app.PushStatus(fmt.Sprintf("Changed to %s.", p.Root),
+		10*time.Second)
+	return nil
+}