From 9ce352249ce4714b5bde81b791db3848dc512b06 Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <brad@danga.com>
Date: Sat, 21 Apr 2018 12:50:24 -0700
Subject: [PATCH] internal/osutil: move the config dir to perkeep

Updates #981

Change-Id: I71ceea6395d31851e8502a2f397acb22056fe1b0
---
 internal/osutil/paths.go | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/internal/osutil/paths.go b/internal/osutil/paths.go
index b94a9ac86..86c25e0ce 100644
--- a/internal/osutil/paths.go
+++ b/internal/osutil/paths.go
@@ -18,6 +18,7 @@ package osutil
 
 import (
 	"flag"
+	"fmt"
 	"log"
 	"os"
 	"path/filepath"
@@ -127,6 +128,25 @@ func CamliConfigDir() string {
 }
 
 func camliConfigDir() string {
+	if fi, err := os.Lstat(oldCamliConfigDir()); err == nil && fi.IsDir() {
+		fmt.Fprintf(os.Stderr, "Error: old configuration directory detected. Not running until it's moved.\nRename %s to %s\n",
+			oldCamliConfigDir(), perkeepConfigDir())
+		os.Exit(1)
+	}
+	return perkeepConfigDir()
+}
+
+func perkeepConfigDir() string {
+	if runtime.GOOS == "windows" {
+		return filepath.Join(os.Getenv("APPDATA"), "Perkeep")
+	}
+	if xdg := os.Getenv("XDG_CONFIG_HOME"); xdg != "" {
+		return filepath.Join(xdg, "perkeep")
+	}
+	return filepath.Join(HomeDir(), ".config", "perkeep")
+}
+
+func oldCamliConfigDir() string {
 	if runtime.GOOS == "windows" {
 		return filepath.Join(os.Getenv("APPDATA"), "Camlistore")
 	}