From 694309e7cae73b7f428238fc51242d1804c1cf4a Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@jerkface.net>
Date: Wed, 27 May 2020 21:58:55 -0400
Subject: handle case where $SUDO_USER is not set

---
 fsmgr.hs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fsmgr.hs b/fsmgr.hs
index 3a59a53..ca80f8a 100644
--- a/fsmgr.hs
+++ b/fsmgr.hs
@@ -122,7 +122,7 @@ absPath f = do
 
 getHomeDir :: Action FilePath
 getHomeDir = do
-  Stdout homeDir <- cmd ["sh", "-c", "getent passwd \"$SUDO_USER\"|(IFS=: read _ _ _ _ _ d _; printf %s \"$d\")"]
+  Stdout homeDir <- cmd "sh -c" ["if [ \"$SUDO_USER\" ]; then getent passwd \"$SUDO_USER\" | cut -d: -f6; else printf \"%s\n\" \"$HOME\"; fi"]
   return homeDir
 
 buildInitialImage :: DiskImageConfig -> FilePath -> FilePath -> Action ()
-- 
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