fix: run extra in subshell so that the environment is not messed up (#44

)

lib/hooks/copy.nix

@@ -3,6 +3,10 @@ let
   inherit (hookConfig) output extra;
 in
 ''
+  extra_hook() (
+  true
+  ${extra}
+  )
   # Check if the file exists
   if [[ -f ${output} ]]; then
     # Check if we need to update the local copy
@@ -12,7 +16,7 @@ in
       install -m 644 ${configFile} ${output}
 
       # Run extra shell hook
-      ${extra}
+      extra_hook
     else
       log "${output} copy is up to date"
     fi
@@ -23,6 +27,6 @@ in
     log "${output} copy created"
 
     # Run extra shell hook
-    ${extra}
+    extra_hook
   fi
 ''

lib/hooks/link.nix

@@ -5,6 +5,10 @@ let
   gitignore-sentinel = "ignore-linked-files";
 in
 ''
+  extra_hook() (
+  true
+  ${extra}
+  )
   # Check if the link is pointing to the existing derivation result
   if readlink ${output} >/dev/null \
     && [[ $(readlink ${output}) == ${configFile} ]]; then
@@ -22,7 +26,7 @@ in
     ln -s ${configFile} ${output}
 
     # Run extra shell hook
-    ${extra}
+    extra_hook
   else
     # this was an existing file
     error "refusing to overwrite ${output}"