Fix command detection in Hyprland Lua

default/hypr/helpers.lua

@@ -8,13 +8,34 @@ end
 
 o.shell_quote = shell_quote
 
+local function file_exists(path)
+  local file = io.open(path, "r")
+  if file then
+    file:close()
+    return true
+  end
+
+  return false
+end
+
 function o.shell_succeeds(command)
   local ok, _, code = os.execute(command .. " >/dev/null 2>&1")
   return ok == true or ok == 0 or code == 0
 end
 
 function o.cmd_present(command)
-  return o.shell_succeeds("command -v " .. shell_quote(command))
+  if command:find("/", 1, true) then
+    return file_exists(command)
+  end
+
+  local path = os.getenv("PATH") or "/usr/local/bin:/usr/bin"
+  for directory in (path .. ":"):gmatch("([^:]*):") do
+    if file_exists((directory ~= "" and directory or ".") .. "/" .. command) then
+      return true
+    end
+  end
+
+  return false
 end
 
 function o.cmd_missing(command)
@@ -49,16 +70,6 @@ local function command_from(value, description)
   return value
 end
 
-local function file_exists(path)
-  local file = io.open(path, "r")
-  if file then
-    file:close()
-    return true
-  end
-
-  return false
-end
-
 function o.preinstalled_bindings_enabled()
   if _G.omarchy_preinstalled_bindings ~= nil then
     return _G.omarchy_preinstalled_bindings == true

test/shell.d/hyprland-default-config-test.sh

@@ -144,7 +144,18 @@ grep -Fq $'F9	Stop dictation (push-to-talk)' <<<"$voxtype_output" ||
   fail "installed Voxtype enables its release binding"
 pass "installed Voxtype conditionally enables dictation bindings"
 
-missing_voxtype_output=$(run_omarchy_bindings "$voxtype_home")
+voxtype_without_execute_output=$(PATH="$voxtype_bin:$PATH" run_omarchy_bindings \
+  "$voxtype_home" 'os.execute = function() return nil, "No child processes", 10 end')
+grep -Fq $'SUPER + CTRL + X	Toggle dictation' <<<"$voxtype_without_execute_output" ||
+  fail "Voxtype detection does not require spawning a subprocess"
+pass "installed Voxtype detection works without os.execute"
+
+missing_bin="$tmpdir/missing-bin"
+mkdir -p "$missing_bin"
+ln -s "$(command -v lua)" "$missing_bin/lua"
+ln -s "$(command -v lspci)" "$missing_bin/lspci"
+ln -s "$(command -v sort)" "$missing_bin/sort"
+missing_voxtype_output=$(PATH="$missing_bin" run_omarchy_bindings "$voxtype_home")
 if grep -Fq $'SUPER + CTRL + X	Toggle dictation' <<<"$missing_voxtype_output"; then
   fail "missing Voxtype skips its bindings"
 fi