From 6cb0354e19d5d5ee2cdcfb4b59a0e56ab4813330 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C5=8Dshin?= <git@wholezero.org>
Date: Mon, 8 Jan 2024 17:23:09 +0000
Subject: [PATCH] mkofs improvements

- Always use $PWD/o. if it doesn't exist, say how to create it.

- return 2 on unsupported platforms.
---
 tool/zsh/mkofs | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/tool/zsh/mkofs b/tool/zsh/mkofs
index 415f36e34..8018d493a 100644
--- a/tool/zsh/mkofs
+++ b/tool/zsh/mkofs
@@ -1,17 +1,16 @@
 [[ -f /proc/mounts ]] || {
   echo "mkofs: only supported on linux" >&2
-  return 1
+  return 2
 }
 local o
-if [[ -d "$PWD/o" ]]; then
-  o=$PWD/o
-elif [[ -n "$COSMO" && -d "$COSMO/o" ]]; then
-  o=$COSMO/o
+if [[ -d o ]]; then
+  o=$(pwd -P)/o
 else
   echo "mkofs: o/ not found" >&2
+  echo "suggested preparation:" >&2
+  echo "    mkdir -m 555 o" >&2
   return 1
 fi
-o=$(realpath "$o")
 cut -d' ' -f2 /proc/mounts | while read -r line; do
   if [[ "$o" = "$line" ]]; then
     echo "mkofs: $o already mounted" >&2