Improves mk-swap-file on btrfs

kenorb · Feb 24, 2024 · 3768bd0 · 3768bd0
1 parent 4cb4c76
commit 3768bd0
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/.functionsrc b/.functionsrc
@@ -283,8 +283,12 @@ get-crypto-balance() {
 
 # Create a swap file and activate it.
 mk-swap-file() {
+  set -x
   swapfile=${1:-swapfile}
   size=${2:-10g}
+  test -f "$swapfile" && return
+  sudo truncate -s 0 "$swapfile"
+  sudo chattr +C "$swapfile"
   sudo fallocate "$swapfile" -l "$size"
   sudo chmod 600 "$swapfile"
   sudo mkswap "$swapfile"