From 279b05b5e476ab8ec05567a00c7bbea5c52aaf47 Mon Sep 17 00:00:00 2001
From: shuki <shuki@shuki>
Date: Fri, 6 Mar 2026 07:12:18 +0200
Subject: [PATCH] =?UTF-8?q?Fix=20disk=20usage=20parsing=20=E2=80=94=20use?=
 =?UTF-8?q?=20grep=20instead=20of=20df=20--output?=
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df --output=pcent is not available on all systems. Use grep -oP to
extract the percentage field from standard df output.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 lib/remotes.sh | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/lib/remotes.sh b/lib/remotes.sh
index e0557ca..f3d67d1 100644
--- a/lib/remotes.sh
+++ b/lib/remotes.sh
@@ -294,22 +294,23 @@ get_target_remotes() {
 # Returns 0 (unknown) on unsupported remote types.
 remote_disk_usage_pct() {
     local base="${REMOTE_BASE:-/}"
-    local df_out=""
+    local df_line=""
     case "${REMOTE_TYPE:-ssh}" in
         ssh)
-            df_out=$(remote_exec "df --output=pcent '$base' 2>/dev/null | tail -1" 2>/dev/null) || return 1
+            df_line=$(remote_exec "df '$base' 2>/dev/null | tail -1") || return 1
             ;;
         local)
-            df_out=$(df --output=pcent "$base" 2>/dev/null | tail -1) || return 1
+            df_line=$(df "$base" 2>/dev/null | tail -1) || return 1
             ;;
         *)
             echo "0"
             return 0
             ;;
     esac
-    # Strip whitespace and % sign
-    df_out="${df_out// /}"
-    echo "${df_out%%%}"
+    # Extract the percentage field (e.g. "73%") — grep for number followed by %
+    local pct_raw
+    pct_raw=$(echo "$df_line" | grep -oP '[0-9]+%' | head -1) || return 1
+    echo "${pct_raw%%%}"
 }
 
 # Check remote disk space. Fail if usage >= threshold (default 95%).