From 708299b35e85f74f3557dba9bff78de7a863baac Mon Sep 17 00:00:00 2001
From: Till JS <tills95@gmail.com>
Date: Tue, 31 Mar 2026 16:39:51 +0200
Subject: [PATCH] fix(startup): add Colima datadisk symlink safety check on
 boot

Prevents the internal SSD from filling up if the external SSD is not
mounted or if `colima delete` wiped the datadisk symlink.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 scripts/mac-mini/startup.sh | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/scripts/mac-mini/startup.sh b/scripts/mac-mini/startup.sh
index b583e76e5..fef116949 100755
--- a/scripts/mac-mini/startup.sh
+++ b/scripts/mac-mini/startup.sh
@@ -31,6 +31,28 @@ if pgrep -f "Docker.app" >/dev/null 2>&1; then
     log "Docker Desktop stopped"
 fi
 
+# ─── Verify Colima datadisk symlink (must be on external SSD) ───
+COLIMA_DISK_LINK="$HOME/.colima/_lima/_disks/colima"
+EXPECTED_TARGET="/Volumes/ManaData/colima-disk"
+if [ -e "$COLIMA_DISK_LINK" ] && [ ! -L "$COLIMA_DISK_LINK" ]; then
+    log "ERROR: Colima datadisk is a directory, not a symlink!"
+    log "The datadisk must live on the external SSD to prevent filling the internal SSD."
+    log "Run: scripts/mac-mini/move-colima-to-external-ssd.sh"
+    exit 1
+fi
+if [ -L "$COLIMA_DISK_LINK" ]; then
+    actual_target=$(readlink "$COLIMA_DISK_LINK")
+    if [ "$actual_target" != "$EXPECTED_TARGET" ]; then
+        log "WARNING: Colima datadisk symlink points to $actual_target (expected $EXPECTED_TARGET)"
+    else
+        log "Colima datadisk symlink OK → $EXPECTED_TARGET"
+    fi
+fi
+if [ ! -d "/Volumes/ManaData" ]; then
+    log "ERROR: External SSD /Volumes/ManaData not mounted!"
+    exit 1
+fi
+
 # ─── Start Colima ───
 if colima status 2>/dev/null | grep -q "running"; then
     log "Colima already running"