cloudron-support: add --patch

scripts/cloudron-support

@@ -21,6 +21,7 @@ readonly HELP_MESSAGE="
  Options:
    --disable-dnssec          Disable DNSSEC
    --enable-remote-access    Enable SSH Remote Access for the Cloudron support team
+   --patch                   Apply a patch from git. WARNING: Do not use unless you know what you are doing!
    --recreate-containers     Deletes all existing containers and recreates them without loss of data
    --recreate-docker         Deletes docker storage (containers and images) and recreates it without loss of data
    --send-diagnostics        Collects server diagnostics and uploads it to ${PASTEBIN}
@@ -623,9 +624,41 @@ function recreate_docker() {
     rm "${stagefile}"
 }
 
+function apply_patch() {
+    commit_id="$1"
+    patch_file="/tmp/${commit_id}.patch"
+
+    # gitlab will return 404 if it looks like a valid commit id but doesn't exist. it returns login page with invalid commit id
+    if ! curl -s "https://git.cloudron.io/cloudron/box/-/commit/${commit_id}.patch" -D /tmp/headers -o "${patch_file}"; then
+        echo "Could not connect to git"
+        exit 1
+    fi
+
+    if ! grep -q "content-type: text/plain" /tmp/headers; then
+        echo "Not a valid commit"
+        exit 1
+    fi
+    echo "This will apply ${commit_id} (${patch_file}) from git and restart the box code."
+    warn "Do not proceed unless you know what you are doing."
+    read -p "Do you want to apply the patch ? (y/N) " -n 1 -r choice
+    echo -e "\n"
+
+    [[ ! $choice =~ ^[Yy]$ ]] && exit 1
+
+    if ! patch --force --dry-run -d /home/yellowtent/box -p1 -i "${patch_file}"; then
+        echo "Patch does not apply cleanly"
+        exit 1
+    fi
+
+    patch -d /home/yellowtent/box -p1 -i "${patch_file}"
+    systemctl restart box
+
+    echo "Patch applied"
+}
+
 check_disk_space
 
-args=$(getopt -o "" -l "admin-login,disable-dnssec,enable-ssh,enable-remote-access,help,owner-login,recreate-containers,recreate-docker,send-diagnostics,use-external-dns,troubleshoot" -n "$0" -- "$@")
+args=$(getopt -o "" -l "admin-login,disable-dnssec,enable-ssh,enable-remote-access,help,owner-login,patch:,recreate-containers,recreate-docker,send-diagnostics,use-external-dns,troubleshoot" -n "$0" -- "$@")
 eval set -- "${args}"
 
 while true; do
@@ -644,6 +677,7 @@ while true; do
     --use-external-dns) use_external_dns; exit 0;;
     --recreate-containers) recreate_containers; exit 0;;
     --recreate-docker) recreate_docker; exit 0;;
+    --patch) apply_patch "$2"; exit 0;;
     --help) break;;
     --) break;;
     *) echo "Unknown option $1"; exit 1;;