Add warn-git-status script.

warn-git-status

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+CHECK_DIRS=( '/' '/etc/slackpkg/templates' )
+OUTPUT_FILE="/tmp/${0##*/}-$$-$RANDOM"
+
+# Remove the OUTPUT_FILE when done.
+trap 'rm -f "$OUTPUT_FILE"' EXIT
+
+# Source the mail configuration.
+source /etc/mail.conf "git-status" 2>/dev/null || {
+  printf "%s: %s\\n" "${0##*/}" "Failed to source /etc/mail.conf" >&2
+  exit 1
+}
+
+# Loop through the list and process.
+for DIR in "${CHECK_DIRS[@]}"; do
+  [[ ! -e "$DIR" ]] || [[ ! -d "$DIR" ]] && continue
+  TMP_OUTPUT="$(cd "$DIR" && [[ "$(git rev-parse --show-toplevel)" == "$PWD" ]] && git status | grep -E -ve "^(On branch|Your branch|No commits|nothing|$)" -e "\(use")"
+  [[ -n "$TMP_OUTPUT" ]] && printf "%s:\\n%s\\n\\n" "$DIR" "$TMP_OUTPUT" >>"$OUTPUT_FILE"
+  unset TMP_OUTPUT
+done
+
+[[ ! -s "$OUTPUT_FILE" ]] && {
+  exit 0
+}
+
+if [[ -n "${EMAIL_TO[*]}" ]]; then
+  mailx "${MAILX_ARGS[@]}" -S "from=$EMAIL_FROM" -s "Git statuses" "${EMAIL_TO[@]}" <<<"$(cat "$OUTPUT_FILE")" 2>/dev/null || {
+    printf "%s: %s\\n" "${0##*/}" "mailx command failed" >&2
+    exit 1
+  }
+else
+  printf "%s: %s\\n" "${0##*/}" "no recipient configured for mail delivery" >&2
+  exit 1
+fi
+
+exit 0