From e1918f3fd574e5161ba9dc59573eab8a15f93708 Mon Sep 17 00:00:00 2001
From: Ariadne Conill <ariadne@dereferenced.org>
Date: Tue, 28 Jul 2020 08:23:58 -0600
Subject: [PATCH] ifupdown: add --force for compatibility with busybox ifupdown

---
 cmd/ifupdown.c | 4 ++++
 doc/ifdown.scd | 4 ++++
 doc/ifup.scd   | 4 ++++
 3 files changed, 12 insertions(+)

diff --git a/cmd/ifupdown.c b/cmd/ifupdown.c
index 2765498..66ef4cb 100644
--- a/cmd/ifupdown.c
+++ b/cmd/ifupdown.c
@@ -49,6 +49,7 @@ ifupdown_usage(void)
 	fprintf(stderr, "  -n, --no-act                 do not actually run any commands\n");
 	fprintf(stderr, "  -v, --verbose                show what commands are being run\n");
 	fprintf(stderr, "  -E, --executor-path PATH     use PATH for executor directory\n");
+	fprintf(stderr, "  -f, --force                  force (de)configuration\n");
 
 	exit(1);
 }
@@ -127,6 +128,7 @@ ifupdown_main(int argc, char *argv[])
 		{"no-act", no_argument, 0, 'n'},
 		{"verbose", no_argument, 0, 'v'},
 		{"executor-path", required_argument, 0, 'E'},
+		{"force", no_argument, 0, 'f'},
 		{NULL, 0, 0, 0}
 	};
 	struct match_options match_opts = {};
@@ -170,6 +172,8 @@ ifupdown_main(int argc, char *argv[])
 		case 'E':
 			exec_opts.executor_path = optarg;
 			break;
+		case 'f':
+			break;
 		}
 	}
 
diff --git a/doc/ifdown.scd b/doc/ifdown.scd
index 051140b..15ff53d 100644
--- a/doc/ifdown.scd
+++ b/doc/ifdown.scd
@@ -18,6 +18,10 @@ configured in the configuration database.
 *-a, --auto*
 	Only match interfaces that are marked as _auto_.
 
+*-f, --force*
+	Force deconfiguration of the interface.
+	This option exists for compatibility with other implementations.
+
 *-h, --help*
 	Display supported options to ifquery.
 
diff --git a/doc/ifup.scd b/doc/ifup.scd
index 5d9c8d9..f0a7ed3 100644
--- a/doc/ifup.scd
+++ b/doc/ifup.scd
@@ -18,6 +18,10 @@ configured in the configuration database.
 *-a, --auto*
 	Only match interfaces that are marked as _auto_.
 
+*-f, --force*
+	Force configuration of the interface.
+	This option exists for compatibility with other implementations.
+
 *-h, --help*
 	Display supported options to ifquery.