From 1e1b3564dda352538a9ea3dd916e2e33673d5264 Mon Sep 17 00:00:00 2001
From: Joachim Wiberg <troglobit@gmail.com>
Date: Mon, 27 Feb 2023 23:52:29 +0100
Subject: [PATCH] Support for fsck_mode=[auto,skip,force] +
 fsck_repair=[preen,no,yes]

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
---
 src/conf.c    | 39 +++++++++++++++++++++++++++++++++++++++
 src/finit.c   |  5 ++++-
 src/private.h |  2 ++
 3 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/src/conf.c b/src/conf.c
index b5eeba93..a6583a86 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -62,6 +62,9 @@ static TAILQ_HEAD(, env_entry) env_list = TAILQ_HEAD_INITIALIZER(env_list);
 struct rlimit initial_rlimit[RLIMIT_NLIMITS];
 struct rlimit global_rlimit[RLIMIT_NLIMITS];
 
+char *fsck_mode = "";
+char *fsck_repair = "-p";
+
 char cgroup_current[16]; /* cgroup.NAME sets current cgroup for a set of services */
 
 struct conf_change {
@@ -149,6 +152,37 @@ static void parse_finit_opts(char *opt)
 	}
 }
 
+static void parse_fsck_opts(char *opt)
+{
+	char *arg;
+
+	arg = strchr(opt, '=');
+	if (arg)
+		*arg++ = 0;
+
+	if (string_compare(opt, "mode")) {
+		if (!strcmp(arg, "skip"))
+			fsck_mode = NULL;
+		if (!strcmp(arg, "auto"))
+			fsck_mode = "";
+		if (!strcmp(arg, "force"))
+			fsck_mode = "-f";
+
+		return;
+	}
+
+	if (string_compare(opt, "repair")) {
+		if (!strcmp(arg, "no"))
+			fsck_repair = "-n";
+		if (!strcmp(arg, "preen"))
+			fsck_repair = "-p";
+		if (!strcmp(arg, "yes"))
+			fsck_repair = "-y";
+
+		return;
+	}
+}
+
 /*
  * When runlevel (single integer) is given on the command line,
  * it overrides the runlevel in finit.conf and the built-in
@@ -183,6 +217,11 @@ static void parse_arg(char *arg)
 		return;
 	}
 
+	if (!strncmp(arg, "fsck.", 5)) {
+		parse_fsck_opts(&arg[5]);
+		return;
+	}
+
 	if (string_compare(arg, "rescue") || string_compare(arg, "recover")) {
 		rescue = 1;
 		return;
diff --git a/src/finit.c b/src/finit.c
index 5ff14cc4..87024348 100644
--- a/src/finit.c
+++ b/src/finit.c
@@ -259,7 +259,7 @@ static int fsck(int pass)
 #ifdef FSCK_FIX
 		snprintf(cmd, sizeof(cmd), "fsck -yf %s", dev);
 #else
-		snprintf(cmd, sizeof(cmd), "fsck -a %s", dev);
+		snprintf(cmd, sizeof(cmd), "fsck %s %s %s", fsck_mode, fsck_repair, dev);
 #endif
 		dbg("Running pass %d fsck command %s", pass, cmd);
 		fsck_rc = run_interactive(cmd, "Checking filesystem %s", dev);
@@ -286,6 +286,9 @@ static int fsck_all(void)
 #ifndef FAST_BOOT
 	int pass;
 
+	if (!fsck_mode)
+		return 0;
+
 	for (pass = 1; pass < 10; pass++) {
 		rc = fsck(pass);
 		if (rc)
diff --git a/src/private.h b/src/private.h
index 0fdac945..53a347c1 100644
--- a/src/private.h
+++ b/src/private.h
@@ -36,6 +36,8 @@ extern char *finit_conf;
 extern char *finit_rcsd;
 extern svc_t *wdog;
 extern int   service_interval;
+extern char *fsck_mode;
+extern char *fsck_repair;
 
 int          api_init         (uev_ctx_t *ctx);
 int          api_exit         (void);