From 5b775a9ceb8cbee33b92916755cc40f03dd25222 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Sun, 11 Jul 2021 22:23:01 +0200
Subject: Add -q (quiet) flag

---
 build.1 |  8 ++++----
 build.c | 24 ++++++++++++++----------
 2 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/build.1 b/build.1
index 2655ce0..59a2ce5 100644
--- a/build.1
+++ b/build.1
@@ -6,10 +6,7 @@
 .Nd follow embedded build instructions
 .Sh SYNOPSIS
 .Nm
-.Op Fl d
-.Op Fl d
-.Op Fl d
-.Op Fl f
+.Op Fl dddfq
 .Ar file
 .Op Ar ...
 .Sh DESCRIPTION
@@ -24,6 +21,9 @@ The
 .Fl f
 flag disables modification time checks,
 forcing the build process.
+The
+.Fl q
+flag disables the printing of executed commands.
 .Pp
 .Nm
 is decidedly not a
diff --git a/build.c b/build.c
index f0bfb29..01e7f90 100644
--- a/build.c
+++ b/build.c
@@ -8,7 +8,6 @@
 #include <sys/wait.h>
 #include <unistd.h>
 
-#define USAGE "usage: %s file [...]\n", name
 #define d(...) do{ if(dflag > 0) \
 	fprintf(stderr, __VA_ARGS__); } while(0);
 #define dd(...) do{ if(dflag > 1) \
@@ -36,7 +35,7 @@ main(int argc, char *argv[])
 {
 	char *b, buf[MAXBUF], *cmd[MAXCMDS], *d, *dep, *name, *tgt, wd[MAXPATH];
 	FILE *fp;
-	int c, dflag, fflag, i, icmd, j, s;
+	int c, dflag, fflag, i, icmd, j, qflag, s;
 	struct stat sb, ssb;
 
 	/* Allocate memory. */
@@ -59,8 +58,8 @@ main(int argc, char *argv[])
 
 	/* Process command-line flags (debug, force). */
 	name = argv[0];
-	dflag = fflag = 0;
-	while((c = getopt(argc, argv, "df")) != -1)
+	dflag = fflag = qflag = 0;
+	while((c = getopt(argc, argv, "dfq")) != -1)
 		switch(c){
 		case 'd':
 			dflag++;
@@ -68,14 +67,16 @@ main(int argc, char *argv[])
 		case 'f':
 			fflag = 1;
 			break;
+		case 'q':
+			qflag = 1;
+			break;
 		default:
-			fprintf(stderr, USAGE);
-			return 1;
+			goto usage;
 		}
 	argc -= optind;
 	argv += optind;
 	if(argc == 0){
-		fprintf(stderr, USAGE);
+usage:		fprintf(stderr, "usage: %s [-dddfq] file [...]\n", name);
 		return 1;
 	}
 
@@ -208,10 +209,13 @@ build:
 		 * print executed commands.
 		 */
 		buf[0] = 0;
-		strcat(buf, "set -ex\n");
+		if(qflag)
+			strcat(buf, "set -e\n");
+		else
+			strcat(buf, "set -ex\n");
 		for(j = 0; j < icmd; j++){
-			strncat(buf, cmd[j], MAXBUF-1);
-			strncat(buf, "\n", MAXBUF-1);
+			strncat(buf, cmd[j], MAXCMD-1);
+			strncat(buf, "\n", MAXCMD-1);
 		}
 		s = system(buf);
 
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