cronie/cronie-nheader_lines.diff

Index: src/crontab.c
===================================================================
--- src/crontab.c.orig
+++ src/crontab.c
@@ -38,7 +38,7 @@
 # include <selinux/av_permissions.h>
 #endif
 
-#define NHEADER_LINES 0
+#define NHEADER_LINES 3
 
 enum opt_t {opt_unknown, opt_list, opt_delete, opt_edit, opt_replace, opt_hostset, opt_hostget};
 
@@ -429,7 +429,7 @@ static char *host_specific_filename(char
 static void edit_cmd(void) {
 	char n[MAX_FNAME], q[MAX_TEMPSTR], *editor;
 	FILE *f;
-	int ch = '\0', t;
+	int ch = '\0', t, x;
 	struct stat statbuf;
 	struct utimbuf utimebuf;
 	WAIT_T waiter;
@@ -481,13 +481,25 @@ static void edit_cmd(void) {
 	}
 
 	Set_LineNum(1)
-		/* 
-		 * NHEADER_LINES processing removed for clarity
-		 * (NHEADER_LINES == 0 in all Red Hat crontabs)
-		 */
-		/* copy the rest of the crontab (if any) to the temp file.
-		 */
-		if (EOF != ch)
+
+	/* ignore the top few comments since we probably put them there.
+	 */
+	x = 0;
+	while (EOF != (ch = get_char(f))) {
+		if ('#' != ch) {
+			putc(ch, NewCrontab);
+			break;
+		}
+		while (EOF != (ch = get_char(f)))
+			if (ch == '\n')
+				break;
+		if (++x >= NHEADER_LINES)
+			break;
+	}
+
+	/* copy the rest of the crontab (if any) to the temp file.
+	 */
+	if (EOF != ch)
 		while (EOF != (ch = get_char(f)))
 			putc(ch, NewCrontab);
 
@@ -695,6 +707,7 @@ static int replace_cmd(void) {
 	int error = 0;
 	entry *e;
 	uid_t file_owner;
+	time_t now = time(NULL);
 	char **envp;
 	char *safename;
 
@@ -724,10 +737,10 @@ static int replace_cmd(void) {
 	 *
 	 * VERY IMPORTANT: make sure NHEADER_LINES agrees with this code.
 	 */
-	/*fprintf(tmp, "# DO NOT EDIT THIS FILE - edit the master and reinstall.\n");
-	 *fprintf(tmp, "# (%s installed on %-24.24s)\n", Filename, ctime(&now));
-	 *fprintf(tmp, "# (Cron version %s)\n", CRON_VERSION);
-	 */
+	fprintf(tmp, "# DO NOT EDIT THIS FILE - edit the master and reinstall.\n");
+	fprintf(tmp, "# (%s installed on %-24.24s)\n", Filename, ctime(&now));
+	fprintf(tmp, "# (Cronie version %s)\n", CRON_VERSION);
+
 #ifdef WITH_SELINUX
 	if (selinux_context)
 		fprintf(tmp, "SELINUX_ROLE_TYPE=%s\n", selinux_context);