Accepting request 52790 from Base:System
Accepted submit request 52790 from user kay_sievers OBS-URL: https://build.opensuse.org/request/show/52790 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/util-linux?expand=0&rev=98
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Ruediger Oertel
Git OBS Bridge
commit
a652dde818
188
util-linux-agetty-s-option.patch
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188
util-linux-agetty-s-option.patch
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@ -0,0 +1,188 @@
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git diff v2.18..HEAD login-utils/agetty.c login-utils/agetty.8
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agetty: fix -s option (baud rate setup)
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agetty: add -c to reuse cflags
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agetty: add -s to reuse existing baud rate
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diff --git a/login-utils/agetty.8 b/login-utils/agetty.8
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index 8761374..084086f 100644
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--- a/login-utils/agetty.8
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+++ b/login-utils/agetty.8
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@@ -3,7 +3,7 @@
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agetty \- alternative Linux getty
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.SH SYNOPSIS
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-.BR "agetty " [\-8ihLmnUw]
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+.BR "agetty " [\-c8ihLmnsUw]
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.RI "[-f " issue_file ]
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.RI "[-l " login_program ]
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.RI "[-I " init ]
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@@ -12,16 +12,6 @@ agetty \- alternative Linux getty
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.I port
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.I baud_rate,...
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.RI [ term ]
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-.br
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-.BR "agetty " [\-8ihLmnw]
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-.RI "[-f " issue_file ]
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-.RI "[-l " login_program ]
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-.RI "[-I " init ]
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-.RI "[-t " timeout ]
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-.RI "[-H " login_host ]
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-.I baud_rate,...
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-.I port
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-.RI [ term ]
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.SH DESCRIPTION
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.ad
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@@ -92,6 +82,10 @@ whatever init(8) may have set, and is inherited by login and the shell.
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.fi
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.ad
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.TP
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+\-c
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+Don't reset terminal cflags (control modes). See \fItermios(3)\fP for more
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+details.
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+.TP
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\-8
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Assume that the tty is 8-bit clean, hence disable parity detection.
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.TP
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@@ -163,6 +157,10 @@ Force the line to be a local line with no need for carrier detect. This can
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be useful when you have a locally attached terminal where the serial line
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does not set the carrier detect signal.
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.TP
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+\-s
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+Try to keep the existing baud rate. The baud rates from
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+the command line are used when agetty receives a BREAK character.
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+.TP
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\-U
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Turn on support for detecting an uppercase only terminal. This setting will
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detect a login name containing only capitals as indicating an uppercase
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diff --git a/login-utils/agetty.c b/login-utils/agetty.c
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index 39a1fd3..9d463ce 100644
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--- a/login-utils/agetty.c
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+++ b/login-utils/agetty.c
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@@ -133,6 +133,8 @@ struct options {
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#define F_CUSTISSUE (1<<6) /* give alternative issue file */
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#define F_NOPROMPT (1<<7) /* don't ask for login name! */
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#define F_LCUC (1<<8) /* Support for *LCUC stty modes */
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+#define F_KEEPSPEED (1<<9) /* Follow baud rate from kernel */
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+#define F_KEEPCFLAGS (1<<10) /* Reuse c_cflags setup from kernel */
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/* Storage for things detected while the login name was read. */
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@@ -203,7 +205,7 @@ void parse_args P_((int argc, char **argv, struct options *op));
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void parse_speeds P_((struct options *op, char *arg));
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void update_utmp P_((char *line));
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void open_tty P_((char *tty, struct termios *tp, int local));
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-void termio_init P_((struct termios *tp, int speed, struct options *op));
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+void termio_init P_((struct termios *tp, struct options *op));
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void auto_baud P_((struct termios *tp));
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void do_prompt P_((struct options *op, struct termios *tp));
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void next_speed P_((struct termios *tp, struct options *op));
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@@ -297,7 +299,7 @@ main(argc, argv)
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tcsetpgrp(0, getpid());
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/* Initialize the termios settings (raw mode, eight-bit, blocking i/o). */
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debug("calling termio_init\n");
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- termio_init(&termios, options.speeds[FIRST_SPEED], &options);
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+ termio_init(&termios, &options);
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/* write the modem init string and DON'T flush the buffers */
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if (options.flags & F_INITSTRING) {
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@@ -373,8 +375,11 @@ parse_args(argc, argv, op)
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extern int optind; /* getopt */
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int c;
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- while (isascii(c = getopt(argc, argv, "8I:LH:f:hil:mt:wUn"))) {
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+ while (isascii(c = getopt(argc, argv, "8cI:LH:f:hil:mst:wUn"))) {
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switch (c) {
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+ case 'c':
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+ op->flags |= F_KEEPCFLAGS;
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+ break;
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case '8':
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op->eightbits = 1;
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break;
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@@ -443,6 +448,9 @@ parse_args(argc, argv, op)
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case 'n':
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op->flags |= F_NOPROMPT;
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break;
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+ case 's':
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+ op->flags |= F_KEEPSPEED; /* keep kernel defined speed */
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+ break;
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case 't': /* time out */
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if ((op->timeout = atoi(optarg)) <= 0)
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error(_("bad timeout value: %s"), optarg);
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@@ -691,11 +699,17 @@ char gbuf[1024];
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char area[1024];
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void
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-termio_init(tp, speed, op)
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+termio_init(tp, op)
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struct termios *tp;
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- int speed;
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struct options *op;
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{
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+ speed_t ispeed, ospeed;
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+
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+ if (op->flags & F_KEEPSPEED) {
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+ ispeed = cfgetispeed(tp); /* save the original setting */
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+ ospeed = cfgetospeed(tp);
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+ } else
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+ ospeed = ispeed = op->speeds[FIRST_SPEED];
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/*
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* Initial termios settings: 8-bit characters, raw-mode, blocking i/o.
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@@ -706,14 +720,21 @@ termio_init(tp, speed, op)
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/* flush input and output queues, important for modems! */
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(void) tcflush(0, TCIOFLUSH);
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- tp->c_cflag = CS8 | HUPCL | CREAD;
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- cfsetispeed(tp, speed);
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- cfsetospeed(tp, speed);
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+ tp->c_iflag = tp->c_lflag = tp->c_oflag = 0;
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+
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+ if (!(op->flags & F_KEEPCFLAGS))
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+ tp->c_cflag = CS8 | HUPCL | CREAD | (tp->c_cflag & CLOCAL);
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+
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+ /* Note that the speed is stored in the c_cflag termios field, so we have
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+ * set the speed always when the cflag se reseted.
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+ */
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+ cfsetispeed(tp, ispeed);
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+ cfsetospeed(tp, ospeed);
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+
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if (op->flags & F_LOCAL) {
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tp->c_cflag |= CLOCAL;
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}
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- tp->c_iflag = tp->c_lflag = tp->c_oflag = 0;
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#ifdef HAVE_STRUCT_TERMIOS_C_LINE
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tp->c_line = 0;
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#endif
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@@ -973,9 +994,18 @@ next_speed(tp, op)
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struct termios *tp;
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struct options *op;
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{
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- static int baud_index = FIRST_SPEED;/* current speed index */
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+ static int baud_index = -1;
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+
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+ if (baud_index == -1)
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+ /*
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+ * if the F_KEEPSPEED flags is set then the FIRST_SPEED is not
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+ * tested yet (see termio_init()).
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+ */
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+ baud_index = (op->flags & F_KEEPSPEED) ? FIRST_SPEED :
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+ 1 % op->numspeed;
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+ else
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+ baud_index = (baud_index + 1) % op->numspeed;
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- baud_index = (baud_index + 1) % op->numspeed;
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cfsetispeed(tp, op->speeds[baud_index]);
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cfsetospeed(tp, op->speeds[baud_index]);
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(void) tcsetattr(0, TCSANOW, tp);
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@@ -1203,7 +1233,7 @@ bcode(s)
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void
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usage()
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{
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- fprintf(stderr, _("Usage: %s [-8hiLmUw] [-l login_program] [-t timeout] [-I initstring] [-H login_host] baud_rate,... line [termtype]\nor\t[-hiLmw] [-l login_program] [-t timeout] [-I initstring] [-H login_host] line baud_rate,... [termtype]\n"), progname);
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+ fprintf(stderr, _("Usage: %s [-8hiLmsUw] [-l login_program] [-t timeout] [-I initstring] [-H login_host] baud_rate,... line [termtype]\nor\t[-hiLmw] [-l login_program] [-t timeout] [-I initstring] [-H login_host] line baud_rate,... [termtype]\n"), progname);
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exit(1);
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}
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@ -1,3 +1,8 @@
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-------------------------------------------------------------------
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Thu Nov 11 10:36:35 CET 2010 - kay.sievers@novell.com
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- add 'agetty' -s option needed for systemd's serial console setup
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-------------------------------------------------------------------
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Tue Sep 28 11:42:46 UTC 2010 - aj@suse.de
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@ -79,6 +79,7 @@ Patch1: util-linux-2.12r-fdisk_remove_bogus_warnings.patch
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Patch3: util-linux-2.17.1-mount_losetup_crypto.patch
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Patch4: util-linux-2.17.1-losetup-honor-documented-c-option
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Patch7: util-linux-swapon-btrfs-limitations
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Patch8: util-linux-agetty-s-option.patch
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##
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## adjtimex
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##
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@ -185,6 +186,7 @@ Files to develop applications using the libmount library.
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%patch3 -p1
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%patch4 -p1
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%patch7 -p1
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%patch8 -p1
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#
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cd adjtimex-*
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# adjtimex patches belongs here
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