61 lines
2.0 KiB
Diff
61 lines
2.0 KiB
Diff
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From dedd52f920cf7ae718bb31ac7286d3f7314540c6 Mon Sep 17 00:00:00 2001
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From: Franck Bui <fbui@suse.com>
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Date: Fri, 10 Jun 2016 15:19:57 +0200
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Subject: [PATCH 09/11] pid1: handle console specificities/weirdness for s390
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arch
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The 3270 console on S/390 can do color but not the 3215 console.
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Partial forward port of
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0001-On_s390_con3270_disable_ANSI_colour_esc.patch from SLE12-SP1. A
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bunch of the previous code has been dropped since some changes
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imported from upsteam made them uneeded.
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The remaining bits are probably hackish but at least they are now
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minimal.
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It was an attempt to address bnc#860937. And yes turning the console
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color mode off by passing $TERM=dumb via the kernel command line would
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have been much more easier and enough.
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This is actually implemented by recent systemd. There's also another
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command line option: systemd.log_color=off.
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See also a short discussion which happened on @systemd-maintainers
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whose $subject is "[PATCH] support conmode setting on command line".
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[fbui: fixes bsc#860937]
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---
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src/basic/terminal-util.c | 15 ++++++++++++++-
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1 file changed, 14 insertions(+), 1 deletion(-)
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diff --git a/src/basic/terminal-util.c b/src/basic/terminal-util.c
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index d769423d6e..1a65391146 100644
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--- a/src/basic/terminal-util.c
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+++ b/src/basic/terminal-util.c
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@@ -779,7 +779,20 @@ bool tty_is_vc_resolve(const char *tty) {
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}
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const char *default_term_for_tty(const char *tty) {
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- return tty && tty_is_vc_resolve(tty) ? "linux" : "vt220";
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+ if (tty && tty_is_vc_resolve(tty))
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+ return "linux";
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+
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+#if defined (__s390__) || defined (__s390x__)
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+ if (tty && tty_is_console(tty)) {
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+ _cleanup_free_ char *mode = NULL;
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+
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+ /* Simply return "dumb" in case of OOM. */
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+ (void) proc_cmdline_get_key("conmode", 0, &mode);
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+ (void) proc_cmdline_value_missing("conmode", mode);
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+ return streq_ptr(mode, "3270") ? "ibm327x" : "dumb";
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+ }
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+#endif
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+ return "vt220";
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}
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int fd_columns(int fd) {
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--
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2.26.2
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