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MSYS2-packages/msys2-runtime/0004-Add-functionality-for-changing-OS-name-via-MSYSTEM-e.patch

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From 8c4a21abdd7aed3b9304011acdfd0a94d5f028e9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=90=D0=BB=D0=B5=D0=BA=D1=81=D0=B5=D0=B8=CC=86=20=D0=9F?=
=?UTF-8?q?=D0=B0=D0=B2=D0=BB=D0=BE=D0=B2?= <alexey.pawlow@gmail.com>
Date: Sun, 14 Apr 2019 21:29:01 +0300
Subject: [PATCH 04/N] Add functionality for changing OS name via MSYSTEM
environment variables.
---
winsup/cygserver/cygserver-config | 4 ++--
winsup/cygwin/environ.cc | 36 +++++++++++++++++++++++++----
winsup/cygwin/include/sys/utsname.h | 2 +-
winsup/cygwin/uname.cc | 13 +++++++++--
4 files changed, 46 insertions(+), 9 deletions(-)
diff --git a/winsup/cygserver/cygserver-config b/winsup/cygserver/cygserver-config
index 373bfd2..c902857 100755
--- a/winsup/cygserver/cygserver-config
+++ b/winsup/cygserver/cygserver-config
@@ -86,7 +86,7 @@ done
# Check if running on NT
_sys="`uname`"
-_nt=`expr "${_sys}" : "CYGWIN_NT"`
+_nt=`expr "${_sys}" : "MSYS_NT"`
# Check for running cygserver processes first.
if ps -ef | grep -v grep | grep -q ${service_name}
@@ -178,7 +178,7 @@ then
echo "Do you want to install cygserver as service?"
if request "(Say \"no\" if it's already installed as service)"
then
- if ! cygrunsrv -I ${service_name} -d "CYGWIN cygserver" -p /usr/sbin/cygserver
+ if ! cygrunsrv -I ${service_name} -d "MSYS cygserver" -p /usr/sbin/cygserver
then
echo
echo "Installation of cygserver as service failed. Please check the"
diff --git a/winsup/cygwin/environ.cc b/winsup/cygwin/environ.cc
index 73df083..87650cc 100644
--- a/winsup/cygwin/environ.cc
+++ b/winsup/cygwin/environ.cc
@@ -189,7 +189,11 @@ parse_options (const char *inbuf)
if (export_settings)
{
debug_printf ("%s", newbuf + 1);
+#ifdef __MSYS__
+ setenv ("MSYS", newbuf + 1, 1);
+#else
setenv ("CYGWIN", newbuf + 1, 1);
+#endif
}
return;
}
@@ -653,7 +657,7 @@ _addenv (const char *name, const char *value, int overwrite)
win_env *spenv;
if ((spenv = getwinenv (envhere)))
spenv->add_cache (value);
- if (strcmp (name, "CYGWIN") == 0)
+ if (strcmp (name, "MSYS") == 0)
parse_options (value);
return 0;
@@ -757,6 +761,9 @@ static struct renv {
} renv_arr[] = {
{ NL("COMMONPROGRAMFILES=") }, // 0
{ NL("COMSPEC=") },
+#ifdef __MSYS__
+ { NL("MSYSTEM=") }, // 2
+#endif /* __MSYS__ */
{ NL("PATH=") }, // 2
{ NL("PROGRAMFILES=") },
{ NL("SYSTEMDRIVE=") }, // 4
@@ -768,10 +775,21 @@ static struct renv {
#define RENV_SIZE (sizeof (renv_arr) / sizeof (renv_arr[0]))
/* Set of first characters of the above list of variables. */
-static const char idx_arr[] = "CPSTW";
+static const char idx_arr[] =
+#ifdef __MSYS__
+ "CMPSTW";
+#else
+ "CPSTW";
+#endif
/* Index into renv_arr at which the variables with this specific character
starts. */
-static const int start_at[] = { 0, 2, 4, 6, 8 };
+static const int start_at[] = {
+#ifdef __MSYS__
+ 0, 2, 3, 5, 7, 9
+#else
+ 0, 2, 4, 6, 8
+#endif
+ };
/* Turn environment variable part of a=b string into uppercase - for some
environment variables only. */
@@ -846,7 +864,11 @@ environ_init (char **envp, int envc)
update_envptrs ();
if (envp_passed_in)
{
+#ifdef __MSYS__
+ p = getenv ("MSYS");
+#else
p = getenv ("CYGWIN");
+#endif
if (p)
parse_options (p);
}
@@ -893,8 +915,13 @@ win32env_to_cygenv (PWCHAR rawenv, bool posify)
ucenv (newp, eq); /* uppercase env vars which need it */
if (*newp == 'T' && strncmp (newp, "TERM=", 5) == 0)
sawTERM = 1;
+#ifdef __MSYS__
+ else if (*newp == 'M' && strncmp (newp, "MSYS=", 5) == 0)
+ parse_options (newp + 5);
+#else
else if (*newp == 'C' && strncmp (newp, "CYGWIN=", 7) == 0)
parse_options (newp + 7);
+#endif
if (*eq && posify)
posify_maybe (envp + i, *++eq ? eq : --eq, tmpbuf);
debug_printf ("%p: %s", envp[i], envp[i]);
@@ -963,12 +990,13 @@ struct spenv
static NO_COPY spenv spenvs[] =
{
#ifdef DEBUGGING
- {NL ("CYGWIN_DEBUG="), false, true, NULL},
+ {NL ("MSYS_DEBUG="), false, true, NULL},
#endif
{NL ("HOMEDRIVE="), false, false, &cygheap_user::env_homedrive},
{NL ("HOMEPATH="), false, false, &cygheap_user::env_homepath},
{NL ("LOGONSERVER="), false, false, &cygheap_user::env_logsrv},
{NL ("PATH="), false, true, NULL},
+ {NL ("MSYSTEM="), true, true, NULL},
{NL ("SYSTEMDRIVE="), false, true, NULL},
{NL ("SYSTEMROOT="), true, true, &cygheap_user::env_systemroot},
{NL ("USERDOMAIN="), false, false, &cygheap_user::env_domain},
diff --git a/winsup/cygwin/include/sys/utsname.h b/winsup/cygwin/include/sys/utsname.h
index d6b3be9..730cb73 100644
--- a/winsup/cygwin/include/sys/utsname.h
+++ b/winsup/cygwin/include/sys/utsname.h
@@ -17,7 +17,7 @@ extern "C" {
struct utsname
{
- char sysname[_UTSNAME_LENGTH];
+ char sysname[_UTSNAME_LENGTH + 1];
char nodename[_UTSNAME_LENGTH];
char release[_UTSNAME_LENGTH];
char version[_UTSNAME_LENGTH];
diff --git a/winsup/cygwin/uname.cc b/winsup/cygwin/uname.cc
index 3502166..28bcd63 100644
--- a/winsup/cygwin/uname.cc
+++ b/winsup/cygwin/uname.cc
@@ -36,7 +36,10 @@ uname_x (struct utsname *name)
memset (name, 0, sizeof (*name));
/* sysname */
- __small_sprintf (name->sysname, "CYGWIN_%s-%u%s",
+ char* msystem = getenv("MSYSTEM");
+ const char *msystem_msys = "MSYS";
+ __small_sprintf (name->sysname, "%s_%s-%u%s",
+ msystem ? msystem : msystem_msys,
wincap.osname (), wincap.build_number (),
wincap.is_wow64 () ? "-WOW64" : "");
/* nodename */
@@ -82,7 +85,7 @@ uname_x (struct utsname *name)
/* Old entrypoint for applications up to API 334 */
struct old_utsname
{
- char sysname[20];
+ char sysname[21];
char nodename[20];
char release[20];
char version[20];
@@ -98,7 +101,13 @@ uname (struct utsname *in_name)
char *snp = strstr (cygwin_version.dll_build_date, "SNP");
memset (name, 0, sizeof (*name));
+#ifdef __MSYS__
+ char* msystem = getenv("MSYSTEM");
+ const char *msystem_msys = "MSYS";
+ __small_sprintf (name->sysname, "%s_%s", msystem ? msystem : msystem_msys, wincap.osname ());
+#else
__small_sprintf (name->sysname, "CYGWIN_%s", wincap.osname ());
+#endif
/* Add a hint to the sysname, that we're running under WOW64. This might
give an early clue if somebody encounters problems. */
--
2.29.2
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