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MDEV-29582 deprecate mysql* names

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Eventually mysql symlinks will go away, as MariaDB and MySQL keep
diverging and we do not want to make it impossible to install
MariaDB and MySQL side-by-side when users want it.

It also useful if people start using MariaDB tools with MariaDB.

If the exe doesn't begine with "mariadb" or is a symlink,
print a warning to use the resolved name.

In my_readlink, add check on my_thread_var as its used by comp_err
and other build utils that also use my_init.
This commit is contained in:
Daniel Black
2022-09-21 11:10:05 +10:00
committed by Sergei Golubchik
parent ce4a289f1c
commit b30b040b73
6 changed files with 31 additions and 4 deletions
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10
mysys/my_init.c
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@@ -170,7 +170,17 @@ my_bool my_init(void)
my_progname_short= "unknown";
if (my_progname)
{
char link_name[FN_REFLEN];
my_progname_short= my_progname + dirname_length(my_progname);
/*
If its a link a different program that doesn't begin with mariadb
like mariadb-repair might link to mariadb-check.
*/
if (strncmp(my_progname_short, "mariadb", 7)
&& my_readlink(link_name, my_progname, MYF(0)) == 0)
my_error(EE_NAME_DEPRECATED, MYF(MY_WME), my_progname, link_name);
}
/* Initialize our mutex handling */
my_mutex_init();