Robert Haas wrote:
> On Thu, Oct 13, 2011 at 11:31 AM, Bruce Momjian <[email protected]> wrote:
> > Alvaro Herrera wrote:
> >> Excerpts from Tom Lane's message of mi? may 25 16:07:55 -0400 2011:
> >> > Alvaro Herrera <[email protected]> writes:
> >> > > Excerpts from Tom Lane's message of mar may 24 17:11:17 -0400 2011:
> >> > >> Right. ?It would also increase the cognitive load on the user to have
> >> > >> to remember the command-line go-to-line-number switch for his editor.
> >> > >> So I don't particularly want to redesign this feature. ?However, I can
> >> > >> see the possible value of letting EDITOR_LINENUMBER_SWITCH be set from
> >> > >> the same place that you set EDITOR, which would suggest that we allow
> >> > >> the value to come from an environment variable. ?I'm not sure whether
> >> > >> there is merit in allowing both that source and ~/.psqlrc, though
> >> > >> possibly for Windows users it might be easier if ~/.psqlrc worked.
> >> >
> >> > > If we're going to increase the number of options in .psqlrc that do not
> >> > > work with older psql versions, can I please have .psqlrc-MAJORVERSION
> >> > > or
> >> > > some such? ?Having 8.3's psql complain all the time because it doesn't
> >> > > understand "linestyle" is annoying.
> >> >
> >> > 1. I thought we already did have that.
> >>
> >> Oh, true, we have that, though it's not very usable because you have to
> >> rename the file from .psqlrc-9.0.3 to .psqlrc-9.0.4 when you upgrade,
> >> which is kinda silly.
> >
> > True. ?We don't add configuration changes in minor versions so having
> > minor-version granularity makes no sense.
> >
> > The attached patch changes this to use the _major_ version number for
> > psql rc files. ?Does this have to be backward-compatible? ?Should I
> > check for minor and major matches? ?That is going to be confusing to
> > document.
>
> Checking for a minor match and then a major match seems sensible.
Done, and documented in the attached patch.
--
Bruce Momjian <[email protected]> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml
new file mode 100644
index 662eab7..4eefe3b
*** a/doc/src/sgml/ref/psql-ref.sgml
--- b/doc/src/sgml/ref/psql-ref.sgml
*************** PSQL_EDITOR_LINENUMBER_ARG='--line '
*** 3332,3339 ****
Both the system-wide <filename>psqlrc</filename> file and the user's
<filename>~/.psqlrc</filename> file can be made version-specific
by appending a dash and the <productname>PostgreSQL</productname>
! release number, for example <filename>~/.psqlrc-&version;</filename>.
! A matching version-specific file will be read in preference to a
non-version-specific file.
</para>
</listitem>
--- 3332,3341 ----
Both the system-wide <filename>psqlrc</filename> file and the user's
<filename>~/.psqlrc</filename> file can be made version-specific
by appending a dash and the <productname>PostgreSQL</productname>
! major or minor release number, for example
! <filename>~/.psqlrc-9.2</filename> or
! <filename>~/.psqlrc-9.2.5</filename>. The most specific
! version-matching file will be read in preference to a
non-version-specific file.
</para>
</listitem>
diff --git a/src/bin/psql/startup.c b/src/bin/psql/startup.c
new file mode 100644
index 3c17eec..71829eb
*** a/src/bin/psql/startup.c
--- b/src/bin/psql/startup.c
*************** process_psqlrc(char *argv0)
*** 594,613 ****
static void
process_psqlrc_file(char *filename)
{
! char *psqlrc;
#if defined(WIN32) && (!defined(__MINGW32__))
#define R_OK 4
#endif
! psqlrc = pg_malloc(strlen(filename) + 1 + strlen(PG_VERSION) + 1);
! sprintf(psqlrc, "%s-%s", filename, PG_VERSION);
! if (access(psqlrc, R_OK) == 0)
! (void) process_file(psqlrc, false, false);
else if (access(filename, R_OK) == 0)
(void) process_file(filename, false, false);
! free(psqlrc);
}
--- 594,620 ----
static void
process_psqlrc_file(char *filename)
{
! char *psqlrc_minor, *psqlrc_major;
#if defined(WIN32) && (!defined(__MINGW32__))
#define R_OK 4
#endif
! psqlrc_minor = pg_malloc(strlen(filename) + 1 + strlen(PG_VERSION) + 1);
! sprintf(psqlrc_minor, "%s-%s", filename, PG_VERSION);
! psqlrc_major = pg_malloc(strlen(filename) + 1 + strlen(PG_MAJORVERSION) + 1);
! sprintf(psqlrc_major, "%s-%s", filename, PG_MAJORVERSION);
! /* check for minor version first, then major, then no version */
! if (access(psqlrc_minor, R_OK) == 0)
! (void) process_file(psqlrc_minor, false, false);
! else if (access(psqlrc_major, R_OK) == 0)
! (void) process_file(psqlrc_major, false, false);
else if (access(filename, R_OK) == 0)
(void) process_file(filename, false, false);
!
! free(psqlrc_minor);
! free(psqlrc_major);
}
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