texlive[58959] Master/texmf-dist/scripts/texlive/fmtutil.pl: fmtutil:

[commits+preining at tug.org]

Revision: 58959
          http://tug.org/svn/texlive?view=revision&revision=58959
Author:   preining
Date:     2021-04-22 02:51:54 +0200 (Thu, 22 Apr 2021)
Log Message:
-----------
fmtutil: warn on shadowing formats

Modified Paths:
--------------
    trunk/Master/texmf-dist/scripts/texlive/fmtutil.pl

Modified: trunk/Master/texmf-dist/scripts/texlive/fmtutil.pl
===================================================================
--- trunk/Master/texmf-dist/scripts/texlive/fmtutil.pl	2021-04-22 00:51:46 UTC (rev 58958)
+++ trunk/Master/texmf-dist/scripts/texlive/fmtutil.pl	2021-04-22 00:51:54 UTC (rev 58959)
@@ -587,6 +587,7 @@
     }
   }
   if ($doit) {
+    check_and_warn_on_user_format($fmt,$eng);
     return rebuild_one_format($fmt,$eng,$kpsefmt,$destdir,$fmtfile,$logfile);
   } else {
     return $FMT_NOTSELECTED;
@@ -593,6 +594,21 @@
   }
 }
 
+sub check_and_warn_on_user_format {
+  my ($fmt, $eng) = @_;
+  # do nothing if we are updating files in $TEXMFVAR
+  return if ($opts{'fmtdir'} eq $TEXMFVAR);
+  my $saved_fmtdir = $opts{'fmtdir'};
+  $opts{'fmtdir'} = "$TEXMFVAR/web2c";
+  my ($kpsefmt, $destdir, $fmtfile, $logfile) = compute_format_destination($fmt, $eng);
+  if (-r "$destdir/$fmtfile") {
+    print_deferred_warning("you have a shadowing format dump in TEXMFVAR for $fmt/$eng!!!\n");
+  }
+  $opts{'fmtdir'} = $saved_fmtdir;
+}
+  
+
+
 # 
 compute_format_destination
 # takes fmt/eng and returns the locations where format and log files
 # should be saved, that is, a list: (dump file full path, log file full path)