diff options
Diffstat (limited to 'Master/install-tl')
-rwxr-xr-x | Master/install-tl | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Master/install-tl b/Master/install-tl index a745f38e00d..493bcf8d377 100755 --- a/Master/install-tl +++ b/Master/install-tl @@ -937,6 +937,37 @@ sub do_installation { if (win32()) { TeXLive::TLWinGoo::maybe_make_ro ($vars{'TEXDIR'}); } + # If df is available, check for free disk space + if ($::progs{"df"}) { + # To ensure that GNU coreutil df returns POSIX style 512-blocks, + # it is necessary to set POSIXLY_CORRECT=1 + # (GNU df defaults to 1024-block) + # https://en.wikipedia.org/wiki/POSIX#512-_vs_1024-byte_blocks + my $td = $vars{'TEXDIR'}; + $td .= "/" if ($td !~ m!/$!); + debug("Checking for free diskspace in $td\n"); + my ($output, $retval) = + TeXLive::TLUtils::run_cmd("df -P \"$vars{'TEXDIR'}\"", + POSIXLY_CORRECT => 1); + if ($retval == 0) { + # Output format should be this: + # Filesystem 512-blocks Used Available Capacity Mounted on + # /dev/sdb3 6099908248 3590818104 2406881416 60% /home + my ($h,$l) = split(/\n/, $output); + my ($fs, $nrb, $used, $avail, @rest) = split(' ', $l); + debug("disk space: used=$used (512-block), avail=$avail (512-block),", + " required=$vars{'total_size'} (Mb)\n"); + # $vars{'total_size'} is number required in Mb (1024**2) + # $vars{'total_size'} = + # sprintf "%d", ($size * $TeXLive::TLConfig::BlockSize)/1024**2; + # $avail is in 512 blocks, so we need to device by 2 * 1024 to obtain Mb + # require that at least 100M remain free + my $reserve = 100; + if ( $avail / 2024 + $reserve < $vars{'total_size'}) { + die("DISK SPACE INSUFFICIENT!"); + } + } + } # now remove final slash from TEXDIR even if it is the root of a drive $vars{'TEXDIR'} =~ s!/$!!; # do the actual installation |