From 1736c6642dcc6ddfddb8338b2722aab914971b13 Mon Sep 17 00:00:00 2001
From: Norbert Preining <preining@logic.at>
Date: Wed, 6 Jan 2016 04:20:30 +0000
Subject: TLUtils::unpack - only support .tar.xz, no .tar only anymore

git-svn-id: svn://tug.org/texlive/trunk@39285 c570f23f-e606-0410-a88d-b1316a301751
---
 Master/tlpkg/TeXLive/TLUtils.pm | 109 ++++++++++++++++------------------------
 1 file changed, 44 insertions(+), 65 deletions(-)

(limited to 'Master/tlpkg')

diff --git a/Master/tlpkg/TeXLive/TLUtils.pm b/Master/tlpkg/TeXLive/TLUtils.pm
index ab333f80e21..8558df0809a 100644
--- a/Master/tlpkg/TeXLive/TLUtils.pm
+++ b/Master/tlpkg/TeXLive/TLUtils.pm
@@ -2259,85 +2259,64 @@ sub unpack {
   }
 
   my $type;
-  if ($what =~ m,\.tar(\.xz)?$,) {
-    $type = defined($what) ? "xz" : "tar";
-  } else {
+  if ($what !~ m/\.tar\.xz$/) {
     tlwarn("TLUtils::unpack: don't know how to unpack this: $what\n");
     return;
   }
 
-  # we are still here, so something was handed in and we have either
-  # .tar or .tar.xz
   my $fn = basename($what);
   my $pkg = $fn;
-  $pkg =~ s/\.tar(\.xz)?$//;
+  $pkg =~ s/\.tar\.xz$//;
   my $tarfile;
-  my $remove_tarfile = 1;
   my $remove_xzfile = $remove;
-  if ($type eq "xz") {
-    my $xzfile = "$tempdir/$fn";
-    $tarfile  = "$tempdir/$fn"; $tarfile =~ s/\.xz$//;
-    my $xzfile_quote;
-    my $tarfile_quote;
-    my $target_quote;
-    if (win32()) {
-      $xzfile =~ s!/!\\!g;
-      $tarfile =~ s!/!\\!g;
-      $target =~ s!/!\\!g;
-    }
-    $xzfile_quote = "\"$xzfile\"";
-    $tarfile_quote = "\"$tarfile\"";
-    $target_quote = "\"$target\"";
-    if ($what =~ m,^(http|ftp)://,) {
-      # we are installing from the NET
-      # check for the presence of $what in $tempdir
-      if (-r $xzfile) {
-        check_file($xzfile, $checksum, $size);
-      }
-      # if the file is now not present, we can use it
-      if (! -r $xzfile) {
-        # try download the file and put it into temp
-        download_file($what, $xzfile);
-        # remove false downloads
-        check_file($xzfile, $checksum, $size);
-        if ( -r $xzfile ) {
-          tlwarn("Downloading\n");
-          tlwarn("   $what\n");
-          tlwarn("did not succeed, please retry.\n");
-          return;
-        }
-      }
-    } else {
-      # we are installing from local compressed files
-      # copy it to temp
-      TeXLive::TLUtils::copy($what, $tempdir);
-      # we can remove it afterwards
-      $remove_xzfile = 1;
-    }
-    debug("un-xzing $xzfile to $tarfile\n");
-    system("$xzdec < $xzfile_quote > $tarfile_quote");
-    if (! -f $tarfile) {
-      tlwarn("TLUtils::unpack: Unpacking $xzfile failed, please retry.\n");
-      unlink($tarfile, $xzfile);
-      return;
+  my $xzfile = "$tempdir/$fn";
+  $tarfile  = "$tempdir/$fn"; $tarfile =~ s/\.xz$//;
+  my $xzfile_quote;
+  my $tarfile_quote;
+  my $target_quote;
+  if (win32()) {
+    $xzfile =~ s!/!\\!g;
+    $tarfile =~ s!/!\\!g;
+    $target =~ s!/!\\!g;
+  }
+  $xzfile_quote = "\"$xzfile\"";
+  $tarfile_quote = "\"$tarfile\"";
+  $target_quote = "\"$target\"";
+  if ($what =~ m,^(http|ftp)://,) {
+    # we are installing from the NET
+    # check for the presence of $what in $tempdir
+    if (-r $xzfile) {
+      check_file($xzfile, $checksum, $size);
     }
-    unlink($xzfile) if $remove_xzfile;
-  } else {
-    $tarfile = "$tempdir/$fn";
-    if ($what =~ m,http://|ftp://,) {
-      if (!download_file($what, $tarfile) || (! -r $tarfile)) {
-        tlwarn("Downloading \n");
+    # if the file is now not present, we can use it
+    if (! -r $xzfile) {
+      # try download the file and put it into temp
+      download_file($what, $xzfile);
+      # remove false downloads
+      check_file($xzfile, $checksum, $size);
+      if ( -r $xzfile ) {
+        tlwarn("Downloading\n");
         tlwarn("   $what\n");
-        tlwarn("failed, please retry.\n");
-        unlink($tarfile);
+        tlwarn("did not succeed, please retry.\n");
         return;
       }
-    } else {
-      $tarfile = $what;
-      $remove_tarfile = 0;
     }
+  } else {
+    # we are installing from local compressed files
+    # copy it to temp
+    TeXLive::TLUtils::copy($what, $tempdir);
+    # we can remove it afterwards
+    $remove_xzfile = 1;
+  }
+  debug("un-xzing $xzfile to $tarfile\n");
+  system("$xzdec < $xzfile_quote > $tarfile_quote");
+  if (! -f $tarfile) {
+    tlwarn("TLUtils::unpack: Unpacking $xzfile failed, please retry.\n");
+    unlink($tarfile, $xzfile);
+    return;
   }
-  if (untar($tarfile, $target, $remove_tarfile)) {
+  unlink($xzfile) if $remove_xzfile;
+  if (untar($tarfile, $target, 1)) {
     return "$pkg";
   } else {
     return;
-- 
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