beta 2013.03.21 13:42

author: Marius <mariausol@gmail.com> 2013-03-21 15:00:17 +0200
committer: Marius <mariausol@gmail.com> 2013-03-21 15:00:17 +0200
commit: 6bb39561d4571fb85aac56a686b837a9f3c910cd (patch)
tree: 87f9b55ac771b742532fec258c637c0b15ec7dae /tex
parent: 41df6a896ad3ab1d8bb6286423e9540b2b34f576 (diff)
download: context-6bb39561d4571fb85aac56a686b837a9f3c910cd.tar.gz
16 files changed, 183 insertions, 106 deletions
diff --git a/tex/context/base/cont-new.mkii b/tex/context/base/cont-new.mkii
index 4eaa92ddc..2a48ec5db 100644
--- a/tex/context/base/cont-new.mkii
+++ b/tex/context/base/cont-new.mkii
@@ -11,7 +11,7 @@
 %C therefore copyrighted by \PRAGMA. See mreadme.pdf for
 %C details.
 
-\newcontextversion{2013.03.20 21:07}
+\newcontextversion{2013.03.21 13:42}
 
 %D This file is loaded at runtime, thereby providing an
 %D excellent place for hacks, patches, extensions and new
diff --git a/tex/context/base/cont-new.mkiv b/tex/context/base/cont-new.mkiv
index 4a89abc96..30ea51f5d 100644
--- a/tex/context/base/cont-new.mkiv
+++ b/tex/context/base/cont-new.mkiv
@@ -11,7 +11,7 @@
 %C therefore copyrighted by \PRAGMA. See mreadme.pdf for
 %C details.
 
-\newcontextversion{2013.03.20 21:07}
+\newcontextversion{2013.03.21 13:42}
 
 %D This file is loaded at runtime, thereby providing an excellent place for
 %D hacks, patches, extensions and new features.
diff --git a/tex/context/base/context-base.lmx b/tex/context/base/context-base.lmx
index 2b093c3e1..482d43e88 100644
--- a/tex/context/base/context-base.lmx
+++ b/tex/context/base/context-base.lmx
@@ -2,6 +2,8 @@
 
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 
+<!-- compare with lmx framework variant -->
+
 <!--
     filename : context-base.xml
     comment  : companion to mtx-server-ctx-startup.tex
@@ -12,74 +14,75 @@
 
 <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
     <head>
-        <title><?lua pv('title') ?></title>
+        <title><?lua inject(variables.title) ?></title>
         <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
-        <?lua if (v('refreshtime') and (tonumber(v('refreshtime')) or 0) > 0) and v('refreshurl') then ?>
-            <meta http-equiv='refresh' content="<?lua pv('refreshtime') ?>; <?lua pv('refreshurl') ?>"/>
+        <?lua if variables.refreshtime and (tonumber(variables.refreshtime) or 0) > 0 and variables.refreshurl then ?>
+            <meta http-equiv='refresh' content="<?lua inject(variables.refreshtime) ?>; <?lua inject(variables.refreshurl) ?>"/>
         <?lua end ?>
         <style type="text/css">
-            <?lmx-include context.css ?>
-            <?lua if v('cssdata') then ?>
-<?lua pv('cssdata') ?>
-            <?lua end ?>        </style>
-        <?lua if v('styles') then for k, v in ipairs(v('styles')) do ?>
-            <link rel="StyleSheet" href="<?lua p(v) ?>" type="text/css" />
+            <?lmx-include context.css strip ?>
+        </style>
+        <style type="text/css">
+            <?lua inject(variables.cssdata) ?>
+        </style>
+        <?lua if variables.styles then for k, v in ipairs(variables.styles) do ?>
+            <link rel="StyleSheet" href="<?lua inject(v) ?>" type="text/css" />
         <?lua end end ?>
     </head>
-    <?lua if (v('refreshtime') and (tonumber(v('refreshtime')) or 0) > 0) and v('refreshurl') then ?>
+    <?lua if variables.refreshtime and (tonumber(variables.refreshtime) or 0) > 0 and variables.refreshurl then ?>
         <!--[if IE]>
             <script type="text/javascript">
-                setTimeout("document.location='<?lua pv('refreshurl') ?>'", 1000*<?lua pv('refreshtime') ?>);
+                setTimeout("document.location='<?lua inject(variables.refreshurl) ?>'", 1000*<?lua inject(variables.refreshtime) ?>);
             </script>
         <![endif]-->
     <?lua end ?>
-    <?lua if v('action') then ?>
-        <form action="<?lua pv(action) ?>" enctype="multi-part/form-data" method="post">
+    <?lua if variables.action then ?>
+        <form action="<?lua inject(variables.action) ?>" enctype="multi-part/form-data" method="post">
     <?lua end ?>
     <body>
-        <div id="top">
+        <div id="top"><?lua if variables.title then ?>
             <div id="top-one">
-                <div id="top-two">
-                    <?lua pv('title') ?>
-                </div>
+                <div id="top-two"><?lua
+                    inject(variables.title)
+                ?> </div>
             </div>
-        </div>
-        <div id="bottom">
+        <?lua end ?></div>
+        <div id="bottom"><?lua if variables.bottomtext then ?>
             <div id="bottom-one">
-                <div id="bottom-two">
-                    <?lua pv('bottomtext') ?>
-                </div>
+                <div id="bottom-two"><?lua
+                    inject(variables.bottomtext)
+                ?></div>
             </div>
-        </div>
-        <div id="left">
+        <?lua end ?></div>
+        <div id="left"><?lua if variables.lefttext then ?>
             <div id="left-one">
-                <div id="left-two">
-                    <?lua pv('lefttext') ?>
-                </div>
+                <div id="left-two"><?lua
+                    inject(variables.lefttext)
+                ?></div>
             </div>
-        </div>
-        <div id="right">
+        <?lua end ?></div>
+        <div id="right"><?lua if variables.righttext then ?>
             <div id="right-safari">
                 <div id="right-one">
                     <div id="right-two">
                         <div id="right-three">
                             <div id="right-four">
-                                <div id="right-five">
-                                    <?lua pv('righttext') ?>
-                                </div>
+                                <div id="right-five"><?lua
+                                    inject(variables.righttext)
+                                ?></div>
                             </div>
                         </div>
                     </div>
                 </div>
             </div>
-        </div>
+        <?lua end ?></div>
         <div id="main">
             <div id='main-settings'>
-                <?lua pv('maintext') ?>
+                <?lua inject(variables.maintext) ?>
             </div>
         </div>
     </body>
-    <?lua if v('action') then ?>
+    <?lua if variables.action then ?>
         </form>
     <?lua end ?>
 </html>
diff --git a/tex/context/base/context-version.pdf b/tex/context/base/context-version.pdf
index 45ca003ab..398afdd50 100644
--- a/tex/context/base/context-version.pdf
+++ b/tex/context/base/context-version.pdf
diff --git a/tex/context/base/context-version.png b/tex/context/base/context-version.png
index 71514b2c2..804c18555 100644
--- a/tex/context/base/context-version.png
+++ b/tex/context/base/context-version.png
diff --git a/tex/context/base/context.mkii b/tex/context/base/context.mkii
index b65181bbf..7da4eb13e 100644
--- a/tex/context/base/context.mkii
+++ b/tex/context/base/context.mkii
@@ -20,7 +20,7 @@
 %D your styles an modules.
 
 \edef\contextformat {\jobname}
-\edef\contextversion{2013.03.20 21:07}
+\edef\contextversion{2013.03.21 13:42}
 
 %D For those who want to use this:
 
diff --git a/tex/context/base/context.mkiv b/tex/context/base/context.mkiv
index 980e650a6..33b230506 100644
--- a/tex/context/base/context.mkiv
+++ b/tex/context/base/context.mkiv
@@ -25,7 +25,7 @@
 %D up and the dependencies are more consistent.
 
 \edef\contextformat {\jobname}
-\edef\contextversion{2013.03.20 21:07}
+\edef\contextversion{2013.03.21 13:42}
 
 %D For those who want to use this:
 
diff --git a/tex/context/base/luat-run.lua b/tex/context/base/luat-run.lua
index 34d45d096..eaede1030 100644
--- a/tex/context/base/luat-run.lua
+++ b/tex/context/base/luat-run.lua
@@ -139,8 +139,9 @@ directives.register("system.synctex", function(v)
     else
         report_system("synctex functionality is disabled!")
     end
+    synctex = tonumber(synctex) or (toboolean(synctex,true) and 1) or (synctex == "zipped" and 1) or (synctex == "unzipped" and -1) or false
     -- currently this is bugged:
-    tex.synctex = synctex and 1 or 0
+    tex.synctex = synctex
     -- so for the moment we need:
     context.normalsynctex()
     if synctex then
@@ -151,7 +152,7 @@ directives.register("system.synctex", function(v)
 end)
 
 statistics.register("synctex tracing",function()
-    if synctex or tex.synctex > 0 then
+    if synctex or tex.synctex ~= 0 then
         return "synctex has been enabled (extra log file generated)"
     end
 end)
diff --git a/tex/context/base/status-files.pdf b/tex/context/base/status-files.pdf
index d1d5c4328..adb9c707d 100644
--- a/tex/context/base/status-files.pdf
+++ b/tex/context/base/status-files.pdf
diff --git a/tex/context/base/status-lua.pdf b/tex/context/base/status-lua.pdf
index b97167234..b82cb9420 100644
--- a/tex/context/base/status-lua.pdf
+++ b/tex/context/base/status-lua.pdf
diff --git a/tex/context/base/trac-exp.lua b/tex/context/base/trac-exp.lua
index d1ce3c458..cd30500a2 100644
--- a/tex/context/base/trac-exp.lua
+++ b/tex/context/base/trac-exp.lua
@@ -35,9 +35,9 @@ local function categorytitle(category)
     return xmltext(xmlfirst(category,"/title")) or ""
 end
 
-local exporters = { }
+local exporters = logs.exporters
 
-exporters.man = function(specification,...)
+function exporters.man(specification,...)
     local root = xml.convert(specification.helpinfo or "")
     if not root then
         return
@@ -54,9 +54,23 @@ exporters.man = function(specification,...)
     --
     local result = { }
     --
-    result[#result+1] = formatters['.TH %s\n.SH "NAME"\n%s.SH "SYNOPSIS"\n\\fB%s\\fP [ \\fIOPTIONS\\fP ... ]\n.SH "DESCRIPTION"\n%s\n'](
-        banner,name,name,detail
-    )
+    -- .TH "context" "1" "some date" "version" "ConTeXt" -- we use a fake date as I don't want to polute the git repos
+    --
+    local runner = string.match(name,"^mtx%-(.*)")
+    if runner then
+        runner = formatters["mtxrun --script %s"](runner)
+    else
+        runner = name
+    end
+    --
+    result[#result+1] = formatters[ [[.TH "%s" "1" "%s" "version %s" "%s" ]] ](name,os.date("01-01-%Y"),version,detail)
+    result[#result+1] = formatters[ [[.SH "NAME" %s]] ] ()
+    result[#result+1] = ".PP"
+    result[#result+1] = formatters[ [[.SH "SYNOPSIS" ]] ](name)
+    result[#result+1] = ".PP"
+    result[#result+1] = formatters[ [[.SH \fB%s\fP [ \fIOPTIONS\fP ... ] [ \fIFILENAMES\fP ] ]] ](runner)
+    result[#result+1] = formatters[ [[.SH "DESCRIPTION"\n%s\n ]] ](detail)
+    --
     for category in xmlcollected(root,"/application/flags/category") do
         if nofcategories > 1 then
             result[#result+1] = formatters['.SH "OPTIONS: %s"'](string.upper(category.at.name or "all"))
@@ -89,7 +103,7 @@ local craptemplate = [[
 </verbose>
 ]]
 
-exporters.xml = function(specification,...)
+function exporters.xml(specification,...)
     local helpinfo = specification.helpinfo
     if type(helpinfo) == "string" then
         if string.find(helpinfo,"^<%?xml") then
@@ -103,54 +117,80 @@ exporters.xml = function(specification,...)
     return formatters[craptemplate](specification.banner or "?",helpinfo)
 end
 
+-- the following template is optimized a bit for space
+
+-- local bodytemplate = [[
+-- <h1>Command line options</h1>
+-- <table>
+--     <tr>
+--         <th style="width: 10em">flag</th>
+--         <th style="width: 8em">value</th>
+--         <th>description</th>
+--     </tr>
+--     <?lua
+--         for category in xml.collected(variables.root,"/application/flags/category") do
+--             if variables.nofcategories > 1 then
+--                 ?><tr>
+--                     <th colspan="3"><?lua inject(category.at.name) ?></th>
+--                 </tr><?lua
+--             end
+--             for subcategory in xml.collected(category,"/subcategory") do
+--                 ?><tr><th/><td/><td/></tr><?lua
+--                 for flag in xml.collected(subcategory,"/flag") do
+--                     local name, value, short = variables.flagdata(flag)
+--                     ?><tr>
+--                         <th>--<?lua inject(name) ?></th>
+--                         <td><?lua inject(value) ?></td>
+--                         <td><?lua inject(short) ?></td>
+--                     </tr><?lua
+--                 end
+--             end
+--         end
+--     ?>
+-- </table>
+-- <br/>
+-- <?lua
+--     for category in xml.collected(variables.root,"/application/examples/category") do
+--         local title = variables.categorytitle(category)
+--         if title ~= "" then
+--             ?><h1><?lua inject(title) ?></h1><?lua
+--         end
+--         for subcategory in xml.collected(category,"/subcategory") do
+--             for example in xml.collected(subcategory,"/example") do
+--                 local command, comment = variables.exampledata(example)
+--                 ?><tt><?lua inject(command) ?></tt><br/><?lua
+--             end
+--             ?><br/><?lua
+--         end
+--     end
+--     for comment in xml.collected(root,"/application/comments/comment") do
+--         ?><br/><?lua inject(xml.text(comment)) ?><br/><?lua
+--     end
+-- ?>
+-- ]]
+
 local bodytemplate = [[
 <h1>Command line options</h1>
 <table>
-    <tr>
-        <th style="width: 10em">flag</th>
-        <th style="width: 8em">value</th>
-        <th>description</th>
-    </tr>
-    <?lua
-        for category in xml.collected(variables.root,"/application/flags/category") do
-            if variables.nofcategories > 1 then
-                ?><tr><th colspan="3"><?lua inject(category.at.name) ?></td></tr><?lua
-            end
-            for subcategory in xml.collected(category,"/subcategory") do
-                ?><tr><th/><td/><td/></tr><?lua
-                for flag in xml.collected(subcategory,"/flag") do
-                    local name, value, short = variables.flagdata(flag)
-                    ?>
-                        <tr>
-                            <th>--<?lua inject(name)  ?></th>
-                            <td><?lua inject(value) ?></td>
-                            <td><?lua inject(short) ?></td>
-                        </tr>
-                    <?lua
-                end
-            end
-        end
-    ?>
+    <tr><th style="width: 10em">flag</th><th style="width: 8em">value</th><th>description</th></tr>
+    <?lua for category in xml.collected(variables.root,"/application/flags/category") do if variables.nofcategories > 1 then ?>
+    <tr><th colspan="3"><?lua inject(category.at.name) ?></th></tr>
+    <?lua end for subcategory in xml.collected(category,"/subcategory") do ?>
+    <tr><th/><td/><td/></tr>
+    <?lua for flag in xml.collected(subcategory,"/flag") do local name, value, short = variables.flagdata(flag) ?>
+    <tr><th>--<?lua inject(name) ?></th><td><?lua inject(value) ?></td><td><?lua inject(short) ?></td></tr>
+    <?lua end end end ?>
 </table>
-<?lua
-    ?><br/><?lua
-    for category in xml.collected(variables.root,"/application/examples/category") do
-        local title = variables.categorytitle(category)
-        if title ~= "" then
-            ?><h1><?lua inject(title)?></h1><?lua
-        end
-        for subcategory in xml.collected(category,"/subcategory") do
-            for example in xml.collected(subcategory,"/example") do
-                local command, comment = variables.exampledata(example)
-                ?><tt><?lua inject(command) ?></tt><br/><?lua
-            end
-            ?><br/><?lua
-        end
-    end
-?>
+<br/>
+<?lua for category in xml.collected(variables.root,"/application/examples/category") do local title = variables.categorytitle(category) if title ~= "" then ?>
+<h1><?lua inject(title) ?></h1>
+<?lua end for subcategory in xml.collected(category,"/subcategory") do for example in xml.collected(subcategory,"/example") do local command, comment = variables.exampledata(example) ?>
+<tt><?lua inject(command) ?></tt>
+<br/><?lua end ?><br/><?lua end end for comment in xml.collected(root,"/application/comments/comment") do ?>
+<br/><?lua inject(xml.text(comment)) ?><br/><?lua end ?>
 ]]
 
-exporters.html = function(specification,...)
+function exporters.html(specification,...)
     local root = xml.convert(specification.helpinfo or "")
     if not root then
         return
@@ -186,5 +226,3 @@ exporters.html = function(specification,...)
     --
     return html
 end
-
-logs.exporters = exporters
diff --git a/tex/context/base/trac-lmx.lua b/tex/context/base/trac-lmx.lua
index b7e811860..18c7f6020 100644
--- a/tex/context/base/trac-lmx.lua
+++ b/tex/context/base/trac-lmx.lua
@@ -13,7 +13,7 @@ local format, sub, gsub = string.format, string.sub, string.gsub
 local concat = table.concat
 local collapsespaces = string.collapsespaces
 local P, Cc, Cs, C, Carg, lpegmatch = lpeg.P, lpeg.Cc, lpeg.Cs, lpeg.C, lpeg.Carg, lpeg.match
-local joinpath, replacesuffix, pathpart = file.join, file.replacesuffix, file.pathpart
+local joinpath, replacesuffix, pathpart, filesuffix = file.join, file.replacesuffix, file.pathpart, file.suffix
 
 local allocate          = utilities.storage.allocate
 local setmetatableindex = table.setmetatableindex
@@ -221,7 +221,7 @@ local function do_type_variable(str)
     end
 end
 
-local function do_include(filename)
+local function do_include(filename,option)
     local data = loadedsubfile(filename)
     if (not data or data == "") and givenpath then
         data = loadedsubfile(joinpath(givenpath,filename))
@@ -241,6 +241,9 @@ local function do_include(filename)
      -- report_lmx("included file: %s",filename)
         data = do_nested_include(data)
     end
+    if filesuffix(filename,"css") and option == "strip" then -- new
+        data = lmx.stripcss(data)
+    end
     return data
 end
 
@@ -425,6 +428,8 @@ end
 local whitespace     = lpeg.patterns.whitespace
 local optionalspaces = whitespace^0
 
+local dquote         = P('"')
+
 local begincomment   = P("<!--")
 local endcomment     = P("-->")
 
@@ -435,10 +440,12 @@ local beginembedcss  = P("/*")
 local endembedcss    = P("*/")
 
 local gobbledendxml  = (optionalspaces * endembedxml) / ""
-local argumentxml    = (1-gobbledendxml)^0
+----- argumentxml    = (1-gobbledendxml)^0
+local argumentxml    = (whitespace^1 + dquote * C((1-dquote)^1) * dquote + C((1-gobbledendxml-whitespace)^1))^0
 
 local gobbledendcss  = (optionalspaces * endembedcss) / ""
-local argumentcss    = (1-gobbledendcss)^0
+----- argumentcss    = (1-gobbledendcss)^0
+local argumentcss    = (whitespace^1 + dquote * C((1-dquote)^1) * dquote + C((1-gobbledendcss-whitespace)^1))^0
 
 local commentxml     = (begincomment * (1-endcomment)^0 * endcomment) / ""
 
@@ -697,7 +704,7 @@ end
 -- Test 2:
 
 -- local str = [[
---     <?lmx-include somefile.css ?>
+--     <?lmx-include context.css strip ?>
 --     <test>
 --         <?lmx-define-begin whatever?>some content a<?lmx-define-end ?>
 --         <?lmx-define-begin somemore?>some content b<?lmx-define-end ?>
@@ -715,7 +722,7 @@ end
 --         <td><?lua pv('title-default') ?></td>
 --     </test>
 -- ]]
---
+
 -- local defaults = { trace = true, a = 3, b = 3 }
 -- local result = lmx.new(str,defaults)
 -- inspect(result.data)
diff --git a/tex/context/base/trac-log.lua b/tex/context/base/trac-log.lua
index 4f1d9ac01..211734ef3 100644
--- a/tex/context/base/trac-log.lua
+++ b/tex/context/base/trac-log.lua
@@ -703,7 +703,12 @@ local reporters = {
     export   = reportexport,
 }
 
+local exporters = {
+    -- empty
+}
+
 logs.reporters = reporters
+logs.exporters = exporters
 
 function logs.application(t)
     t.name     = t.name   or "unknown"
diff --git a/tex/context/base/trac-tim.lua b/tex/context/base/trac-tim.lua
index 25ae6b1bc..527efa088 100644
--- a/tex/context/base/trac-tim.lua
+++ b/tex/context/base/trac-tim.lua
@@ -16,7 +16,7 @@ moduledata.progress = progress
 
 local report_timing = logs.reporter("timing")
 
-progress.parameters      = nodes.snapshots.getparameters
+progress.parameters      = nodes and nodes.snapshots.getparameters
 progress.defaultfilename = ((tex and tex.jobname) or "whatever") .. "-luatex-progress"
 
 -- storage
diff --git a/tex/context/base/trac-xml.lua b/tex/context/base/trac-xml.lua
index e44f3c399..39cfcfb22 100644
--- a/tex/context/base/trac-xml.lua
+++ b/tex/context/base/trac-xml.lua
@@ -41,9 +41,9 @@ local function showhelp(specification,...)
                  -- local short = xmlserialize(short,xs)
                     local short = xmltext(xmlfirst(flag,"/short"))
                     if value then
-                        report("--%-24s %s",formatters["%s=%s"](name,value),short)
+                        report("--%-20s %s",formatters["%s=%s"](name,value),short)
                     else
-                        report("--%-24s %s",name,short)
+                        report("--%-20s %s",name,short)
                     end
                 end
                 report()
@@ -66,6 +66,12 @@ local function showhelp(specification,...)
             report()
         end
     end
+    for comment in xmlcollected(root,"/application/comments/comment") do
+        local comment = xmltext(comment)
+        report()
+        report(comment)
+        report()
+    end
 end
 
 local reporthelp = reporters.help
@@ -80,13 +86,30 @@ function reporters.help(t,...)
     end
 end
 
+local exporters = logs.exporters
+
 function reporters.export(t,method,filename)
     dofile(resolvers.findfile("trac-exp.lua","tex"))
-    local exporters = logs.exporters
-    local result = method and exporters and exporters[method] and exporters[method](t,method) or exporthelp(t)
-    if type(filename) == "string" and filename ~= "" then
-        io.savedata(filename,result)
+    if not exporters or not method then
+        return exporthelp(t)
+    end
+    if method == "all" then
+        method = table.keys(exporters)
     else
-        reporters.lines(t,result)
+        method = { method }
+    end
+    filename = type(filename) == "string" and filename ~= "" and filename or false
+    for i=1,#method do
+        local m = method[i]
+        local result = exporters[m](t,m)
+        if result and result ~= "" then
+            if filename then
+                local fullname = file.replacesuffix(filename,m)
+                t.report("saving export in %a",fullname)
+                io.savedata(fullname,result)
+            else
+                reporters.lines(t,result)
+            end
+        end
     end
 end
diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua
index cf2316ac2..5e187a841 100644
--- a/tex/generic/context/luatex/luatex-fonts-merged.lua
+++ b/tex/generic/context/luatex/luatex-fonts-merged.lua
@@ -1,6 +1,6 @@
 -- merged file : luatex-fonts-merged.lua
 -- parent file : luatex-fonts.lua
--- merge date  : 03/20/13 21:07:28
+-- merge date  : 03/21/13 13:42:24
 
 do -- begin closure to overcome local limits and interference
author	Marius <mariausol@gmail.com>	2013-03-21 15:00:17 +0200
committer	Marius <mariausol@gmail.com>	2013-03-21 15:00:17 +0200
commit	6bb39561d4571fb85aac56a686b837a9f3c910cd (patch)
tree	87f9b55ac771b742532fec258c637c0b15ec7dae /tex
parent	41df6a896ad3ab1d8bb6286423e9540b2b34f576 (diff)
download	context-6bb39561d4571fb85aac56a686b837a9f3c910cd.tar.gz