var fs = require("fs");
var path = require("path");

try {
    fs.mkdirSync("./tmp");
} catch (e) {
    if (e.code != "EEXIST") throw e;
}

function local(url) {
    return path.join("./tmp", encodeURIComponent(url));
}

function read(url) {
    return fs.createReadStream(local(url));
}

module.exports = function(url, callback) {
    var result = read(url);
    result.on("error", function(e) {
        if (e.code != "ENOENT") return callback(e);
        require(url.slice(0, url.indexOf(":"))).get(url, function(res) {
            if (res.statusCode !== 200) return callback(res);
            res.pipe(fs.createWriteStream(local(url)).on("close", function() {
                callback(null, read(url));
            }));
        });
    }).on("open", function() {
        callback(null, result);
    });
};
'selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
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<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=4f8d5e63b2f83fc0b9297e874f03c8424303b488'>refs</a><a class='active' href='/guix/log/gnu/packages/wget.scm'>log</a><a href='/guix/tree/gnu/packages/wget.scm?id=4f8d5e63b2f83fc0b9297e874f03c8424303b488'>tree</a><a href='/guix/commit/gnu/packages/wget.scm?id=4f8d5e63b2f83fc0b9297e874f03c8424303b488'>commit</a><a href='/guix/diff/gnu/packages/wget.scm?id=4f8d5e63b2f83fc0b9297e874f03c8424303b488'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/wget.scm'>
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<div class='path'>path: <a href='/guix/log/?id=4f8d5e63b2f83fc0b9297e874f03c8424303b488'>root</a>/<a href='/guix/log/gnu?id=4f8d5e63b2f83fc0b9297e874f03c8424303b488'>gnu</a>/<a href='/guix/log/gnu/packages?id=4f8d5e63b2f83fc0b9297e874f03c8424303b488'>packages</a>/<a href='/guix/log/gnu/packages/wget.scm?id=4f8d5e63b2f83fc0b9297e874f03c8424303b488'>wget.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/wget.scm?id=4f8d5e63b2f83fc0b9297e874f03c8424303b488&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-09-05 22:30:04 +0300'>2020-09-05</span></td><td><a href='/guix/commit/gnu/packages/wget.scm?id=de3c03a47160dec355d9b19ad5ca210d90c15fd7'>Merge remote-tracking branch 'origin/master' into staging</a></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2020-09-01 04:44:34 +0200'>2020-09-01</span></td><td><a href='/guix/commit/gnu/packages/wget.scm?id=30714da09a50bf20780e9903104e29c930da855a'>gnu: wgetpaste: Update bpaste URL &amp; regular expressions.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/wget.scm (wgetpaste)[source]: Add patch.
* gnu/packages/patches/wgetpaste-update-bpaste.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-09-01 04:44:34 +0200'>2020-09-01</span></td><td><a href='/guix/commit/gnu/packages/wget.scm?id=7b88396febe35e05bb4f67ed609204c8533314d8'>gnu: wgetpaste: Update to 2.30.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/wget.scm (wgetpaste): Update to 2.30.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-09-01 04:44:34 +0200'>2020-09-01</span></td><td><a href='/guix/commit/gnu/packages/wget.scm?id=1b0755012b38fded6059c10849dc16e3e50ed8b8'>gnu: wgetpaste: Use HTTPS home page.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/wget.scm (wgetpaste)[source, home-page]: Use HTTPS.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-09-01 04:44:34 +0200'>2020-09-01</span></td><td><a href='/guix/commit/gnu/packages/wget.scm?id=57ea4dfca1212687213a2db8cd47addf85e2ea3f'>gnu: wgetpaste: Fix historical confusion.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/wget.scm (wgetpaste)[arguments]: Fix the reversed
substitution and clarify its purpose.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-07-03 10:56:21 +0200'>2020-07-03</span></td><td><a href='/guix/commit/gnu/packages/wget.scm?id=8a6898b60173ff9c70f53a5641335c2e99d51a7e'>gnu: wget: Cross-build fix.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/wget.scm (wget)[inputs]: Move lzip to ...
[native-inputs]: ... here.
</span></span></td><td>Jan (janneke) Nieuwenhuizen</td></tr>
<tr><td><span title='2020-04-22 23:35:54 +0300'>2020-04-22</span></td><td><a href='/guix/commit/gnu/packages/wget.scm?id=2213d00faca72029dc54b559dd6124059c6c0881'>gnu: wget2: Add support for gnu updater.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/wget.scm (wget2)[properties]: New field. Add
ftp-directory.
</span></span></td><td>Efraim Flashner</td></tr>