#include "store-api.hh"
#include "globals.hh"
#include "util.hh"

#include <climits>


namespace nix {


GCOptions::GCOptions()
{
    action = gcDeleteDead;
    ignoreLiveness = false;
    maxFreed = ULLONG_MAX;
}


bool isInStore(const Path & path)
{
    return isInDir(path, settings.nixStore);
}


bool isStorePath(const Path & path)
{
    return isInStore(path)
        && path.find('/', settings.nixStore.size() + 1) == Path::npos;
}


void assertStorePath(const Path & path)
{
    if (!isStorePath(path))
        throw Error(format("path `%1%' is not in the store") % path);
}


Path toStorePath(const Path & path)
{
    if (!isInStore(path))
        throw Error(format("path `%1%' is not in the store") % path);
    Path::size_type slash = path.find('/', settings.nixStore.size() + 1);
    if (slash == Path::npos)
        return path;
    else
        return Path(path, 0, slash);
}


string storePathToName(const Path & path)
{
    assertStorePath(path);
    return string(path, settings.nixStore.size() + 34);
}


void chec</td></tr></table>
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</select>
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<div class='path'>path: <a href='/guix/commit/?id=a97ca00a5dcf7bcce6e9ec04557d02d65d80732f'>root</a>/<a href='/guix/commit/gnu?id=a97ca00a5dcf7bcce6e9ec04557d02d65d80732f'>gnu</a>/<a href='/guix/commit/gnu/packages?id=a97ca00a5dcf7bcce6e9ec04557d02d65d80732f'>packages</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='a97ca00a5dcf7bcce6e9ec04557d02d65d80732f'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Tobias Geerinckx-Rice &lt;me@tobias.gr&gt;</td><td class='right'>2023-08-20 02:00:00 +0200</td></tr>
<tr><th>committer</th><td>Ludovic Courtès &lt;ludo@gnu.org&gt;</td><td class='right'>2024-08-31 10:42:46 +0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/guix/commit/gnu/packages?id=a97ca00a5dcf7bcce6e9ec04557d02d65d80732f'>a97ca00a5dcf7bcce6e9ec04557d02d65d80732f</a> (<a href='/guix/patch/gnu/packages?id=a97ca00a5dcf7bcce6e9ec04557d02d65d80732f'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/guix/tree/?id=a97ca00a5dcf7bcce6e9ec04557d02d65d80732f'>8d17f6a986619c97f9b68db53cdb07a3d8a87265</a> /<a href='/guix/tree/gnu/packages?id=a97ca00a5dcf7bcce6e9ec04557d02d65d80732f'>gnu/packages</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/guix/commit/gnu/packages?id=3db653a2c235207b347849200eeb3f89bb4ba513'>3db653a2c235207b347849200eeb3f89bb4ba513</a> (<a href='/guix/diff/gnu/packages?id=a97ca00a5dcf7bcce6e9ec04557d02d65d80732f&amp;id2=3db653a2c235207b347849200eeb3f89bb4ba513'>diff</a>)</td></tr><tr><th>download</th><td colspan='2' class='oid'><a href='/guix/snapshot/guix-a97ca00a5dcf7bcce6e9ec04557d02d65d80732f.tar.gz'>guix-a97ca00a5dcf7bcce6e9ec04557d02d65d80732f.tar.gz</a><br/><a href='/guix/snapshot/guix-a97ca00a5dcf7bcce6e9ec04557d02d65d80732f.zip'>guix-a97ca00a5dcf7bcce6e9ec04557d02d65d80732f.zip</a><br/></td></tr></table>
<div class='commit-subject'>gnu: image: Reformat comments.</div><div class='commit-msg'>I wrote these to fit on their lines, so the pointless widows bug me.

* gnu/build/image.scm (make-iso9660-image): M-q comments.
</div><div class='diffstat-header'><a href='/guix/diff/?id=a97ca00a5dcf7bcce6e9ec04557d02d65d80732f'>Diffstat</a> (limited to 'gnu/packages')</div><table summary='diffstat' class='diffstat'></table><div class='diffstat-summary'>0 files changed, 0 insertions, 0 deletions</div><table summary='diff' class='diff'><tr><td></td></tr></table></div> <!-- class=content -->
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 hash, name);
}


/* Return a string accepted by decodeValidPathInfo() that
   registers the specified paths as valid.  Note: it's the
   responsibility of the caller to provide a closure. */
string StoreAPI::makeValidityRegistration(const PathSet & paths,
    bool showDerivers, bool showHash)
{
    string s = "";
    
    foreach (PathSet::iterator, i, paths) {
        s += *i + "\n";

        ValidPathInfo info = queryPathInfo(*i);

        if (showHash) {
            s += printHash(info.hash) + "\n";
            s += (format("%1%\n") % info.narSize).str();
        }

        Path deriver = showDerivers ? info.deriver : "";
        s += deriver + "\n";

        s += (format("%1%\n") % info.references.size()).str();

        foreach (PathSet::iterator, j, info.references)
            s += *j + "\n";
    }

    return s;
}

string showPaths(const PathSet & paths)
{
    string s;
    foreach (PathSet::const_iterator, i, paths) {
        if (s.size() != 0) s += ", ";
        s += "`" + *i + "'";
    }
    return s;
}


void exportPaths(StoreAPI & store, const Paths & paths,
    bool sign, Sink & sink)
{
    foreach (Paths::const_iterator, i, paths) {
        writeInt(1, sink);
        store.exportPath(*i, sign, sink);
    }
    writeInt(0, sink);
}

Path readStorePath(Source & from)
{
    Path path = readString(from);
    assertStorePath(path);
    return path;
}


template<class T> T readStorePaths(Source & from)
{
    T paths = readStrings<T>(from);
    foreach (typename T::iterator, i, paths) assertStorePath(*i);
    return paths;
}

template PathSet readStorePaths(Source & from);

}


#include "local-store.hh"
#include "serialise.hh"


namespace nix {


std::shared_ptr<StoreAPI> store;


std::shared_ptr<StoreAPI> openStore(bool reserveSpace)
{
    return std::shared_ptr<StoreAPI>(new LocalStore(reserveSpace));
}


}