#pragma once

#include "derivations.hh"


namespace nix {


/* Read a derivation, after ensuring its existence through
   ensurePath(). */
Derivation derivationFromPath(StoreAPI & store, const Path & drvPath);

/* Place in `paths' the set of all store paths in the file system
   closure of `storePath'; that is, all paths than can be directly or
   indirectly reached from it.  `paths' is not cleared.  If
   `flipDirection' is true, the set of paths that can reach
   `storePath' is returned; that is, the closures under the
   `referrers' relation instead of the `references' relation is
   returned. */
void computeFSClosure(StoreAPI & store, const Path & path,
    PathSet & paths, bool flipDirection = false,
    bool includeOutputs = false, bool includeDerivers = false);

/* Return the path corresponding to the output identifier `id' in the
   given derivation. */
Path findOutput(const Derivation & drv, string id);

/* Given a set of paths that are to be built, return the set of
   derivations that will be built, and the set of output paths that
   will be substituted. */
void queryMissing(StoreAPI & store, const PathSet & targets,
    PathSet & willBuild, PathSet & willSubstitute, PathSet & unknown,
    unsigned long long & downloadSize, unsigned long long & narSize);

bool willBuildLocally(const Derivation & drv);

bool substitutesAllowed(const Derivation & drv);


}
nu/packages/dico.scm?id=7533ed956c100a04d08a2537a4700eb9ecbcb987'>commit</a><a href='/guix/diff/gnu/packages/dico.scm?id=7533ed956c100a04d08a2537a4700eb9ecbcb987'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/dico.scm'>
<input type='hidden' name='id' value='7533ed956c100a04d08a2537a4700eb9ecbcb987'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=7533ed956c100a04d08a2537a4700eb9ecbcb987'>root</a>/<a href='/guix/log/gnu?id=7533ed956c100a04d08a2537a4700eb9ecbcb987'>gnu</a>/<a href='/guix/log/gnu/packages?id=7533ed956c100a04d08a2537a4700eb9ecbcb987'>packages</a>/<a href='/guix/log/gnu/packages/dico.scm?id=7533ed956c100a04d08a2537a4700eb9ecbcb987'>dico.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/dico.scm?id=7533ed956c100a04d08a2537a4700eb9ecbcb987&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-05-31 14:54:08 -0400'>2022-05-31</span></td><td><a href='/guix/commit/gnu/packages/dico.scm?id=209558948406f9ada66f2686a087a331b611a462'>gnu: dico: Use Python 3.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>