#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);

bool willBuildLocally(const Derivation & drv);

bool substitutesAllowed(const Derivation & drv);


}
able>
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<div class='path'>path: <a href='/guix/log/?id=1261d2637c25b63a7a8c6bff5629265e19fa3dea'>root</a>/<a href='/guix/log/tests?id=1261d2637c25b63a7a8c6bff5629265e19fa3dea'>tests</a>/<a href='/guix/log/tests/status.scm?id=1261d2637c25b63a7a8c6bff5629265e19fa3dea'>status.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/tests/status.scm?id=1261d2637c25b63a7a8c6bff5629265e19fa3dea&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-06-26 23:19:14 +0200'>2022-06-26</span></td><td><a href='/guix/commit/tests/status.scm?id=f99f00fc814a3e1a3e1cedb5059c896e3303677c'>status: Relay "updating substitutes" messages.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-06-26 23:19:13 +0200'>2022-06-26</span></td><td><a href='/guix/commit/tests/status.scm?id=c31605b58228dbd10c819311a17341a22c9e5118'>status: Change tests from SRFI-11 to SRFI-71.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>