#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);

bool willBuildLocally(const Derivation & drv);

bool substitutesAllowed(const Derivation & drv);


}
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<div class='path'>path: <a href='/guix/log/?id=5488c0ac0659f65ea43cabfafa0c97cdd44fd811'>root</a>/<a href='/guix/log/gnu?id=5488c0ac0659f65ea43cabfafa0c97cdd44fd811'>gnu</a>/<a href='/guix/log/gnu/packages?id=5488c0ac0659f65ea43cabfafa0c97cdd44fd811'>packages</a>/<a href='/guix/log/gnu/packages/ninja.scm?id=5488c0ac0659f65ea43cabfafa0c97cdd44fd811'>ninja.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/ninja.scm?id=5488c0ac0659f65ea43cabfafa0c97cdd44fd811&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-09-08 21:39:59 +0200'>2022-09-08</span></td><td><a href='/guix/commit/gnu/packages/ninja.scm?id=a36edf6739218ae90bb9b4c6462018c3fccf133b'>gnu: ninja: Update to 1.11.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ninja.scm (ninja): Update to 1.11.1.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-06-26 12:06:32 +0200'>2022-06-26</span></td><td><a href='/guix/commit/gnu/packages/ninja.scm?id=03e13c8981ce45d72f1acb99d5aba951450921ae'>gnu: ninja: Remove input label.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ninja.scm (ninja)[inputs]: Remove label.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-06-26 12:06:32 +0200'>2022-06-26</span></td><td><a href='/guix/commit/gnu/packages/ninja.scm?id=95d08e37389095961a905f5edf39372f99a8ac37'>gnu: ninja: Update to 1.11.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ninja.scm (ninja): Update to 1.11.0.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2021-05-22 17:08:13 +0200'>2021-05-22</span></td><td><a href='/guix/commit/gnu/packages/ninja.scm?id=bd6cb1d4ebb3da1110025e1a73a299bed4174035'>gnu: ninja: Update to 1.10.2.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ninja.scm (ninja): Update to 1.10.2.
[arguments]: Remove trailing #t's.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-02-03 15:29:15 +0100'>2020-02-03</span></td><td><a href='/guix/commit/gnu/packages/ninja.scm?id=8928425756a9cc162bc38888a7c7084fcc777bd1'>gnu: ninja: Update to 1.10.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ninja.scm (ninja): Update to 1.10.0.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-02-03 15:29:15 +0100'>2020-02-03</span></td><td><a href='/guix/commit/gnu/packages/ninja.scm?id=181171ffdb4bdb534a4ce0fb631fa7cf103a2996'>gnu: ninja: Do not use unstable tarball.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ninja.scm (ninja)[source]: Change to GIT-FETCH.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-07-07 18:38:19 +0200'>2019-07-07</span></td><td><a href='/guix/commit/gnu/packages/ninja.scm?id=2c886af91154916a656aeecf6ba517e0cdc6fe93'>gnu: ninja: Python is a regular input.</a><span class='msg-avail'>...<span class='msg-tooltip'>Ninja uses Python at run time, so it must not be a native input.

* gnu/packages/ninja.scm (ninja)[native-inputs]: Change to ...
[inputs]: ... this.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-07-07 18:38:19 +0200'>2019-07-07</span></td><td><a href='/guix/commit/gnu/packages/ninja.scm?id=b78491f857d974afa8339f778772e0a140a1c344'>gnu: ninja: Build against Python 3.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ninja.scm (ninja)[native-inputs]: Change PYTHON-2 to PYTHON-WRAPPER.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-02-10 21:04:22 +0100'>2019-02-10</span></td><td><a href='/guix/commit/gnu/packages/ninja.scm?id=18df1ab122b81f8147c2f8e5cf937bc62ebd292d'>gnu: ninja: Update to 1.9.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ninja.scm (ninja): Update to 1.9.0.
</span></span></td><td>Marius Bakke</td></tr>