#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);


}
ackages/mes.scm?id=f9ada7fdc4d4dad63a3bbb4a43bbb3f8441f0c60'>commit</a><a href='/guix/diff/gnu/packages/mes.scm?id=f9ada7fdc4d4dad63a3bbb4a43bbb3f8441f0c60'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/mes.scm'>
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<div class='path'>path: <a href='/guix/log/?id=f9ada7fdc4d4dad63a3bbb4a43bbb3f8441f0c60'>root</a>/<a href='/guix/log/gnu?id=f9ada7fdc4d4dad63a3bbb4a43bbb3f8441f0c60'>gnu</a>/<a href='/guix/log/gnu/packages?id=f9ada7fdc4d4dad63a3bbb4a43bbb3f8441f0c60'>packages</a>/<a href='/guix/log/gnu/packages/mes.scm?id=f9ada7fdc4d4dad63a3bbb4a43bbb3f8441f0c60'>mes.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/mes.scm?id=f9ada7fdc4d4dad63a3bbb4a43bbb3f8441f0c60&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-06-07 18:29:12 +0200'>2022-06-07</span></td><td><a href='/guix/commit/gnu/packages/mes.scm?id=2c8c9403ae4f9a38d2754d3363797bf216e363fb'>gnu: nyacc: Update to 1.07.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mes.scm (nyacc): Update to 1.07.0.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Felix Lechner</td></tr>
<tr><td><span title='2022-05-06 14:39:45 +0200'>2022-05-06</span></td><td><a href='/guix/commit/gnu/packages/mes.scm?id=984add419c8856f1ac76ed571fdef2491aaf7924'>gnu: mescc-tools: Update supported-systems.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mes.scm (mescc-tools)[supported-systems]: Add riscv32-linux,
riscv64-linux, remove powerpc64le-linux.
</span></span></td><td>Jan (janneke) Nieuwenhuizen</td></tr>
<tr><td><span title='2022-05-02 19:07:06 +0200'>2022-05-02</span></td><td><a href='/guix/commit/gnu/packages/mes.scm?id=6b588da368c77cde82ea2f22ca315116228777ad'>gnu: mes: Update to 0.24.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mes.scm (mes-next)[source]: Update to 0.24.
[native-inputs]: Add m2-planet.
</span></span></td><td>Jan (janneke) Nieuwenhuizen</td></tr>
<tr><td><span title='2022-05-02 19:07:04 +0200'>2022-05-02</span></td><td><a href='/guix/commit/gnu/packages/mes.scm?id=c14f1e319551fcc3112ad1facffd32a360118f96'>gnu: m2-planet: Update to 1.9.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mes.scm (m2-planet): Update to 1.9.0.
</span></span></td><td>Jan (janneke) Nieuwenhuizen</td></tr>
<tr><td><span title='2022-05-02 19:07:02 +0200'>2022-05-02</span></td><td><a href='/guix/commit/gnu/packages/mes.scm?id=954ff74bc8e5f8855fac10903d552ec3f86d15f5'>gnu: mescc-tools: Update to 1.4.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mes.scm (mescc-tools): Update to 1.4.0.
</span></span></td><td>Jan (janneke) Nieuwenhuizen</td></tr>
<tr><td><span title='2022-03-09 23:38:18 +0100'>2022-03-09</span></td><td><a href='/guix/commit/gnu/packages/mes.scm?id=e2ca8119d5ddf240b492cd4af6acdaf4ed3f6632'>gnu: nyacc@1.00.2: Fix build.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes a regression introduced in
f15ca337bec89f238b9b9ced08c2e02c35629a33, whereby adding a dependency on
GUILE-BYTESTRUCTURES would cause a build failure of the FFI helper of
nyacc@1.00.2.

* gnu/packages/mes.scm (nyacc-1.00.2)[propagated-inputs]: New field.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-01-26 22:31:02 +0100'>2022-01-26</span></td><td><a href='/guix/commit/gnu/packages/mes.scm?id=90a41fe388102d448b3f91a070e38a7680d2d568'>gnu: nyacc: Remove unnecessary phase.</a><span class='msg-avail'>...<span class='msg-tooltip'>This partially reverts commit f15ca337bec89f238b9b9ced08c2e02c35629a33.  What
mattered was the addition of guile-bytestructures.

* gnu/packages/mes.scm (nyacc)[arguments]: Remove phase
'install-system-module.
</span></span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2022-01-26 10:16:06 +0100'>2022-01-26</span></td><td><a href='/guix/commit/gnu/packages/mes.scm?id=f15ca337bec89f238b9b9ced08c2e02c35629a33'>gnu: nyacc: Install all modules.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mes.scm (nyacc)[arguments]: Add build phase
'install-system-module.
[propagated-inputs]: Add guile-bytestructures.
</span></span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2022-01-26 08:37:57 +0100'>2022-01-26</span></td><td><a href='/guix/commit/gnu/packages/mes.scm?id=3563558172e2f2711334bdf5ad5ce35c1452923a'>gnu: nyacc: Fix bug 60474.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mes.scm (nyacc)[arguments]: Add build phase 'fix-60474.
</span></span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2022-01-26 08:37:57 +0100'>2022-01-26</span></td><td><a href='/guix/commit/gnu/packages/mes.scm?id=011db003ce43bf5dca41e5512ba07a42c77cb9ae'>gnu: nyacc: Update to 1.06.5.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mes.scm (nyacc): Update to 1.06.5.
[source]: Simplify snippet.
</span></span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2021-12-05 19:17:41 +0100'>2021-12-05</span></td><td><a href='/guix/commit/gnu/packages/mes.scm?id=9bc0f45df5d6aed217020b1183dca54989844fb0'>Merge remote-tracking branch 'origin/master' into core-updates-frozen</a></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2021-11-25 10:15:57 +0530'>2021-11-25</span></td><td><a href='/guix/commit/gnu/packages/mes.scm?id=29b594fa16254e4d228a2ca0ef6463a805d4c036'>gnu: nyacc: Update to 1.05.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mes.scm (nyacc): Update to 1.05.1.
</span></span></td><td>Arun Isaac</td></tr>