#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);


}
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<div class='path'>path: <a href='/guix/log/?id=757be0e8af0805ea354a7003a1e2b71475caf9ae'>root</a>/<a href='/guix/log/gnu?id=757be0e8af0805ea354a7003a1e2b71475caf9ae'>gnu</a>/<a href='/guix/log/gnu/services?id=757be0e8af0805ea354a7003a1e2b71475caf9ae'>services</a>/<a href='/guix/log/gnu/services/sddm.scm?id=757be0e8af0805ea354a7003a1e2b71475caf9ae'>sddm.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/services/sddm.scm?id=757be0e8af0805ea354a7003a1e2b71475caf9ae&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-11-18 22:31:32 +0100'>2020-11-18</span></td><td><a href='/guix/commit/gnu/services/sddm.scm?id=0ae9bbe4f5f89e6f597bdb1f6df646fc5f504876'>services: SDDM: Wait for elogind before starting.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-04-19 09:06:20 +0300'>2020-04-19</span></td><td><a href='/guix/commit/gnu/services/sddm.scm?id=fafe2343c29bcb02fcee79558fbd8ae2ba2c1214'>services: sddm: Have sddm provision xorg-server.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2020-03-01 14:13:27 +0100'>2020-03-01</span></td><td><a href='/guix/commit/gnu/services/sddm.scm?id=50be0da7bfd5c108697679effeb2a893d2f37598'>services: set-xorg-configuration: handle slim and sddm</a><span class='msg-avail'>...</span></td><td>Jakub Kądziołka</td></tr>
<tr><td><span title='2020-02-16 09:25:00 +0200'>2020-02-16</span></td><td><a href='/guix/commit/gnu/services/sddm.scm?id=3c6aca4232d1a3638ec962bc7afe9121626c43ec'>doc: Fix typo.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>