#pragma once

#include "types.hh"
#include "hash.hh"

#include <map>


namespace nix {


/* Extension of derivations in the Nix store. */
const string drvExtension = ".drv";


/* Abstract syntax of derivations. */

struct DerivationOutput
{
    Path path;
    string hashAlgo; /* hash used for expected hash computation */
    string hash; /* expected hash, may be null */
    DerivationOutput()
    {
    }
    DerivationOutput(Path path, string hashAlgo, string hash)
    {
        this->path = path;
        this->hashAlgo = hashAlgo;
        this->hash = hash;
    }
    void parseHashInfo(bool & recursive, HashType & hashType, Hash & hash) const;
};

typedef std::map<string, DerivationOutput> DerivationOutputs;

/* For inputs that are sub-derivations, we specify exactly which
   output IDs we are interested in. */
typedef std::map<Path, StringSet> DerivationInputs;

typedef std::map<string, string> StringPairs;

struct Derivation
{
    DerivationOutputs outputs; /* keyed on symbolic IDs */
    DerivationInputs inputDrvs; /* inputs that are sub-derivations */
    PathSet inputSrcs; /* inputs that are sources */
    string platform;
    Path builder;
    Strings args;
    StringPairs env;
};


class StoreAPI;


/* Write a derivation to the Nix store, and return its path. */
Path writeDerivation(StoreAPI & store,
    const Derivation & drv, const string & name, bool repair = false);

/* Read a derivation from a file. */
Derivation readDerivation(const Path & drvPath);

/* Print a derivation. */
string unparseDerivation(const Derivation & drv);

/* Check whether a file name ends with the extensions for
   derivations. */
bool isDerivation(const string & fileName);

/* Return true iff this is a fixed-output derivation. */
bool isFixedOutputDrv(const Derivation & drv);

Hash hashDerivationModulo(StoreAPI & store, Derivation drv);

/* Memoisation of hashDerivationModulo(). */
typedef std::map<Path, Hash> DrvHashes;

extern DrvHashes drvHashes;

/* Split a string specifying a derivation and a set of outputs
   (/nix/store/hash-foo!out1,out2,...) into the derivation path and
   the outputs. */
typedef std::pair<string, std::set<string> > DrvPathWithOutputs;
DrvPathWithOutputs parseDrvPathWithOutputs(const string & s);

Path makeDrvPathWithOutputs(const Path & drvPath, const std::set<string> & outputs);

bool wantOutput(const string & output, const std::set<string> & wanted);

PathSet outputPaths(const Derivation & drv);

}
 class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/tests/lightdm.scm?id=31f687f2581c9ceb709c6daea7284621e553cfa2&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-07-19 10:38:15 -0400'>2023-07-19</span></td><td><a href='/guix/commit/gnu/tests/lightdm.scm?id=1d837aaa32a3a2de8f4a1ac391f92effba50834e'>tests: lightdm: Bump timeout waiting for screen text to 60 seconds.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is to avoid non-deterministic failures on slower machines.

* gnu/tests/lightdm.scm (run-lightdm-test) &lt;wait-for-screen-text&gt;: Bump
timeout to 60 s (from the default 30 s).
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2023-07-09 22:51:08 -0400'>2023-07-09</span></td><td><a href='/guix/commit/gnu/tests/lightdm.scm?id=65c77f608916f0c206d0d821db1afa2558c5a74f'>gnu: lightdm: Apply patch to fix VNC server address binding ordering.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/patches/lightdm-vnc-ipv6.patch: New patch file.
* gnu/local.mk (dist_patch_DATA): Register it.
* gnu/packages/display-managers.scm (lightdm): Apply it.
* gnu/tests/lightdm.scm (run-lightdm-test): Remove comment and expected fail
directive for the "can connect to TCP port 5900 on IPv6" test.

Suggested-by: Bruno Victal &lt;mirai@makinata.eu&gt;
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2023-03-21 16:53:27 -0400'>2023-03-21</span></td><td><a href='/guix/commit/gnu/tests/lightdm.scm?id=b7506eb334d1cfceca78682879c69edf525c8ccd'>services: Add x11-socket-directory-service-type.</a><span class='msg-avail'>...<span class='msg-tooltip'>The x11-socket-directory-service misuses activation-service-type
to create directories. This kind of usage is incorrect since
activation-service-type does not depend on file-systems, hence incompatible
with user defined /tmp mount.

This commit turns x11-socket-directory-service into a shepherd one-shot
service by defining a new x11-socket-directory-service-type.

* gnu/services/desktop.scm (x11-socket-directory-service-type): New variable.
(x11-socket-directory-service): Deprecate procedure.
(desktop-services-for-system): Use new service-type.
* gnu/tests/lightdm.scm: Ditto.

Reviewed-by: Josselin Poiret &lt;dev@jpoiret.xyz&gt;
Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
</span></span></td><td>Bruno Victal</td></tr>
<tr><td><span title='2023-03-03 17:55:35 +0100'>2023-03-03</span></td><td><a href='/guix/commit/gnu/tests/lightdm.scm?id=2799ad44234be675f018115f99be98d2c9fd565d'>services: dbus: Deprecate 'dbus-service' procedure.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/guix.texi (Desktop Services): Replace with 'dbus-root-service-type'.
Document dbus-configuration.
* gnu/services/dbus.scm (dbus-service): Define with 'define-deprecated'.
* gnu/services/desktop.scm (desktop-services-for-system): Replace with
dbus-root-service-type.
* gnu/system/install.scm (%installation-services): Ditto.
* gnu/tests/base.scm (%avahi-os): Ditto.
* gnu/tests/docker.scm (%docker-os): Ditto.
* gnu/tests/lightdm.scm (minimal-desktop-services): Ditto.
* gnu/tests/virtualization.scm (%libvirt-os): Ditto.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Bruno Victal</td></tr>
<tr><td><span title='2023-03-03 17:55:33 +0100'>2023-03-03</span></td><td><a href='/guix/commit/gnu/tests/lightdm.scm?id=c3dc13e29c624609b851ef50db343074fad2d7cb'>services: desktop: Deprecate 'accountsservice-service' procedure.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/guix.texi (Desktop Services): Replace 'accountsservice-service'
with 'accountsservice-service-type'.
* gnu/services/desktop.scm (accountsservice-service): Deprecate procedure.
(desktop-services-for-system): Use accountsservice-service-type.
* gnu/tests/lightdm.scm (minimal-desktop-services): Ditto.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Bruno Victal</td></tr>
<tr><td><span title='2023-03-03 17:55:33 +0100'>2023-03-03</span></td><td><a href='/guix/commit/gnu/tests/lightdm.scm?id=00767d967d2f70d53bb7494ac09e0e7c44323697'>services: desktop: Deprecate 'elogind-service' procedure.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/guix.texi (Desktop Services): Replace 'elogind-service' with
'elogind-service-type'.
* gnu/services/desktop.scm (elogind-service): Deprecate procedure.
(desktop-services-for-system): Use elogind-service-type.
* gnu/tests/lightdm.scm (minimal-desktop-services): Ditto.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Bruno Victal</td></tr>
<tr><td><span title='2022-11-17 17:43:30 -0500'>2022-11-17</span></td><td><a href='/guix/commit/gnu/tests/lightdm.scm?id=1bea5d38a26755b84437623c0f48915a77899b57'>tests: lightdm: Use set-xorg-configuration to set keyboard layout.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is to validate that it works, when the login manager service type is
properly specified.

* gnu/tests/lightdm.scm (%lightdm-os): Use set-xorg-configuration.
</span></span></td><td>Maxim Cournoyer</td></tr>