#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=09ee1a611619b3678b392a293a924ae77933eb98'>root</a>/<a href='/guix/log/tests?id=09ee1a611619b3678b392a293a924ae77933eb98'>tests</a>/<a href='/guix/log/tests/git-authenticate.scm?id=09ee1a611619b3678b392a293a924ae77933eb98'>git-authenticate.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/git-authenticate.scm?id=09ee1a611619b3678b392a293a924ae77933eb98&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-06-28 23:26:53 +0200'>2020-06-28</span></td><td><a href='/guix/commit/tests/git-authenticate.scm?id=0a8dd8aae5fad365c2f429d48e4085a3b3388332'>tests: Allow 'tests/git-authenticate.scm' to run when git/gpg is missing.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://bugs.gnu.org/42077&gt;.
Reported by Jan Nieuwenhuizen &lt;janneke@gnu.org&gt;.

The typo was introduced in 7b06781a58326f251c4af6340379d68e3cb98adb.

* tests/git-authenticate.scm &lt;top level&gt;: Remove call to 'which'
around (gpg+git-available?).
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-06-20 13:18:11 +0200'>2020-06-20</span></td><td><a href='/guix/commit/tests/git-authenticate.scm?id=7b06781a58326f251c4af6340379d68e3cb98adb'>tests: Skip tests that requires gpg when gpg is unavailable.</a><span class='msg-avail'>...<span class='msg-tooltip'>Partly fixes &lt;https://bugs.gnu.org/41932&gt;.
Reported by Simen Endsjø &lt;simendsjo@gmail.com&gt;.

* tests/git-authenticate.scm ("signed commits, SHA1 signature"): Use
'gpg+git-available?' in skip guard.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-06-16 16:10:46 +0200'>2020-06-16</span></td><td><a href='/guix/commit/tests/git-authenticate.scm?id=1e2b9bf2d4ed4edc9ed70c51f414bb2890074a21'>tests: Move OpenPGP helpers to (guix tests gnupg).</a><span class='msg-avail'>...<span class='msg-tooltip'>* tests/git-authenticate.scm (key-id): Remove.
(%ed25519-public-key-file, %ed25519-secret-key-file)
(%ed25519bis-public-key-file, %ed25519bis-secret-key-file)
(read-openpgp-packet, key-fingerprint): Move to...
* guix/tests/gnupg.scm: ... here.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-06-12 18:56:11 +0200'>2020-06-12</span></td><td><a href='/guix/commit/tests/git-authenticate.scm?id=52c529ff20b389eb64ac033586e6b1a5c5d82cb5'>git-authenticate: Disallow SHA1 (and MD5) signatures.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/git-authenticate.scm (commit-signing-key): Add
 #:disallowed-hash-algorithms and honor it.
(authenticate-commit)[recent-commit?]: New variable.
Pass #:disallowed-hash-algorithms to 'commit-signing-key'.
* tests/git-authenticate.scm ("signed commits, SHA1 signature"): New test.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-06-07 23:10:46 +0200'>2020-06-07</span></td><td><a href='/guix/commit/tests/git-authenticate.scm?id=e78275608065ef073775fabb9f1a757da65851f2'>git-authenticate: Prevent removal of '.guix-authorizations'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/git-authenticate.scm (commit-authorized-keys)
[parents-have-authorizations-file?, assert-parents-lack-authorizations]:
New procedures.
Use the latter before returning DEFAULT-AUTHORIZATIONS.
* guix/git.scm (false-if-git-not-found): Export.
* guix/tests/git.scm (populate-git-repository): Add 'remove' clause.
* tests/git-authenticate.scm ("signed commits, .guix-authorizations removed"):
New test.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-06-05 22:54:06 +0200'>2020-06-05</span></td><td><a href='/guix/commit/tests/git-authenticate.scm?id=c83eedba2361c3831d3efb5ad63d5077d636fb28'>git-authenticate: Add tests.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/tests/git.scm (call-with-environment-variables)
(with-environment-variables): Remove.
* guix/tests/git.scm (populate-git-repository): Add clauses for signed
commits and signed merges.
* guix/tests/gnupg.scm: New file.
* tests/git-authenticate.scm: New file.
* tests/ed25519bis.key, tests/ed25519bis.sec: New files.
* Makefile.am (dist_noinst_DATA): Add 'guix/tests/gnupg.scm'.
(SCM_TESTS): Add 'tests/git-authenticate.scm'.
(EXTRA_DIST): Add tests/ed25519bis.{key,sec}.
</span></span></td><td>Ludovic Courtès</td></tr>