#pragma once

#include "config.h"

#include <string>
#include <list>
#include <set>

#include <boost/format.hpp>

/* Before 4.7, gcc's std::exception uses empty throw() specifiers for
 * its (virtual) destructor and what() in c++11 mode, in violation of spec
 */
#ifdef __GNUC__
#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
#define EXCEPTION_NEEDS_THROW_SPEC
#endif
#endif


namespace nix {


/* Inherit some names from other namespaces for convenience. */
using std::string;
using std::list;
using std::set;
using std::vector;
using boost::format;


struct FormatOrString
{
    string s;
    FormatOrString(const string & s) : s(s) { };
    FormatOrString(const format & f) : s(f.str()) { };
    FormatOrString(const char * s) : s(s) { };
};


/* BaseError should generally not be caught, as it has Interrupted as
   a subclass. Catch Error instead. */
class BaseError : public std::exception
{
protected:
    string prefix_; // used for location traces etc.
    string err;
public:
    unsigned int status; // exit status
    BaseError(const FormatOrString & fs, unsigned int status = 1);
#ifdef EXCEPTION_NEEDS_THROW_SPEC
    ~BaseError() throw () { };
    const char * what() const throw () { return err.c_str(); }
#else
    const char * what() const noexcept { return err.c_str(); }
#endif
    const string & msg() const { return err; }
    const string & prefix() const { return prefix_; }
    BaseError & addPrefix(const FormatOrString & fs);
};

#define MakeError(newClass, superClass) \
    class newClass : public superClass                  \
    {                                                   \
    public:                                             \
        newClass(const FormatOrString & fs, unsigned int status = 1) : superClass(fs, status) { }; \
    };

MakeError(Error, BaseError)

class SysError : public Error
{
public:
    int errNo;
    SysError(const FormatOrString & fs);
};


typedef list<string> Strings;
typedef set<string> StringSet;


/* Paths are just strings. */
typedef string Path;
typedef list<Path> Paths;
typedef set<Path> PathSet;


typedef enum {
    lvlError = 0,
    lvlInfo,
    lvlTalkative,
    lvlChatty,
    lvlDebug,
    lvlVomit
} Verbosity;


}
109589ed6477f13f1bcea1898'>local.mk</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/nix/local.mk?id=bbc26afd6198a55109589ed6477f13f1bcea1898&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-10-01 08:58:06 +0000'>2021-10-01</span></td><td><a href='/guix/commit/nix/local.mk?id=8579304e8f4deaca33b816b2d56af1d814a03bde'>build: Don’t delete ‘guix-gc.timer’ file.</a><span class='msg-avail'>...<span class='msg-tooltip'>Without this invoking ‘make clean’ would remove ‘guix-gc.timer’, and ‘make’
would fail with.

  make[2]: *** No rule to make target 'etc/guix-gc.timer', needed by 'all-am'.  Stop.

* nix/local.mk (nodist_systemdservice_DATA): Remove ‘guix-gc.timer’.
</span></span></td><td>Xinglu Chen</td></tr>
<tr><td><span title='2021-09-20 14:18:21 +0000'>2021-09-20</span></td><td><a href='/guix/commit/nix/local.mk?id=5c4fd77097e2cecfd4780e099af7954f86779fe1'>etc: Add systemd files for running ‘guix gc’ periodically</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/guix-gc.service.in: New file.
* etc/guix-gc.timer: Likewise.
* .gitignore: Ignore generated ‘guix-gc.service’.
* nix/local.mk (nodist_systemdservice_DATA): Add ‘guix-gc.service’ and
‘guix-gc.timer’.
(EXTRA_DIST): Add ‘guix-gc.service.in’ and ‘guix-gc.timer’.
* doc/guix.texi (Binary Installation): Mention the new systemd files.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Thiago Jung Bauermann</td></tr>
<tr><td><span title='2021-03-30 10:29:33 +0300'>2021-03-30</span></td><td><a href='/guix/commit/nix/local.mk?id=aed51ecea87f9b5045cc888cd1d9653a27813164'>gnu: guix: Fix openrc init scripts.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://bugs.gnu.org/46871&gt;.

* gnu/packages/package-management.scm (guix)[arguments]: Fix openrc init.
* nix/local.mk (openrcservicedir): Likewise.

Signed-off-by: Efraim Flashner &lt;efraim@flashner.co.il&gt;
</span></span></td><td>zimoun</td></tr>
<tr><td><span title='2020-10-27 18:00:29 +0100'>2020-10-27</span></td><td><a href='/guix/commit/nix/local.mk?id=c40ad1df60e81e2089780ee884504729c7a66695'>maint: Add 'etc/gnu-store.mount.in' to the distribution.</a><span class='msg-avail'>...<span class='msg-tooltip'>Reported by Vagrant Cascadian.

* nix/local.mk (EXTRA_DIST): Add 'etc/gnu-store.mount.in'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-09-17 14:10:42 +0200'>2020-09-17</span></td><td><a href='/guix/commit/nix/local.mk?id=cabac732deffafc796537658a6c33c6c4aec821e'>guix-install.sh: Support OpenRC.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/guix-install.sh (chk_init_sys): Detect OpenRC.
(sys_enable_guix_daemon): Install &amp; enable the Guix daemon on such
systems.
* etc/openrc/guix-daemon.in: New file.
* nix/local.mk: Add a rule for it.
(openrcservicedir, nodist_openrcservice_DATA): New variables.
(CLEANFILES, EXTRA_DIST): Add them.
* .gitignore: Ignore etc/openrc/guix-daemon.

Signed-off-by: Tobias Geerinckx-Rice &lt;me@tobias.gr&gt;
</span></span></td><td>Morgan Smith</td></tr>
<tr><td><span title='2020-06-27 23:42:20 +0200'>2020-06-27</span></td><td><a href='/guix/commit/nix/local.mk?id=8dc6c387852bb9505be44567a5f56913633cc23a'>daemon: Remove OpenSSL hash compatibility wrappers.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libutil/hash.cc (struct Ctx): Copy from gcrypt-hash.hh.
(start, update, finish): Use gcrypt functions directly instead of
OpenSSL-like wrappers.
* nix/libutil/gcrypt-hash.cc, nix/libutil/gcrypt-hash.hh,
nix/libutil/md5.h, nix/libutil/sha1.h, nix/libutil/sha256.h,
nix/libutil/sha512.h: Remove.
* nix/local.mk (libutil_a_SOURCES, libutil_headers): Adjust
accordingly.
</span></span></td><td>Ludovic Courtès</td></tr>