#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;


}
/git?id=652e7578ce84829246548f03e587ab3a3767f2cc'>git</a>/<a href='/guix/log/etc/git/pre-push?id=652e7578ce84829246548f03e587ab3a3767f2cc'>pre-push</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/etc/git/pre-push?id=652e7578ce84829246548f03e587ab3a3767f2cc&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-05-25 16:23:56 +0200'>2024-05-25</span></td><td><a href='/guix/commit/etc/git/pre-push?id=73b3f941d7d911a1b2bb2bf77d37cb3a12ed4291'>maint: Suggest ‘guix git authenticate’ for initial authentication.</a><span class='msg-avail'>...<span class='msg-tooltip'>The previous recommendation, running ‘make authenticate’, was insecure
because it led users to run code from the very repository they want to
authenticate:

  https://lists.gnu.org/archive/html/guix-devel/2024-04/msg00252.html

* Makefile.am (commit_v1_0_0, channel_intro_commit)
(channel_intro_signer, GUIX_GIT_KEYRING, authenticate): Remove.
* Makefile.am (.git/hooks/%): New target, generalization of previous
‘.git/hooks/pre-push’ target.
(nodist_noinst_DATA): Add ‘.git/hooks/post-merge’.
* doc/contributing.texi (Building from Git): Suggest ‘guix git
authenticate’ instead of ‘make authenticate’.
* etc/git/post-merge: New file.
* etc/git/pre-push: Run ‘guix git authenticate’ instead of ‘make
authenticate’.

Reviewed-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
Reported-by: Skyler Ferris &lt;skyvine@protonmail.com&gt;
Change-Id: Ia415aa8375013d0dd095e891116f6ce841d93efd
</span></span></td><td>Ludovic Courtès</td></tr>