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// Copyright (C) 2002 Graydon Hoare <graydon@pobox.com>
//
// This program is made available under the GNU GPL version 2.0 or
// greater. See the accompanying file COPYING for details.
//
// This program is distributed WITHOUT ANY WARRANTY; without even the
// implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE.
#include <iostream>
#include <utility>
#include "charset.hh"
#include "cmd.hh"
#include "database_check.hh"
#include "revision.hh"
using std::cin;
using std::cout;
using std::make_pair;
using std::pair;
using std::set;
using std::string;
// Deletes a revision from the local database. This can be used to
// 'undo' a changed revision from a local database without leaving
// (much of) a trace.
static void
kill_rev_locally(app_state& app, string const& id)
{
revision_id ident;
complete(app, id, ident);
N(app.db.revision_exists(ident),
F("no such revision '%s'") % ident);
//check that the revision does not have any children
set<revision_id> children;
app.db.get_revision_children(ident, children);
N(!children.size(),
F("revision %s already has children. We cannot kill it.") % ident);
app.db.delete_existing_rev_and_certs(ident);
}
CMD(db, N_("database"),
N_("init\n"
"info\n"
"version\n"
"dump\n"
"load\n"
"migrate\n"
"execute\n"
"kill_rev_locally ID\n"
"kill_branch_certs_locally BRANCH\n"
"kill_tag_locally TAG\n"
"check\n"
"changesetify\n"
"rosterify\n"
"regenerate_rosters\n"
"set_epoch BRANCH EPOCH\n"),
N_("manipulate database state"),
options::opts::drop_attr)
{
if (args.size() == 1)
{
if (idx(args, 0)() == "init")
app.db.initialize();
else if (idx(args, 0)() == "info")
app.db.info(cout);
else if (idx(args, 0)() == "version")
app.db.version(cout);
else if (idx(args, 0)() == "dump")
app.db.dump(cout);
else if (idx(args, 0)() == "load")
app.db.load(cin);
else if (idx(args, 0)() == "migrate")
app.db.migrate();
else if (idx(args, 0)() == "check")
check_db(app);
else if (idx(args, 0)() == "changesetify")
build_changesets_from_manifest_ancestry(app);
else if (idx(args, 0)() == "rosterify")
build_roster_style_revs_from_manifest_style_revs(app);
else if (idx(args, 0)() == "regenerate_rosters")
regenerate_rosters(app);
else
throw usage(name);
}
else if (args.size() == 2)
{
if (idx(args, 0)() == "execute")
app.db.debug(idx(args, 1)(), cout);
else if (idx(args, 0)() == "kill_rev_locally")
kill_rev_locally(app,idx(args, 1)());
else if (idx(args, 0)() == "clear_epoch")
app.db.clear_epoch(cert_value(idx(args, 1)()));
else if (idx(args, 0)() == "kill_branch_certs_locally")
app.db.delete_branch_named(cert_value(idx(args, 1)()));
else if (idx(args, 0)() == "kill_tag_locally")
app.db.delete_tag_named(cert_value(idx(args, 1)()));
else
throw usage(name);
}
else if (args.size() == 3)
{
if (idx(args, 0)() == "set_epoch")
{
epoch_data ed(idx(args,2)());
N(ed.inner()().size() == constants::epochlen,
F("The epoch must be %s characters")
% constants::epochlen);
app.db.set_epoch(cert_value(idx(args, 1)()), ed);
}
else
throw usage(name);
}
else
throw usage(name);
}
CMD(set, N_("vars"), N_("DOMAIN NAME VALUE"),
N_("set the database variable NAME to VALUE, in domain DOMAIN"),
options::opts::none)
{
if (args.size() != 3)
throw usage(name);
var_domain d;
var_name n;
var_value v;
internalize_var_domain(idx(args, 0), d);
n = var_name(idx(args, 1)());
v = var_value(idx(args, 2)());
app.db.set_var(make_pair(d, n), v);
}
CMD(unset, N_("vars"), N_("DOMAIN NAME"),
N_("remove the database variable NAME in domain DOMAIN"),
options::opts::none)
{
if (args.size() != 2)
throw usage(name);
var_domain d;
var_name n;
internalize_var_domain(idx(args, 0), d);
n = var_name(idx(args, 1)());
var_key k(d, n);
N(app.db.var_exists(k),
F("no var with name %s in domain %s") % n % d);
app.db.clear_var(k);
}
CMD(complete, N_("informative"), N_("(revision|file|key) PARTIAL-ID"),
N_("complete partial id"),
options::opts::verbose)
{
if (args.size() != 2)
throw usage(name);
bool verbose = app.opts.verbose;
N(idx(args, 1)().find_first_not_of("abcdef0123456789") == string::npos,
F("non-hex digits in partial id"));
if (idx(args, 0)() == "revision")
{
set<revision_id> completions;
app.db.complete(idx(args, 1)(), completions);
for (set<revision_id>::const_iterator i = completions.begin();
i != completions.end(); ++i)
{
if (!verbose) cout << i->inner()() << "\n";
else cout << describe_revision(app, i->inner()) << "\n";
}
}
else if (idx(args, 0)() == "file")
{
set<file_id> completions;
app.db.complete(idx(args, 1)(), completions);
for (set<file_id>::const_iterator i = completions.begin();
i != completions.end(); ++i)
cout << i->inner()() << "\n";
}
else if (idx(args, 0)() == "key")
{
typedef set< pair<key_id, utf8 > > completions_t;
completions_t completions;
app.db.complete(idx(args, 1)(), completions);
for (completions_t::const_iterator i = completions.begin();
i != completions.end(); ++i)
{
cout << i->first.inner()();
if (verbose) cout << " " << i->second();
cout << "\n";
}
}
else
throw usage(name);
}
// Local Variables:
// mode: C++
// fill-column: 76
// c-file-style: "gnu"
// indent-tabs-mode: nil
// End:
// vim: et:sw=2:sts=2:ts=2:cino=>2s,{s,\:s,+s,t0,g0,^-2,e-2,n-2,p2s,(0,=s:
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