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/*
* Copyright 2005-2020 Gentoo Authors
* Distributed under the terms of the GNU General Public License v2
*
* Copyright 2005-2010 Ned Ludd - <solar@gentoo.org>
* Copyright 2005-2014 Mike Frysinger - <vapier@gentoo.org>
* Copyright 2018- Fabian Groffen - <grobian@gentoo.org
*/
#include "main.h"
#include "applets.h"
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <xalloc.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "atom.h"
#include "basename.h"
#include "rmspace.h"
#include "tree.h"
#include "xarray.h"
#include "xregex.h"
#define QSEARCH_FLAGS "asSNHRF:" COMMON_FLAGS
static struct option const qsearch_long_opts[] = {
{"all", no_argument, NULL, 'a'},
{"search", no_argument, NULL, 's'},
{"desc", a_argument, NULL, 'S'},
{"name-only", no_argument, NULL, 'N'},
{"homepage", no_argument, NULL, 'H'},
{"repo", no_argument, NULL, 'R'},
{"format", a_argument, NULL, 'F'},
COMMON_LONG_OPTS
};
static const char * const qsearch_opts_help[] = {
"List the descriptions of every package in the cache",
"Regex search package basenames",
"Regex search package descriptions (or homepage when using -H)",
"Only show package name",
"Show homepage info instead of description",
"Show repository the ebuild originates from",
"Print matched atom using given format string",
COMMON_OPTS_HELP
};
#define qsearch_usage(ret) usage(ret, QSEARCH_FLAGS, qsearch_long_opts, qsearch_opts_help, NULL, lookup_applet_idx("qsearch"))
struct qsearch_state {
bool show_homepage:1;
bool show_name:1;
bool show_desc:1;
bool search_desc:1;
bool search_name:1;
bool need_full_atom:1;
regex_t search_expr;
const char *fmt;
};
static int
qsearch_cb(tree_pkg_ctx *pkg_ctx, void *priv)
{
static depend_atom *last_atom;
struct qsearch_state *state = (struct qsearch_state *)priv;
depend_atom *atom;
char *desc;
bool match;
atom = tree_get_atom(pkg_ctx, 0);
if (atom == NULL)
return 0;
/* skip duplicate packages (we never report version) */
if (last_atom != NULL && strcmp(last_atom->PN, atom->PN) == 0)
return 0;
match = false;
if (state->search_name &&
regexec(&state->search_expr, atom->PN, 0, NULL, 0) == 0)
match = true;
desc = NULL;
if ((match && (state->show_homepage || state->show_desc)) ||
(!match && state->search_desc))
{
if (state->show_homepage)
desc = tree_pkg_meta_get(pkg_ctx, HOMEPAGE);
else if (state->show_desc)
desc = tree_pkg_meta_get(pkg_ctx, DESCRIPTION);
}
if (!match && state->search_desc && desc != NULL &&
regexec(&state->search_expr, desc, 0, NULL, 0) == 0)
match = true;
if (match) {
atom = tree_get_atom(pkg_ctx, state->need_full_atom);
printf("%s%s%s\n",
atom_format(state->fmt, atom),
(state->show_name ? "" : ": "),
(state->show_name ? "" : desc ? desc : ""));
}
if (last_atom != NULL)
atom_implode(last_atom);
last_atom = atom;
pkg_ctx->atom = NULL; /* we stole the atom, make sure it won't get freed */
return EXIT_SUCCESS;
}
int qsearch_main(int argc, char **argv)
{
int ret = EXIT_SUCCESS;
const char *search_me = NULL;
int i;
const char *overlay;
size_t n;
struct qsearch_state state = {
.show_homepage = false,
.show_name = false,
.show_desc = false,
.search_desc = false,
.search_name = false,
.need_full_atom = false,
.fmt = NULL,
};
while ((i = GETOPT_LONG(QSEARCH, qsearch, "")) != -1) {
switch (i) {
COMMON_GETOPTS_CASES(qsearch)
case 'a': search_me = ".*"; break;
case 's': state.search_name = true; break;
case 'S': state.search_desc = true; break;
case 'N': state.show_name = true; break;
case 'H': state.show_homepage = true; break;
case 'F': state.fmt = optarg; /* fall through */
case 'R': state.need_full_atom = true; break;
}
}
/* set defaults */
if (!state.show_homepage)
state.show_desc = true;
if (!state.search_name && !state.search_desc)
state.search_name = true;
/* compile expression */
if (search_me == NULL) {
if (argc == optind)
qsearch_usage(EXIT_FAILURE);
search_me = argv[optind];
}
xregcomp(&state.search_expr, search_me, REG_EXTENDED | REG_ICASE);
/* set default format */
if (state.fmt == NULL) {
if (state.need_full_atom)
if (verbose)
state.fmt = "%[CATEGORY]%[PF]%[REPO]";
else
state.fmt = "%[CATEGORY]%[PN]%[REPO]";
else
if (verbose)
state.fmt = "%[CATEGORY]%[PF]";
else
state.fmt = "%[CATEGORY]%[PN]";
}
/* use sorted order here so the duplicate reduction works reliably */
array_for_each(overlays, n, overlay) {
tree_ctx *t = tree_open(portroot, overlay);
if (t != NULL) {
ret |= tree_foreach_pkg_sorted(t, qsearch_cb, &state, NULL);
tree_close(t);
}
}
regfree(&state.search_expr);
return ret;
}
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