summaryrefslogtreecommitdiff
path: root/src/info.c
blob: 1cde91d765783ac1c786f092762eee7c41a801aa (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
/* info.c - Alpine Package Keeper (APK)
 *
 * Copyright (C) 2005-2009 Natanael Copa <n@tanael.org>
 * Copyright (C) 2009 Timo Teräs <timo.teras@iki.fi>
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it 
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation. See http://www.gnu.org/ for details.
 */

#include <stdio.h>
#include "apk_defines.h"
#include "apk_applet.h"
#include "apk_package.h"
#include "apk_database.h"
#include "apk_state.h"

struct info_ctx {
	int (*action)(struct apk_database *db, int argc, char **argv);
};

static int info_list(struct apk_database *db, int argc, char **argv)
{
	struct apk_package *pkg;

	list_for_each_entry(pkg, &db->installed.packages, installed_pkgs_list) {
		printf("%s", pkg->name->name);
		if (apk_verbosity > 0)
			printf("-%s", pkg->version);
		if (apk_verbosity > 1)
			printf("- %s", pkg->description);
		printf("\n");
	}
	return 0;
}

static int info_exists(struct apk_database *db, int argc, char **argv)
{
	struct apk_name *name;
	int i, j;

	for (i = 0; i < argc; i++) {
		name = apk_db_query_name(db, APK_BLOB_STR(argv[i]));
		if (name == NULL)
			return 1;

		for (j = 0; j < name->pkgs->num; j++) {
			if (apk_pkg_get_state(name->pkgs->item[j]) == APK_STATE_INSTALL)
				break;
		}
		if (j >= name->pkgs->num)
			return 2;
	}

	return 0;
}

static int info_who_owns(struct apk_database *db, int argc, char **argv)
{
	struct apk_package *pkg;
	struct apk_dependency_array *deps = NULL;
	struct apk_dependency dep;
	int i;

	for (i = 0; i < argc; i++) {
		pkg = apk_db_get_file_owner(db, APK_BLOB_STR(argv[i]));
		if (pkg == NULL)
			continue;

		if (apk_verbosity < 1) {
			dep = (struct apk_dependency) {
				.name = pkg->name,
			};
			apk_deps_add(&deps, &dep);
		} else {
			printf("%s is owned by %s-%s\n", argv[i],
			       pkg->name->name, pkg->version);
		}
	}
	if (apk_verbosity < 1 && deps != NULL) {
		char buf[512];
		apk_deps_format(buf, sizeof(buf), deps);
		printf("%s\n", buf);
		free(deps);
	}

	return 0;
}

static int info_parse(void *ctx, int optch, int optindex, const char *optarg)
{
	struct info_ctx *ictx = (struct info_ctx *) ctx;

	switch (optch) {
	case 'e':
		ictx->action = info_exists;
		break;
	case 'W':
		ictx->action = info_who_owns;
		break;
	default:
		return -1;
	}
	return 0;
}

static int info_main(void *ctx, int argc, char **argv)
{
	struct info_ctx *ictx = (struct info_ctx *) ctx;
	struct apk_database db;
	int r;

	if (apk_db_open(&db, apk_root) < 0)
		return -1;

	if (ictx->action != NULL)
		r = ictx->action(&db, argc, argv);
	else
		r = info_list(&db, argc, argv);

	apk_db_close(&db);
	return r;
}

static struct option info_options[] = {
	{ "installed",	no_argument,		NULL, 'e' },
	{ "who-owns",	no_argument,		NULL, 'W' },
};

static struct apk_applet apk_info = {
	.name = "info",
	.usage = "",
	.context_size = sizeof(struct info_ctx),
	.num_options = ARRAY_SIZE(info_options),
	.options = info_options,
	.parse = info_parse,
	.main = info_main,
};

APK_DEFINE_APPLET(apk_info);