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/*
* infopkg.c - query the package database
* https://rawnix.org
*
* Copyright (c) 2025 zorz@gmx.com
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "db.h"
#include "archive.h"
#include "util.h"
#include <err.h>
#include <regex.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
static void usage(void)
{
fprintf(stderr,
"usage: infopkg <operation> [options]\n"
" -i list all installed packages\n"
" -l <pkg> list files owned by package or in archive\n"
" -o <pattern> find which package owns a file (regex)\n"
" -f <file> print footprint of package archive\n"
" -r <root> alternative installation root\n"
);
exit(1);
}
static int pkg_cmp(const void *a, const void *b)
{
return strcmp((*(pkg_t **)a)->name, (*(pkg_t **)b)->name);
}
int main(int argc, char **argv)
{
int opt_installed = 0, opt_list = 0;
int opt_owner = 0, opt_footprint = 0;
const char *opt_root = NULL, *opt_arg = NULL;
const char *root;
pkgdb_t *db;
pkg_t *p, **sorted;
size_t i, j, count;
int c;
while ((c = getopt(argc, argv, "il:o:f:r:vh")) != -1) {
switch (c) {
case 'i': opt_installed = 1; break;
case 'l': opt_list = 1; opt_arg = optarg; break;
case 'o': opt_owner = 1; opt_arg = optarg; break;
case 'f': opt_footprint = 1; opt_arg = optarg; break;
case 'r': opt_root = optarg; break;
case 'v':
printf("infopkg (mkpkg) %s\n", MKPKG_VERSION);
return 0;
case 'h': usage(); /* FALLTHROUGH */
default: usage();
}
}
if (opt_installed + opt_list + opt_owner + opt_footprint == 0)
errx(1, "no operation specified — try -h");
if (opt_installed + opt_list + opt_owner + opt_footprint > 1)
errx(1, "only one operation at a time");
/* footprint does not need the database */
if (opt_footprint) {
if (!file_exists(opt_arg))
errx(1, "file not found: %s", opt_arg);
return arc_footprint(opt_arg);
}
root = opt_root ? opt_root : (getenv("PKG_ROOT") ? getenv("PKG_ROOT") : "/");
db = db_open(root, 0); /* shared lock — read only */
if (opt_installed) {
count = 0;
for (p = db->head; p; p = p->next)
count++;
if (count == 0) {
db_close(db);
return 0;
}
sorted = xmalloc(count * sizeof(pkg_t *));
i = 0;
for (p = db->head; p; p = p->next)
sorted[i++] = p;
qsort(sorted, count, sizeof(pkg_t *), pkg_cmp);
for (i = 0; i < count; i++)
printf("%s %s\n", sorted[i]->name, sorted[i]->version);
free(sorted);
}
else if (opt_list) {
p = db_find(db, opt_arg);
if (p) {
/* installed package — list from database */
strarray_sort(p->files);
for (i = 0; i < p->files->count; i++)
printf("%s\n", p->files->items[i]);
} else if (file_exists(opt_arg)) {
/* package archive on disk */
char *name, *version;
strarray_t *files;
if (arc_list(opt_arg, &name, &version, &files) < 0) {
db_close(db);
return 1;
}
strarray_sort(files);
for (i = 0; i < files->count; i++)
printf("%s\n", files->items[i]);
strarray_free(files);
free(name);
free(version);
} else {
errx(1, "%s is not installed and not a package file", opt_arg);
}
}
else if (opt_owner) {
regex_t re;
int found = 0;
char filepath[PATH_MAX_LEN];
if (regcomp(&re, opt_arg, REG_EXTENDED | REG_NOSUB) != 0)
errx(1, "invalid regex: %s", opt_arg);
for (p = db->head; p; p = p->next) {
for (j = 0; j < p->files->count; j++) {
/* match against /path as stored, with leading / prepended */
snprintf(filepath, sizeof(filepath),
"/%s", p->files->items[j]);
if (regexec(&re, filepath, 0, NULL, 0) == 0) {
printf("%-20s %s\n", p->name, p->files->items[j]);
found = 1;
}
}
}
regfree(&re);
if (!found)
puts("no owner found");
}
db_close(db);
return 0;
}
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