mirror of
https://github.com/pygos/pkg-utils.git
synced 2024-11-14 17:37:11 +01:00
109 lines
2.3 KiB
C
109 lines
2.3 KiB
C
/* SPDX-License-Identifier: ISC */
|
|
#include <stdbool.h>
|
|
#include <getopt.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <fcntl.h>
|
|
|
|
#include "depgraph.h"
|
|
#include "command.h"
|
|
|
|
static const struct option long_opts[] = {
|
|
{ "no-dependencies", no_argument, NULL, 'd' },
|
|
{ "repo-dir", required_argument, NULL, 'R' },
|
|
{ NULL, 0, NULL, 0 },
|
|
};
|
|
|
|
static const char *short_opts = "dR:";
|
|
|
|
static void print_dot_graph(struct pkg_dep_list *list)
|
|
{
|
|
struct pkg_dep_node *it;
|
|
size_t i;
|
|
|
|
printf("digraph dependencies {\n");
|
|
|
|
for (it = list->head; it != NULL; it = it->next) {
|
|
for (i = 0; i < it->num_deps; ++i) {
|
|
printf("\t\"%s\" -> \"%s\";\n",
|
|
it->name, it->deps[i]->name);
|
|
}
|
|
}
|
|
|
|
printf("}\n");
|
|
}
|
|
|
|
static int cmd_depgraph(int argc, char **argv)
|
|
{
|
|
int i, repofd = AT_FDCWD, ret = EXIT_FAILURE;
|
|
struct pkg_dep_list list;
|
|
bool resolve_deps = true;
|
|
|
|
memset(&list, 0, sizeof(list));
|
|
|
|
for (;;) {
|
|
i = getopt_long(argc, argv, short_opts, long_opts, NULL);
|
|
if (i == -1)
|
|
break;
|
|
|
|
switch (i) {
|
|
case 'd':
|
|
resolve_deps = false;
|
|
break;
|
|
case 'R':
|
|
if (repofd != AT_FDCWD) {
|
|
fputs("repo specified more than once\n",
|
|
stderr);
|
|
tell_read_help(argv[0]);
|
|
goto out;
|
|
}
|
|
repofd = open(optarg, O_RDONLY | O_DIRECTORY);
|
|
if (repofd < 0) {
|
|
perror(optarg);
|
|
goto out;
|
|
}
|
|
break;
|
|
default:
|
|
tell_read_help(argv[0]);
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
for (i = optind; i < argc; ++i) {
|
|
if (append_pkg(&list, argv[i]) == NULL)
|
|
goto out;
|
|
}
|
|
|
|
if (resolve_deps) {
|
|
if (collect_dependencies(repofd, &list))
|
|
goto out;
|
|
}
|
|
|
|
print_dot_graph(&list);
|
|
ret = EXIT_SUCCESS;
|
|
out:
|
|
if (repofd != AT_FDCWD)
|
|
close(repofd);
|
|
pkg_list_cleanup(&list);
|
|
return ret;
|
|
}
|
|
|
|
static command_t depgraph = {
|
|
.cmd = "depgraph",
|
|
.usage = "[OPTIONS...] PACKAGES...",
|
|
.s_desc = "produces a DOT language dependency graph",
|
|
.l_desc =
|
|
"Fetches a number of packages from a repository directory by name and\n"
|
|
"produces a DOT language dependency graph for the packages.\n"
|
|
"\n"
|
|
"Possible options:\n"
|
|
" --repo-dir, -R <path> Specify the input repository path to fetch the\n"
|
|
" packages from.\n"
|
|
" --no-dependencies, -d Do not resolve dependencies, only process the\n"
|
|
" packages listed on the command line.\n",
|
|
.run_cmd = cmd_depgraph,
|
|
};
|
|
|
|
REGISTER_COMMAND(depgraph)
|