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/*
pkgit - package it!
Copyright (C) 2026 dacctal
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <fcntl.h>
#include <sys/wait.h>
#include <unistd.h>
#include "fetch.h"
#include "files.h"
#include "globs.h"
#include "log.h"
#include "str.h"
bool fetch(package_t *pkg) {
if (pkg->url.data == NULL || pkg->src.data == NULL) {
if (flags.verbose)
log_warn("invalid pkg: url or src is NULL");
return false;
}
str s = str_dupe(&pkg->src);
s.len -= pkg->version.len + 1;
s.data[s.len] = 0;
if (is_directory(s.data) && flags.force) {
return true;
if (remove_tree(s.data)) {
log_error("could not remove %.*s", str_fmt(&s));
return false;
}
}
str_free(&s);
pid_t pid = fork();
if (pid < 0) {
log_error("fork failed");
return false;
}
if (pid == 0) {
if (!flags.verbose) {
int nullfd = open("/dev/null", O_WRONLY);
if (nullfd >= 0) {
dup2(nullfd, STDOUT_FILENO);
dup2(nullfd, STDERR_FILENO);
close(nullfd);
}
}
const char *argv[12];
int i = 0;
argv[i++] = "git";
argv[i++] = "-c";
argv[i++] = "advice.detachedHead=false";
argv[i++] = "clone";
if (pkg->version.data != NULL &&
!str_equal_cstr(&pkg->version, "HEAD")) {
argv[i++] = "--branch";
argv[i++] = pkg->version.data;
}
argv[i++] = "--recursive";
argv[i++] = pkg->url.data;
argv[i++] = pkg->src.data;
argv[i] = NULL;
execvp("git", (char *const *)argv);
_exit(127);
}
int status;
waitpid(pid, &status, 0);
bool result = (WEXITSTATUS(status) == 0);
if (!result) {
log_error("git clone failed");
}
return result;
}
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