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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 <stdio.h>
#include <string.h>
#include <sys/wait.h>
#include <unistd.h>
#include "fetch_git.h"
#include "vars.h"
int fetch_git(Pkg pkg) {
if (pkg.url == NULL || pkg.src == NULL) {
fprintf(stderr, "%s invalid pkg: url or src is NULL\n", print_warning);
return -1;
}
pid_t pid = fork();
if (pid < 0) {
perror("fork failed");
return -1;
}
if (pid == 0) {
if (!is_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.ver != NULL && strcmp(pkg.ver, "HEAD") != 0) {
argv[i++] = "--branch";
argv[i++] = pkg.ver;
}
argv[i++] = "--recursive";
argv[i++] = pkg.url;
argv[i++] = pkg.src;
argv[i] = NULL;
execvp("git", (char *const *)argv);
_exit(127);
}
int status;
waitpid(pid, &status, 0);
int result = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
if (result != 0) {
printf("%s git clone failed: %d\n", print_warning, result);
}
return result;
}
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