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#include <getopt.h>
#include <stdlib.h>
#include <string.h>
#include "build.h"
#include "evanix.h"
#include "queue.h"
#include "util.h"
static const char usage[] =
"Usage: evanix [options] expr\n"
"\n"
" -h, --help Show help message and quit.\n"
" -f, --flake Build a flake.\n"
" -d, --dry-run Show what derivations would be "
"built.\n"
" -s, --system System to build for.\n"
" -m, --max-build Max number of builds.\n"
" -r, --solver-report Print solver report.\n"
" -p, --pipelined <bool> Use evanix build pipeline.\n"
" -l, --check_cache-status <bool> Perform cache locality check.\n"
" -c, --close-unused-fd <bool> Close stderr on exec.\n"
"\n";
struct evanix_opts_t evanix_opts = {
.close_unused_fd = true,
.isflake = false,
.ispipelined = true,
.isdryrun = false,
.max_build = 0,
.system = NULL,
.solver_report = false,
.check_cache_status = true,
};
static int evanix_build_thread_create(struct build_thread *build_thread);
static int evanix(char *expr);
/* This function returns errno on failure, consistent with the POSIX threads
* functions, rather than returning -errno. */
static int evanix_build_thread_create(struct build_thread *build_thread)
{
int ret;
ret = pthread_create(&build_thread->tid, NULL, build_thread_entry,
build_thread);
if (ret != 0)
return ret;
ret = pthread_setname_np(build_thread->tid, "evanix_build");
if (ret != 0)
return ret;
return 0;
}
static int evanix(char *expr)
{
struct queue_thread *queue_thread = NULL;
struct build_thread *build_thread = NULL;
FILE *jobsStream = NULL; /* nix-eval-jobs stdout */
int ret = 0;
ret = jobs_init(&jobsStream, expr);
if (ret < 0)
goto out_free;
ret = queue_thread_new(&queue_thread, jobsStream);
if (ret < 0) {
free(jobsStream);
goto out_free;
}
ret = build_thread_new(&build_thread, queue_thread->queue);
if (ret < 0) {
free(jobsStream);
goto out_free;
}
ret = pthread_create(&queue_thread->tid, NULL, queue_thread_entry,
queue_thread);
if (ret != 0) {
print_err("%s", strerror(ret));
goto out_free;
}
ret = pthread_setname_np(queue_thread->tid, "evanix_queue");
if (ret != 0) {
print_err("%s", strerror(ret));
goto out_free;
}
if (evanix_opts.ispipelined)
ret = evanix_build_thread_create(build_thread);
else
ret = pthread_join(queue_thread->tid, NULL);
if (ret != 0) {
print_err("%s", strerror(ret));
goto out_free;
}
if (evanix_opts.ispipelined)
ret = pthread_join(queue_thread->tid, NULL);
else
ret = evanix_build_thread_create(build_thread);
if (ret != 0) {
print_err("%s", strerror(ret));
goto out_free;
}
ret = pthread_join(build_thread->tid, NULL);
if (ret != 0) {
print_err("%s", strerror(ret));
goto out_free;
}
out_free:
queue_thread_free(queue_thread);
free(build_thread);
return ret;
}
int main(int argc, char *argv[])
{
extern int optind, opterr, optopt;
extern char *optarg;
int ret, longindex, c;
static struct option longopts[] = {
{"help", no_argument, NULL, 'h'},
{"flake", no_argument, NULL, 'f'},
{"dry-run", no_argument, NULL, 'd'},
{"system", required_argument, NULL, 's'},
{"solver-report", no_argument, NULL, 'r'},
{"max-build", required_argument, NULL, 'm'},
{"pipelined", required_argument, NULL, 'p'},
{"close-unused-fd", required_argument, NULL, 'c'},
{"check-cache-status", required_argument, NULL, 'l'},
{NULL, 0, NULL, 0},
};
while ((c = getopt_long(argc, argv, "hfds:r::m:p:c:l:", longopts,
&longindex)) != -1) {
switch (c) {
case 'h':
printf("%s", usage);
exit(EXIT_SUCCESS);
break;
case 'f':
evanix_opts.isflake = true;
break;
case 'd':
evanix_opts.isdryrun = true;
break;
case 's':
evanix_opts.system = optarg;
break;
case 'r':
evanix_opts.solver_report = true;
break;
case 'm':
ret = atoi(optarg);
if (ret <= 0) {
fprintf(stderr,
"option -%c requires a natural number "
"argument\n"
"Try 'evanix --help' for more "
"information.\n",
c);
exit(EXIT_FAILURE);
}
evanix_opts.max_build = ret;
break;
case 'p':
ret = atob(optarg);
if (ret < 0) {
fprintf(stderr,
"option -%c requires a bool argument\n"
"Try 'evanix --help' for more "
"information.\n",
c);
exit(EXIT_FAILURE);
}
evanix_opts.ispipelined = ret;
break;
case 'c':
ret = atob(optarg);
if (ret < 0) {
fprintf(stderr,
"option -%c requires a bool argument\n"
"Try 'evanix --help' for more "
"information.\n",
c);
exit(EXIT_FAILURE);
}
evanix_opts.close_unused_fd = ret;
break;
case 'l':
ret = atob(optarg);
if (ret < 0) {
fprintf(stderr,
"option -%c requires a bool argument\n"
"Try 'evanix --help' for more "
"information.\n",
c);
exit(EXIT_FAILURE);
}
evanix_opts.check_cache_status = ret;
break;
default:
fprintf(stderr,
"Try 'evanix --help' for more information.\n");
exit(EXIT_FAILURE);
break;
}
}
if (optind != argc - 1) {
fprintf(stderr, "evanix: invalid expr operand\n"
"Try 'evanix --help' for more information.\n");
exit(EXIT_FAILURE);
}
ret = evanix(argv[optind]);
if (ret < 0)
exit(EXIT_FAILURE);
exit(EXIT_SUCCESS);
}
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