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/* ISC license. */
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <skalibs/buffer.h>
#include <skalibs/direntry.h>
#include <skalibs/envexec.h>
#include <skalibs/tai.h>
#include <s6-rc/config.h>
#include <s6-rc/repo.h>
#define USAGE "s6-rc-repo-list [ -v verbosity ] [ -r repo ] [ -x exclude ]"
#define dieusage() strerr_dieusage(100, USAGE)
#define dieout() strerr_diefu1sys(111, "write to stdout")
enum gola_e
{
GOLA_VERBOSITY,
GOLA_REPODIR,
GOLA_EXCLUDE,
GOLA_N
} ;
static gol_arg const rgola[] =
{
{ .so = 'v', .lo = "verbosity", .i = GOLA_VERBOSITY },
{ .so = 'r', .lo = "repodir", .i = GOLA_REPODIR },
{ .so = 'x', .lo = "exclude", .i = GOLA_EXCLUDE }
} ;
int main (int argc, char const *const *argv)
{
char const *wgola[GOLA_N] = { 0 } ;
unsigned int verbosity = 1 ;
unsigned int golc ;
int fdlock ;
PROG = "s6-rc-repo-list" ;
wgola[GOLA_REPODIR] = S6RC_REPODIR ;
golc = gol_main(argc, argv, 0, 0, rgola, 3, 0, wgola) ;
argc -= golc ; argv += golc ;
if (wgola[GOLA_VERBOSITY] && !uint0_scan(wgola[GOLA_VERBOSITY], &verbosity))
strerr_dief1x(100, "verbosity needs to be an unsigned integer") ;
tain_now_g() ;
fdlock = s6rc_repo_lock(wgola[GOLA_REPODIR], 1) ;
if (fdlock == -1) strerr_diefu2sys(111, "lock ", wgola[GOLA_REPODIR]) ;
size_t repolen = strlen(wgola[GOLA_REPODIR]) ;
char fn[repolen + 9] ;
memcpy(fn, wgola[GOLA_REPODIR], repolen) ;
memcpy(fn + repolen, "/sources", 9) ;
DIR *dir = opendir(fn) ;
if (!dir) strerr_diefu2sys(111, "opendir ", fn) ;
for (;;)
{
direntry *d ;
errno = 0 ;
d = readdir(dir) ;
if (!d) break ;
if (d->d_name[0] == '.') continue ;
if (wgola[GOLA_EXCLUDE] && !strcmp(d->d_name, wgola[GOLA_EXCLUDE])) continue ;
if (buffer_puts(buffer_1, d->d_name) < 0
|| buffer_put(buffer_1, "\n", 1) < 0) dieout() ;
}
if (errno) strerr_diefu2sys(111, "readdir ", fn) ;
// dir_close(dir) ;
if (!buffer_flush(buffer_1)) dieout() ;
_exit(0) ;
}
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