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/* ISC license. */
#include <string.h>
#include <stdint.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <skalibs/bytestr.h>
#include <skalibs/direntry.h>
#include <skalibs/strerr.h>
#include <s6-rc/repo.h>
int s6rc_repo_fillset (char const *repo, char const *set, char const *const *existing, uint32_t n)
{
size_t repolen = strlen(repo) ;
size_t setlen = strlen(set) ;
DIR *dir ;
char atomics[repolen + 18] ;
char setfn[repolen + 10 + setlen] ;
memcpy(atomics, repo, repolen) ;
memcpy(atomics + repolen, "/sources/.atomics", 18) ;
memcpy(setfn, repo, repolen) ;
memcpy(setfn + repolen, "/sources/", 9) ;
memcpy(setfn + repolen + 9, set, setlen+1) ;
dir = opendir(atomics) ;
if (!dir)
{
strerr_warnfu2sys("opendir ", atomics) ;
return 0 ;
}
for (;;)
{
size_t len ;
uint32_t flags ;
direntry *d ;
uint8_t subi ;
errno = 0 ;
d = readdir(dir) ;
if (!d) break ;
if (d->d_name[0] == '.') continue ;
len = strlen(d->d_name) ;
char src[len + 16] ;
char dst[repolen + 18 + setlen + len] ;
memcpy(src, "../../.atomics/", 15) ;
memcpy(src + 15, d->d_name, len+1) ;
if (n && bsearch(d->d_name, existing, n, sizeof(char const *), &str_bcmp)) continue ;
if (s6rc_repo_getserviceflags(repo, d->d_name, &flags) <= 0) return 0 ;
if (flags & 1) subi = 3 ;
else if (flags & 2) subi = 2 ;
else subi = 1 ;
memcpy(dst, setfn, repolen + 9 + setlen) ;
dst[repolen + 9 + setlen] = '/' ;
memcpy(dst + repolen + 10 + setlen, s6rc_repo_subnames[subi], 6) ;
dst[repolen + setlen + 16] = '/' ;
memcpy(dst + repolen + setlen + 17, d->d_name, len+1) ;
if (symlink(src, dst) == -1)
{
strerr_warnfu4sys("symlink ", src, " to ", dst) ;
return 0 ;
}
}
dir_close(dir) ;
if (errno)
{
strerr_warnfu2sys("readdir ", atomics) ;
return 0 ;
}
return 1 ;
}
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