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/* ISC license. */
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <skalibs/uint64.h>
#include <skalibs/posixplz.h>
#include <skalibs/stat.h>
#include <skalibs/prog.h>
#include <skalibs/allreadwrite.h>
#include <skalibs/strerr.h>
#include <skalibs/gol.h>
#include <skalibs/tai.h>
#include <skalibs/stralloc.h>
#include <skalibs/genalloc.h>
#include <skalibs/djbunix.h>
#include <s6-rc/config.h>
#include <s6-rc/s6rc.h>
#define USAGE "s6-rc-set-commit [ -v verbosity ] [ -r repo ] [ -D defaultbundle ] [ -h fdhuser ] [ -K ] set"
#define dieusage() strerr_dieusage(100, USAGE)
enum golb_e
{
GOLB_KEEPOLD = 0x01
} ;
enum gola_e
{
GOLA_VERBOSITY,
GOLA_REPODIR,
GOLA_DEFBUNDLE,
GOLA_FDHUSER,
GOLA_N
} ;
static gol_bool const rgolb[] =
{
{ .so = 'K', .lo = "keep-old", .clear = 0, .set = GOLB_KEEPOLD }
} ;
static gol_arg const rgola[] =
{
{ .so = 'v', .lo = "verbosity", .i = GOLA_VERBOSITY },
{ .so = 'r', .lo = "repodir", .i = GOLA_REPODIR },
{ .so = 'D', .lo = "default-bundle", .i = GOLA_DEFBUNDLE },
{ .so = 'h', .lo = "fd-holder-user", .i = GOLA_FDHUSER }
} ;
static uint64_t wgolb = 0 ;
static void check_set (char const *repo, char const *set)
{
struct stat st ;
size_t repolen = strlen(repo) ;
size_t setlen = strlen(set) ;
char fn[repolen + 10 + setlen] ;
memcpy(fn, repo, repolen) ;
memcpy(fn + repolen, "/sources/", 9) ;
memcpy(fn + repolen + 9, set, setlen + 1) ;
if (stat(fn, &st) == -1)
{
if (errno == ENOENT)
strerr_dief4x(3, "set ", set, " does not exist in repository ", repo) ;
else strerr_diefu2sys(111, "stat ", fn) ;
}
if (!S_ISDIR(st.st_mode))
strerr_dief3x(102, "file ", fn, " is not a directory") ;
}
int main (int argc, char const *const *argv)
{
int fdlock ;
unsigned int verbosity = 1 ;
char const *wgola[GOLA_N] = { 0 } ;
unsigned int golc ;
int r ;
PROG = "s6-rc-set-commit" ;
wgola[GOLA_REPODIR] = S6RC_REPO_BASE ;
wgola[GOLA_DEFBUNDLE] = "default" ;
golc = GOL_main(argc, argv, rgolb, rgola, &wgolb, 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") ;
if (!argc) dieusage() ;
if (strchr(argv[0], '/') || strchr(argv[0], '\n'))
strerr_dief1x(100, "set names cannot contain / or newlines") ;
fdlock = s6rc_repo_lock(wgola[GOLA_REPODIR], 1) ;
if (fdlock == -1) strerr_diefu2sys(111, "lock ", wgola[GOLA_REPODIR]) ;
check_set(wgola[GOLA_REPODIR], argv[0]) ;
tain_now_g() ;
size_t oldclen = S6RC_REPO_COMPILE_BUFLEN(strlen(wgola[GOLA_REPODIR]), strlen(argv[0])) ;
char oldc[oldclen] ;
r = s6rc_repo_setcompile(wgola[GOLA_REPODIR], argv[0], wgola[GOLA_DEFBUNDLE], oldc, verbosity, wgola[GOLA_FDHUSER]) ;
if (r == -1) _exit(111) ;
if (!r) _exit(1) ;
if (r == 2)
{
if (wgolb & GOLB_KEEPOLD)
{
oldc[oldclen - 1] = '\n' ;
if (allwrite(1, oldc, oldclen) < oldclen)
strerr_diefu1sys(111, "write to stdout") ;
oldc[oldclen - 1] = 0 ;
}
else rm_rf(oldc) ;
}
_exit(0) ;
}
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