diff options
Diffstat (limited to 'src/repo/s6-rc-set-enable.c')
| -rw-r--r-- | src/repo/s6-rc-set-enable.c | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/src/repo/s6-rc-set-enable.c b/src/repo/s6-rc-set-enable.c deleted file mode 100644 index 202ac9e..0000000 --- a/src/repo/s6-rc-set-enable.c +++ /dev/null @@ -1,132 +0,0 @@ -/* ISC license. */ - -#include <string.h> -#include <unistd.h> -#include <errno.h> - -#include <skalibs/uint64.h> -#include <skalibs/posixplz.h> -#include <skalibs/prog.h> -#include <skalibs/strerr.h> -#include <skalibs/gol.h> -#include <skalibs/tai.h> -#include <skalibs/djbunix.h> -#include <skalibs/unix-transactional.h> - -#include <s6-rc/config.h> -#include <s6-rc/s6rc.h> - -#define USAGE "s6-rc-set-copy [ -v verbosity ] [ -r repo ] [ -f ] srcset dstset" -#define dieusage() strerr_dieusage(100, USAGE) - -enum golb_e -{ - GOLB_FORCE, - GOLB_N -} ; - -enum gola_e -{ - GOLA_VERBOSITY, - GOLA_REPODIR, - GOLA_N -} ; - -static gol_bool const rgolb[1] = -{ - { .so = 'f', .lo = "force", .clear = 0, .set = 1 << GOLB_FORCE } -} ; - -static gol_arg const rgola[2] = -{ - { .so = 'v', .lo = "verbosity", .i = GOLA_VERBOSITY }, - { .so = 'r', .lo = "repodir", .i = GOLA_REPODIR } -} ; - - -static uint64_t wgolb = 0 ; - -static void cleanup (char const *fn) -{ - int e = errno ; - rm_rf(fn) ; - errno = e ; -} - -static inline void docopy (char const *repo, char const *srcname, char const *dstname) -{ - size_t repolen = strlen(repo) ; - size_t srclen = strlen(srcname) ; - size_t dstlen = strlen(dstname) ; - size_t r ; - char src[repolen + srclen + 10] ; - char dst[repolen + dstlen + 10] ; - char realsrc[repolen + srclen + 18] ; - char realdst[repolen + dstlen + 18] ; - char olddst[repolen + dstlen + 18] ; - memcpy(src, repo, repolen) ; - memcpy(src + repolen, "/sources/", 9) ; - memcpy(src + repolen + 9, srcname, srclen + 1) ; - memcpy(dst, src, repolen + 9) ; - memcpy(dst + repolen + 9, dstname, dstlen + 1) ; - olddst[0] = 0 ; - if (access(dst, F_OK) == -1) - { - if (errno != ENOENT) strerr_diefu2sys(111, "access ", dst) ; - } - else if (wgolb & (1 << GOLB_FORCE)) - { - memcpy(olddst, dst, repolen + 9) ; - r = readlink(dst, olddst + repolen + 9, dstlen + 9) ; - if (r == -1) strerr_diefu2sys(111, "readlink ", dst) ; - if (r != dstlen + 8) strerr_dief3x(102, "symlink ", dst, "doesn't point to a valid name") ; - } - else strerr_dief4x(100, "set ", dstname, " already exists in repository ", repo) ; - - memcpy(realsrc, src, repolen + 9) ; - r = readlink(src, realsrc + repolen + 9, srclen + 9) ; - if (r == -1) strerr_diefu2sys(111, "readlink ", src) ; - if (r != srclen + 8) strerr_dief3x(102, "symlink ", src, "doesn't point to a valid name") ; - realsrc[repolen + srclen + 17] = 0 ; - memcpy(realdst, dst, repolen + 9) ; - dst[repolen + 9] = '.' ; - memcpy(realdst + repolen + 10, dstname, dstlen) ; - memcpy(realdst + repolen + 10 + dstlen, realsrc + repolen + 10 + srclen, 8) ; - if (!hiercopy(realsrc, realdst)) - { - cleanup(realdst) ; - strerr_diefu4sys(111, "copy ", realsrc, " to ", realdst) ; - } - if (!atomic_symlink4(realdst + repolen + 9, dst, 0, 0)) - { - cleanup(realdst) ; - strerr_diefu4sys(111, "symlink ", realdst + repolen + 9, " to ", dst) ; - } - if (olddst[0]) cleanup(olddst) ; -} - -int main (int argc, char const *const *argv) -{ - char const *repo = S6RC_REPO_BASE ; - int fdlock ; - unsigned int verbosity = 1 ; - char const *wgola[2] = { 0 } ; - unsigned int golc ; - - PROG = "s6-rc-set-copy" ; - golc = gol_main(argc, argv, rgolb, 1, rgola, 2, &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 (wgola[GOLA_REPODIR]) repo = wgola[GOLA_REPODIR] ; - if (argc < 2) dieusage() ; - for (unsigned int i = 0 ; i < 2 ; i++) - if (strchr(argv[i], '/') || strchr(argv[i], '\n')) - strerr_dief1x(100, "set names cannot contain / or newlines") ; - - fdlock = s6rc_repo_lock(repo, 1) ; - if (fdlock == -1) strerr_diefu2sys(111, "lock ", repo) ; - tain_now_g() ; - docopy(repo, argv[0], argv[1]) ; - return 0 ; -} |
