diff options
| -rw-r--r-- | doc/guix.texi | 6 | ||||
| -rw-r--r-- | nix/nix-daemon/guix-daemon.cc | 15 |
2 files changed, 21 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index e0235b9590..29cea5cef8 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -864,6 +864,12 @@ Allow at most @var{n} build jobs in parallel. The default value is locally; instead, the daemon will offload builds (@pxref{Daemon Offload Setup}), or simply fail. +@item --rounds=@var{N} +Build each derivation @var{n} times in a row, and raise an error if +consecutive build results are not bit-for-bit identical. Note that this +setting can be overridden by clients such as @command{guix build} +(@pxref{Invoking guix build}). + @item --debug Produce debugging output. diff --git a/nix/nix-daemon/guix-daemon.cc b/nix/nix-daemon/guix-daemon.cc index 1934487d24..20a0732fcb 100644 --- a/nix/nix-daemon/guix-daemon.cc +++ b/nix/nix-daemon/guix-daemon.cc @@ -80,6 +80,7 @@ builds derivations on behalf of its clients."); #define GUIX_OPT_NO_BUILD_HOOK 14 #define GUIX_OPT_GC_KEEP_OUTPUTS 15 #define GUIX_OPT_GC_KEEP_DERIVATIONS 16 +#define GUIX_OPT_BUILD_ROUNDS 17 static const struct argp_option options[] = { @@ -104,6 +105,8 @@ static const struct argp_option options[] = n_("do not use the 'build hook'") }, { "cache-failures", GUIX_OPT_CACHE_FAILURES, 0, 0, n_("cache build failures") }, + { "rounds", GUIX_OPT_BUILD_ROUNDS, "N", 0, + n_("build each derivation N times in a row") }, { "lose-logs", GUIX_OPT_LOSE_LOGS, 0, 0, n_("do not keep build logs") }, { "disable-log-compression", GUIX_OPT_DISABLE_LOG_COMPRESSION, 0, 0, @@ -189,6 +192,18 @@ parse_opt (int key, char *arg, struct argp_state *state) case GUIX_OPT_CACHE_FAILURES: settings.cacheFailure = true; break; + case GUIX_OPT_BUILD_ROUNDS: + { + char *end; + unsigned long n = strtoul (arg, &end, 10); + if (end != arg + strlen (arg)) + { + fprintf (stderr, _("error: %s: invalid number of rounds\n"), arg); + exit (EXIT_FAILURE); + } + settings.set ("build-repeat", std::to_string (std::max (0UL, n - 1))); + break; + } case GUIX_OPT_IMPERSONATE_LINUX_26: settings.impersonateLinux26 = true; break; |