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daemon: Rename '--disable-store-optimization' to '--disable-deduplication'.

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* nix/nix-daemon/guix-daemon.cc (GUIX_OPT_DISABLE_STORE_OPTIMIZATION):
  Rename to...
  (GUIX_OPT_DISABLE_DEDUPLICATION): ... this.  Adjust user accordingly.
  (options): Add "disable-deduplication".  Make
  "disable-store-optimization" a hidden alias.
* doc/guix.texi (Invoking guix-daemon): Adjust to new option name.  Add
  index entry.  Improve description.
This commit is contained in:
Ludovic Courtès 2014-08-31 14:29:09 +02:00
parent 44d43c7a85
commit ab3893d713
2 changed files with 16 additions and 8 deletions
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12
doc/guix.texi
View file

@ -506,14 +506,16 @@ Unless @code{--lose-logs} is used, all the build logs are kept in the
@var{localstatedir}. To save space, the daemon automatically compresses
them with bzip2 by default. This option disables that.
@item --disable-store-optimization
@item --disable-deduplication
@cindex deduplication
Disable automatic file ``deduplication'' in the store.
By default, files added to the store are automatically ``deduplicated'':
if a newly added file is identical as another one found in the store,
the daemon makes the new file a hard link to the other file. This
slightly increases the input/output load at the end of a build process.
This option disables this.
if a newly added file is identical to another one found in the store,
the daemon makes the new file a hard link to the other file. This can
noticeably reduce disk usage, at the expense of slightly increasde
input/output load at the end of a build process. This option disables
this optimization.
@item --gc-keep-outputs[=yes|no]
Tell whether the garbage collector (GC) must keep outputs of live

12
nix/nix-daemon/guix-daemon.cc
View file

@ -62,7 +62,7 @@ builds derivations on behalf of its clients.";
#define GUIX_OPT_CACHE_FAILURES 4
#define GUIX_OPT_LOSE_LOGS 5
#define GUIX_OPT_DISABLE_LOG_COMPRESSION 6
#define GUIX_OPT_DISABLE_STORE_OPTIMIZATION 7
#define GUIX_OPT_DISABLE_DEDUPLICATION 7
#define GUIX_OPT_IMPERSONATE_LINUX_26 8
#define GUIX_OPT_DEBUG 9
#define GUIX_OPT_CHROOT_DIR 10
@ -106,8 +106,14 @@ static const struct argp_option options[] =
"Do not keep build logs" },
{ "disable-log-compression", GUIX_OPT_DISABLE_LOG_COMPRESSION, 0, 0,
"Disable compression of the build logs" },
{ "disable-store-optimization", GUIX_OPT_DISABLE_STORE_OPTIMIZATION, 0, 0,
/* '--disable-deduplication' was known as '--disable-store-optimization'
up to Guix 0.7 included, so keep the alias around. */
{ "disable-deduplication", GUIX_OPT_DISABLE_DEDUPLICATION, 0, 0,
"Disable automatic file \"deduplication\" in the store" },
{ "disable-store-optimization", GUIX_OPT_DISABLE_DEDUPLICATION, 0,
OPTION_ALIAS | OPTION_HIDDEN, NULL },
{ "impersonate-linux-2.6", GUIX_OPT_IMPERSONATE_LINUX_26, 0, 0,
"Impersonate Linux 2.6"
#ifndef HAVE_SYS_PERSONALITY_H
@ -163,7 +169,7 @@ parse_opt (int key, char *arg, struct argp_state *state)
case GUIX_OPT_BUILD_USERS_GROUP:
settings.buildUsersGroup = arg;
break;
case GUIX_OPT_DISABLE_STORE_OPTIMIZATION:
case GUIX_OPT_DISABLE_DEDUPLICATION:
settings.autoOptimiseStore = false;
break;
case GUIX_OPT_CACHE_FAILURES: