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Add ENABLE_SYNCHRONIZED_OBJECT_CREATION option

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Allow users to enable `SYNCHRONIZED_OBJECT_CREATION` with a setting.
This commit is contained in:
Edward Thomson 2016-12-13 10:58:43 -05:00
parent fc27fe213c
commit 6d3ad7e09e
5 changed files with 16 additions and 1 deletions
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8
include/git2/common.h
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@ -179,6 +179,7 @@ typedef enum {
GIT_OPT_SET_SSL_CIPHERS,
GIT_OPT_GET_USER_AGENT,
GIT_OPT_ENABLE_OFS_DELTA,
GIT_OPT_ENABLE_SYNCHRONIZED_OBJECT_CREATION,
} git_libgit2_opt_t;
/**
@ -316,6 +317,13 @@ typedef enum {
* > Packfiles containing offset deltas can still be read.
* > This defaults to enabled.
*
* * opts(GIT_OPT_ENABLE_SYNCHRONIZED_OBJECT_CREATION, int enabled)
*
* > Enable synchronized writes of new objects using `fsync`
* > (or the platform equivalent) to ensure that new object data
* > is written to permanent storage, not simply cached. This
* > defaults to disabled.
*
* @param option Option key
* @param ... value to set the option
* @return 0 on success, <0 on failure

1
src/object.c
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@ -16,6 +16,7 @@
#include "tag.h"
bool git_object__strict_input_validation = true;
bool git_object__synchronized_writing = false;
typedef struct {
const char *str; /* type name string */

1
src/object.h
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@ -10,6 +10,7 @@
#include "repository.h"
extern bool git_object__strict_input_validation;
extern bool git_object__synchronized_writing;
/** Base git object for inheritance */
struct git_object {

3
src/odb_loose.c
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@ -14,6 +14,7 @@
#include "odb.h"
#include "delta.h"
#include "filebuf.h"
#include "object.h"
#include "git2/odb_backend.h"
#include "git2/types.h"
@ -843,7 +844,7 @@ static int filebuf_flags(loose_backend *backend)
int flags = GIT_FILEBUF_TEMPORARY |
(backend->object_zlib_level << GIT_FILEBUF_DEFLATE_SHIFT);
if (backend->fsync_object_files)
if (backend->fsync_object_files || git_object__synchronized_writing)
flags |= GIT_FILEBUF_FSYNC;
return flags;

4
src/settings.c
View File

@ -227,6 +227,10 @@ int git_libgit2_opts(int key, ...)
git_smart__ofs_delta_enabled = (va_arg(ap, int) != 0);
break;
case GIT_OPT_ENABLE_SYNCHRONIZED_OBJECT_CREATION:
git_object__synchronized_writing = (va_arg(ap, int) != 0);
break;
default:
giterr_set(GITERR_INVALID, "invalid option key");
error = -1;