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extension.partialclone: introduce partial clone extension 

Introduce new repository extension option:
    `extensions.partialclone`

See the update to Documentation/technical/repository-version.txt
in this patch for more information.

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
maint
Jonathan Tan 2017-12-05 16:58:43 +00:00 committed by Junio C Hamano
parent f4371a883f
commit 75b97fec17
4 changed files with 21 additions and 1 deletions
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12
Documentation/technical/repository-version.txt
View File

@ -86,3 +86,15 @@ for testing format-1 compatibility.
When the config key `extensions.preciousObjects` is set to `true`,
objects in the repository MUST NOT be deleted (e.g., by `git-prune` or
`git repack -d`).

`partialclone`
~~~~~~~~~~~~~~

When the config key `extensions.partialclone` is set, it indicates
that the repo was created with a partial clone (or later performed
a partial fetch) and that the remote may have omitted sending
certain unwanted objects. Such a remote is called a "promisor remote"
and it promises that all such omitted objects can be fetched from it
in the future.

The value of this key is the name of the promisor remote.

2
cache.h
View File

@ -860,10 +860,12 @@ extern int grafts_replace_parents;
#define GIT_REPO_VERSION 0
#define GIT_REPO_VERSION_READ 1
extern int repository_format_precious_objects;
extern char *repository_format_partial_clone;

struct repository_format {
int version;
int precious_objects;
char *partial_clone; /* value of extensions.partialclone */
int is_bare;
char *work_tree;
struct string_list unknown_extensions;

1
environment.c
View File

@ -27,6 +27,7 @@ int warn_ambiguous_refs = 1;
int warn_on_object_refname_ambiguity = 1;
int ref_paranoia = -1;
int repository_format_precious_objects;
char *repository_format_partial_clone;
const char *git_commit_encoding;
const char *git_log_output_encoding;
const char *apply_default_whitespace;

7
setup.c
View File

@ -420,7 +420,11 @@ static int check_repo_format(const char *var, const char *value, void *vdata)
;
else if (!strcmp(ext, "preciousobjects"))
data->precious_objects = git_config_bool(var, value);
else
else if (!strcmp(ext, "partialclone")) {
if (!value)
return config_error_nonbool(var);
data->partial_clone = xstrdup(value);
} else
string_list_append(&data->unknown_extensions, ext);
} else if (strcmp(var, "core.bare") == 0) {
data->is_bare = git_config_bool(var, value);
@ -463,6 +467,7 @@ static int check_repository_format_gently(const char *gitdir, int *nongit_ok)
}

repository_format_precious_objects = candidate.precious_objects;
repository_format_partial_clone = candidate.partial_clone;
string_list_clear(&candidate.unknown_extensions, 0);
if (!has_common) {
if (candidate.is_bare != -1) {