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list_objects_filter_options: introduce 'list_object_filter_config_name'

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In a subsequent commit, we will add configuration options that are
specific to each kind of object filter, in which case it is handy to
have a function that translates between 'enum
list_objects_filter_choice' and an appropriate configuration-friendly
string.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Taylor Blau 2020-07-31 16:26:26 -04:00 committed by Junio C Hamano
parent a08a83db2b
commit b9ea214795
2 changed files with 29 additions and 0 deletions
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23
list-objects-filter-options.c
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@ -15,6 +15,29 @@ static int parse_combine_filter(
const char *arg,
struct strbuf *errbuf);
const char *list_object_filter_config_name(enum list_objects_filter_choice c)
{
switch (c) {
case LOFC_DISABLED:
/* we have no name for "no filter at all" */
break;
case LOFC_BLOB_NONE:
return "blob:none";
case LOFC_BLOB_LIMIT:
return "blob:limit";
case LOFC_TREE_DEPTH:
return "tree";
case LOFC_SPARSE_OID:
return "sparse:oid";
case LOFC_COMBINE:
return "combine";
case LOFC__COUNT:
/* not a real filter type; just the count of all filters */
break;
}
BUG("list_object_filter_choice_name: invalid argument '%d'", c);
}
/*
* Parse value of the argument to the "filter" keyword.
* On the command line this looks like:

6
list-objects-filter-options.h
View File

@ -17,6 +17,12 @@ enum list_objects_filter_choice {
LOFC__COUNT /* must be last */
};
/*
* Returns a configuration key suitable for describing the given object filter,
* e.g.: "blob:none", "combine", etc.
*/
const char *list_object_filter_config_name(enum list_objects_filter_choice c);
struct list_objects_filter_options {
/*
* 'filter_spec' is the raw argument value given on the command line