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git/ref-filter.h
Karthik Nayak aedcb7dc75 branch.c: use 'ref-filter' APIs
Make 'branch.c' use 'ref-filter' APIs for iterating through refs
sorting. This removes most of the code used in 'branch.c' replacing it
with calls to the 'ref-filter' library.

Make 'branch.c' use the 'filter_refs()' function provided by 'ref-filter'
to filter out tags based on the options set.

We provide a sorting option provided for 'branch.c' by using the
sorting options provided by 'ref-filter'. Also by default, we sort by
'refname'.  Since 'HEAD' is alphabatically before 'refs/...' we end up
with an array consisting of the 'HEAD' ref then the local branches and
finally the remote-tracking branches.

Also remove the 'ignore' variable from ref_array_item as it was
previously used for the '--merged' option and now that is handled by
ref-filter.

Modify some of the tests in t1430 to check the stderr for a warning
regarding the broken ref. This is done as ref-filter throws a warning
for broken refs rather than directly printing them.

Add tests and documentation for the same.

Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: Matthieu Moy <matthieu.moy@grenoble-inp.fr>
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-09-25 08:54:54 -07:00

110 lines
3.3 KiB
C

#ifndef REF_FILTER_H
#define REF_FILTER_H
#include "sha1-array.h"
#include "refs.h"
#include "commit.h"
#include "parse-options.h"
/* Quoting styles */
#define QUOTE_NONE 0
#define QUOTE_SHELL 1
#define QUOTE_PERL 2
#define QUOTE_PYTHON 4
#define QUOTE_TCL 8
#define FILTER_REFS_INCLUDE_BROKEN 0x0001
#define FILTER_REFS_TAGS 0x0002
#define FILTER_REFS_BRANCHES 0x0004
#define FILTER_REFS_REMOTES 0x0008
#define FILTER_REFS_OTHERS 0x0010
#define FILTER_REFS_ALL (FILTER_REFS_TAGS | FILTER_REFS_BRANCHES | \
FILTER_REFS_REMOTES | FILTER_REFS_OTHERS)
#define FILTER_REFS_DETACHED_HEAD 0x0020
#define FILTER_REFS_KIND_MASK (FILTER_REFS_ALL | FILTER_REFS_DETACHED_HEAD)
struct atom_value;
struct ref_sorting {
struct ref_sorting *next;
int atom; /* index into used_atom array (internal) */
unsigned reverse : 1,
version : 1;
};
struct ref_array_item {
unsigned char objectname[20];
int flag;
unsigned int kind;
const char *symref;
struct commit *commit;
struct atom_value *value;
char refname[FLEX_ARRAY];
};
struct ref_array {
int nr, alloc;
struct ref_array_item **items;
struct rev_info *revs;
};
struct ref_filter {
const char **name_patterns;
struct sha1_array points_at;
struct commit_list *with_commit;
enum {
REF_FILTER_MERGED_NONE = 0,
REF_FILTER_MERGED_INCLUDE,
REF_FILTER_MERGED_OMIT
} merge;
struct commit *merge_commit;
unsigned int with_commit_tag_algo : 1,
match_as_path : 1,
detached : 1;
unsigned int kind,
lines;
int abbrev,
verbose;
};
struct ref_filter_cbdata {
struct ref_array *array;
struct ref_filter *filter;
};
/* Macros for checking --merged and --no-merged options */
#define _OPT_MERGED_NO_MERGED(option, filter, h) \
{ OPTION_CALLBACK, 0, option, (filter), N_("commit"), (h), \
PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG, \
parse_opt_merge_filter, (intptr_t) "HEAD" \
}
#define OPT_MERGED(f, h) _OPT_MERGED_NO_MERGED("merged", f, h)
#define OPT_NO_MERGED(f, h) _OPT_MERGED_NO_MERGED("no-merged", f, h)
/*
* API for filtering a set of refs. Based on the type of refs the user
* has requested, we iterate through those refs and apply filters
* as per the given ref_filter structure and finally store the
* filtered refs in the ref_array structure.
*/
int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type);
/* Clear all memory allocated to ref_array */
void ref_array_clear(struct ref_array *array);
/* Parse format string and sort specifiers */
int parse_ref_filter_atom(const char *atom, const char *ep);
/* Used to verify if the given format is correct and to parse out the used atoms */
int verify_ref_format(const char *format);
/* Sort the given ref_array as per the ref_sorting provided */
void ref_array_sort(struct ref_sorting *sort, struct ref_array *array);
/* Print the ref using the given format and quote_style */
void show_ref_array_item(struct ref_array_item *info, const char *format, int quote_style);
/* Callback function for parsing the sort option */
int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset);
/* Default sort option based on refname */
struct ref_sorting *ref_default_sorting(void);
/* Function to parse --merged and --no-merged options */
int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset);
#endif /* REF_FILTER_H */