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check-mailmap: add options for additional mailmap sources

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The git check-mailmap command reads the mailmap from either the default
.mailmap location and then from the mailmap.blob and mailmap.file
configurations.

A following change to git send-email will want to support new
configuration options based on the configured identity. The
identity-based configuration and options only make sense in the context
of git send-email.

Expose the read_mailmap_file and read_mailmap_blob functions from
mailmap.c.  Teach git check-mailmap the --mailmap-file and
--mailmap-blob options which load the additional mailmap sources.

Signed-off-by: Jacob Keller <jacob.keller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jacob Keller 2024-08-27 14:27:17 -07:00 committed by Junio C Hamano
parent 3a27e991f2
commit f54ca6ae72
4 changed files with 27 additions and 6 deletions
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10
Documentation/git-check-mailmap.txt
View file

@ -27,6 +27,16 @@ OPTIONS
Read contacts, one per line, from the standard input after exhausting
contacts provided on the command-line.
--mailmap-file=<file>::
In addition to any configured mailmap files, read the specified
mailmap file. Entries in this file take precedence over entries in
either the default mailmap file or any configured mailmap file.
--mailmap-blob=<blob>::
Like `--mailmap-file`, but consider the value as a reference to a
blob in the repository. If both `--mailmap-file` and
`--mailmap-blob` are specified, entries in `--mailmap-file` will
take precedence.
OUTPUT
------

7
builtin/check-mailmap.c
View file

@ -9,6 +9,7 @@
#include "write-or-die.h"
static int use_stdin;
static const char *mailmap_file, *mailmap_blob;
static const char * const check_mailmap_usage[] = {
N_("git check-mailmap [<options>] <contact>..."),
NULL
@ -16,6 +17,8 @@ NULL
static const struct option check_mailmap_options[] = {
OPT_BOOL(0, "stdin", &use_stdin, N_("also read contacts from stdin")),
OPT_FILENAME(0, "mailmap-file", &mailmap_file, N_("read additional mailmap entries from file")),
OPT_STRING(0, "mailmap-blob", &mailmap_blob, N_("blob"), N_("read additional mailmap entries from blob")),
OPT_END()
};
@ -56,6 +59,10 @@ int cmd_check_mailmap(int argc, const char **argv, const char *prefix)
die(_("no contacts specified"));
read_mailmap(&mailmap);
if (mailmap_blob)
read_mailmap_blob(&mailmap, mailmap_blob);
if (mailmap_file)
read_mailmap_file(&mailmap, mailmap_file, 0);
for (i = 0; i < argc; ++i)
check_mailmap(&mailmap, argv[i]);

7
mailmap.c
View file

@ -142,10 +142,7 @@ static void read_mailmap_line(struct string_list *map, char *buffer)
add_mapping(map, name1, email1, name2, email2);
}
/* Flags for read_mailmap_file() */
#define MAILMAP_NOFOLLOW (1<<0)
static int read_mailmap_file(struct string_list *map, const char *filename,
int read_mailmap_file(struct string_list *map, const char *filename,
unsigned flags)
{
char buffer[1024];
@ -186,7 +183,7 @@ static void read_mailmap_string(struct string_list *map, char *buf)
}
}
static int read_mailmap_blob(struct string_list *map, const char *name)
int read_mailmap_blob(struct string_list *map, const char *name)
{
struct object_id oid;
char *buf;

7
mailmap.h
View file

@ -6,6 +6,13 @@ struct string_list;
extern char *git_mailmap_file;
extern char *git_mailmap_blob;
/* Flags for read_mailmap_file() */
#define MAILMAP_NOFOLLOW (1<<0)
int read_mailmap_file(struct string_list *map, const char *filename,
unsigned flags);
int read_mailmap_blob(struct string_list *map, const char *name);
int read_mailmap(struct string_list *map);
void clear_mailmap(struct string_list *map);