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log: grep author/committer using mailmap

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Currently you can use mailmap to display log authors and committers
but you can't use the mailmap to find commits with mapped values.

This commit allows you to run:

    git log --use-mailmap --author mapped_name_or_email
    git log --use-mailmap --committer mapped_name_or_email

Of course it only works if the --use-mailmap option is used.

The new name and email are copied only when necessary.

Signed-off-by: Antoine Pelisse <apelisse@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Antoine Pelisse
2013-01-05 22:26:45 +01:00
committed by Junio C Hamano
parent d20743433e
commit d72fbe8111
2 changed files with 72 additions and 0 deletions
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54
revision.c
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@ -13,6 +13,7 @@
#include "decorate.h"
#include "log-tree.h"
#include "string-list.h"
#include "mailmap.h"
volatile show_early_output_fn_t show_early_output;
@ -2219,6 +2220,51 @@ static int rewrite_parents(struct rev_info *revs, struct commit *commit)
return 0;
}
static int commit_rewrite_person(struct strbuf *buf, const char *what, struct string_list *mailmap)
{
char *person, *endp;
size_t len, namelen, maillen;
const char *name;
const char *mail;
struct ident_split ident;
person = strstr(buf->buf, what);
if (!person)
return 0;
person += strlen(what);
endp = strchr(person, '\n');
if (!endp)
return 0;
len = endp - person;
if (split_ident_line(&ident, person, len))
return 0;
mail = ident.mail_begin;
maillen = ident.mail_end - ident.mail_begin;
name = ident.name_begin;
namelen = ident.name_end - ident.name_begin;
if (map_user(mailmap, &mail, &maillen, &name, &namelen)) {
struct strbuf namemail = STRBUF_INIT;
strbuf_addf(&namemail, "%.*s <%.*s>",
(int)namelen, name, (int)maillen, mail);
strbuf_splice(buf, ident.name_begin - buf->buf,
ident.mail_end - ident.name_begin + 1,
namemail.buf, namemail.len);
strbuf_release(&namemail);
return 1;
}
return 0;
}
static int commit_match(struct commit *commit, struct rev_info *opt)
{
int retval;
@ -2237,6 +2283,14 @@ static int commit_match(struct commit *commit, struct rev_info *opt)
if (buf.len)
strbuf_addstr(&buf, commit->buffer);
if (opt->mailmap) {
if (!buf.len)
strbuf_addstr(&buf, commit->buffer);
commit_rewrite_person(&buf, "\nauthor ", opt->mailmap);
commit_rewrite_person(&buf, "\ncommitter ", opt->mailmap);
}
/* Append "fake" message parts as needed */
if (opt->show_notes) {
if (!buf.len)