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-rw-r--r--.gitignore1
-rw-r--r--Documentation/git-check-mailmap.txt47
-rw-r--r--Makefile1
-rw-r--r--builtin.h1
-rw-r--r--builtin/check-mailmap.c66
-rw-r--r--command-list.txt1
-rw-r--r--contrib/completion/git-completion.bash1
-rw-r--r--git.c1
8 files changed, 119 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore
index c0e00eb37b..62300976ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,6 +23,7 @@
/git-cat-file
/git-check-attr
/git-check-ignore
+/git-check-mailmap
/git-check-ref-format
/git-checkout
/git-checkout-index
diff --git a/Documentation/git-check-mailmap.txt b/Documentation/git-check-mailmap.txt
new file mode 100644
index 0000000000..39028ee1a3
--- /dev/null
+++ b/Documentation/git-check-mailmap.txt
@@ -0,0 +1,47 @@
+git-check-mailmap(1)
+====================
+
+NAME
+----
+git-check-mailmap - Show canonical names and email addresses of contacts
+
+
+SYNOPSIS
+--------
+[verse]
+'git check-mailmap' [options] <contact>...
+
+
+DESCRIPTION
+-----------
+
+For each ``Name $$<user@host>$$'' or ``$$<user@host>$$'' from the command-line
+or standard input (when using `--stdin`), look up the person's canonical name
+and email address (see "Mapping Authors" below). If found, print them;
+otherwise print the input as-is.
+
+
+OPTIONS
+-------
+--stdin::
+ Read contacts, one per line, from the standard input after exhausting
+ contacts provided on the command-line.
+
+
+OUTPUT
+------
+
+For each contact, a single line is output, terminated by a newline. If the
+name is provided or known to the 'mailmap', ``Name $$<user@host>$$'' is
+printed; otherwise only ``$$<user@host>$$'' is printed.
+
+
+MAPPING AUTHORS
+---------------
+
+include::mailmap.txt[]
+
+
+GIT
+---
+Part of the linkgit:git[1] suite
diff --git a/Makefile b/Makefile
index e1583761df..18f1c448b9 100644
--- a/Makefile
+++ b/Makefile
@@ -909,6 +909,7 @@ BUILTIN_OBJS += builtin/bundle.o
BUILTIN_OBJS += builtin/cat-file.o
BUILTIN_OBJS += builtin/check-attr.o
BUILTIN_OBJS += builtin/check-ignore.o
+BUILTIN_OBJS += builtin/check-mailmap.o
BUILTIN_OBJS += builtin/check-ref-format.o
BUILTIN_OBJS += builtin/checkout-index.o
BUILTIN_OBJS += builtin/checkout.o
diff --git a/builtin.h b/builtin.h
index 1ed8edb0cb..8afa2def49 100644
--- a/builtin.h
+++ b/builtin.h
@@ -40,6 +40,7 @@ extern int cmd_checkout(int argc, const char **argv, const char *prefix);
extern int cmd_checkout_index(int argc, const char **argv, const char *prefix);
extern int cmd_check_attr(int argc, const char **argv, const char *prefix);
extern int cmd_check_ignore(int argc, const char **argv, const char *prefix);
+extern int cmd_check_mailmap(int argc, const char **argv, const char *prefix);
extern int cmd_check_ref_format(int argc, const char **argv, const char *prefix);
extern int cmd_cherry(int argc, const char **argv, const char *prefix);
extern int cmd_cherry_pick(int argc, const char **argv, const char *prefix);
diff --git a/builtin/check-mailmap.c b/builtin/check-mailmap.c
new file mode 100644
index 0000000000..8f4d809bd8
--- /dev/null
+++ b/builtin/check-mailmap.c
@@ -0,0 +1,66 @@
+#include "builtin.h"
+#include "mailmap.h"
+#include "parse-options.h"
+#include "string-list.h"
+
+static int use_stdin;
+static const char * const check_mailmap_usage[] = {
+N_("git check-mailmap [options] <contact>..."),
+NULL
+};
+
+static const struct option check_mailmap_options[] = {
+ OPT_BOOL(0, "stdin", &use_stdin, N_("also read contacts from stdin")),
+ OPT_END()
+};
+
+static void check_mailmap(struct string_list *mailmap, const char *contact)
+{
+ const char *name, *mail;
+ size_t namelen, maillen;
+ struct ident_split ident;
+
+ if (split_ident_line(&ident, contact, strlen(contact)))
+ die(_("unable to parse contact: %s"), contact);
+
+ name = ident.name_begin;
+ namelen = ident.name_end - ident.name_begin;
+ mail = ident.mail_begin;
+ maillen = ident.mail_end - ident.mail_begin;
+
+ map_user(mailmap, &mail, &maillen, &name, &namelen);
+
+ if (namelen)
+ printf("%.*s ", (int)namelen, name);
+ printf("<%.*s>\n", (int)maillen, mail);
+}
+
+int cmd_check_mailmap(int argc, const char **argv, const char *prefix)
+{
+ int i;
+ struct string_list mailmap = STRING_LIST_INIT_NODUP;
+
+ git_config(git_default_config, NULL);
+ argc = parse_options(argc, argv, prefix, check_mailmap_options,
+ check_mailmap_usage, 0);
+ if (argc == 0 && !use_stdin)
+ die(_("no contacts specified"));
+
+ read_mailmap(&mailmap, NULL);
+
+ for (i = 0; i < argc; ++i)
+ check_mailmap(&mailmap, argv[i]);
+ maybe_flush_or_die(stdout, "stdout");
+
+ if (use_stdin) {
+ struct strbuf buf = STRBUF_INIT;
+ while (strbuf_getline(&buf, stdin, '\n') != EOF) {
+ check_mailmap(&mailmap, buf.buf);
+ maybe_flush_or_die(stdout, "stdout");
+ }
+ strbuf_release(&buf);
+ }
+
+ clear_mailmap(&mailmap);
+ return 0;
+}
diff --git a/command-list.txt b/command-list.txt
index bf83303c48..08b04e2c66 100644
--- a/command-list.txt
+++ b/command-list.txt
@@ -13,6 +13,7 @@ git-bundle mainporcelain
git-cat-file plumbinginterrogators
git-check-attr purehelpers
git-check-ignore purehelpers
+git-check-mailmap purehelpers
git-checkout mainporcelain common
git-checkout-index plumbingmanipulators
git-check-ref-format purehelpers
diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 6c3bafeea5..28f50d14b0 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -650,6 +650,7 @@ __git_list_porcelain_commands ()
cat-file) : plumbing;;
check-attr) : plumbing;;
check-ignore) : plumbing;;
+ check-mailmap) : plumbing;;
check-ref-format) : plumbing;;
checkout-index) : plumbing;;
commit-tree) : plumbing;;
diff --git a/git.c b/git.c
index 4359086fd6..02c3035d02 100644
--- a/git.c
+++ b/git.c
@@ -324,6 +324,7 @@ static void handle_internal_command(int argc, const char **argv)
{ "cat-file", cmd_cat_file, RUN_SETUP },
{ "check-attr", cmd_check_attr, RUN_SETUP },
{ "check-ignore", cmd_check_ignore, RUN_SETUP | NEED_WORK_TREE },
+ { "check-mailmap", cmd_check_mailmap, RUN_SETUP },
{ "check-ref-format", cmd_check_ref_format },
{ "checkout", cmd_checkout, RUN_SETUP | NEED_WORK_TREE },
{ "checkout-index", cmd_checkout_index,