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send-email: teach git send-email option to translate aliases

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git send-email has support for converting shorthand alias names to
canonical email addresses via the alias file. It supports a wide variety
of alias file formats based on popular email program file formats.

Other programs, such as b4, would like the ability to convert aliases in
the same way as git send-email without needing to re-implement the logic
for understanding the many file formats.

Teach git send-email a new option, --translate-aliases, which will
enable this functionality. Similar to --dump-aliases, this option works
like a new mode of operation for git send-email.

When run with --translate-aliases, git send-email reads from standard
input and converts any provided alias into its canonical name and email
according to the alias file. Each expanded name and address is printed
to standard output, one per line.

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
2024-08-13 17:05:11 -07:00
committed by Junio C Hamano
parent bbc04b0094
commit c038a6f1d7
3 changed files with 131 additions and 1 deletions
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21
git-send-email.perl
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@ -31,6 +31,7 @@ sub usage {
git send-email [<options>] <file|directory>
git send-email [<options>] <format-patch options>
git send-email --dump-aliases
git send-email --translate-aliases
Composing:
--from <str> * Email From:
@ -99,6 +100,10 @@ git send-email --dump-aliases
Information:
--dump-aliases * Dump configured aliases and exit.
--translate-aliases * Translate aliases read from standard
input according to the configured email
alias file(s), outputting the result to
standard output.
EOT
exit(1);
@ -212,6 +217,7 @@ my $format_patch;
my $compose_filename;
my $force = 0;
my $dump_aliases = 0;
my $translate_aliases = 0;
# Variables to prevent short format-patch options from being captured
# as abbreviated send-email options
@ -476,11 +482,14 @@ my $git_completion_helper;
my %dump_aliases_options = (
"h" => \$help,
"dump-aliases" => \$dump_aliases,
"translate-aliases" => \$translate_aliases,
);
$rc = GetOptions(%dump_aliases_options);
usage() unless $rc;
die __("--dump-aliases incompatible with other options\n")
if !$help and $dump_aliases and @ARGV;
if !$help and ($dump_aliases or $translate_aliases) and @ARGV;
die __("--dump-aliases and --translate-aliases are mutually exclusive\n")
if !$help and $dump_aliases and $translate_aliases;
my %options = (
"sender|from=s" => \$sender,
"in-reply-to=s" => \$initial_in_reply_to,
@ -724,6 +733,16 @@ if ($dump_aliases) {
exit(0);
}
if ($translate_aliases) {
while (<STDIN>) {
my @addr_list = parse_address_line($_);
@addr_list = expand_aliases(@addr_list);
@addr_list = sanitize_address_list(@addr_list);
print "$_\n" for @addr_list;
}
exit(0);
}
# is_format_patch_arg($f) returns 0 if $f names a patch, or 1 if
# $f is a revision list specification to be passed to format-patch.
sub is_format_patch_arg {