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git-send-email: refactor duplicate $? checks into a function

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Refactor the duplicate checking of $? into a function. There's an
outstanding series[1] wanting to add a third use of system() in this
file, let's not copy this boilerplate anymore when that happens.

1. http://lore.kernel.org/git/87y2esg22j.fsf@evledraar.gmail.com

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason 2021-04-06 16:00:36 +02:00 committed by Junio C Hamano
parent e585210e1b
commit d21616c039
1 changed files with 28 additions and 17 deletions
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45
git-send-email.perl
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@ -212,22 +212,31 @@ my $dump_aliases = 0;
my $multiedit;
my $editor;
sub system_or_msg {
my ($args, $msg) = @_;
system(@$args);
my $signalled = $? & 127;
my $exit_code = $? >> 8;
return unless $signalled or $exit_code;
return sprintf(__("failed to run command %s, died with code %d"),
"@$args", $exit_code);
}
sub system_or_die {
my $msg = system_or_msg(@_);
die $msg if $msg;
}
sub do_edit {
if (!defined($editor)) {
$editor = Git::command_oneline('var', 'GIT_EDITOR');
}
my $die_msg = __("the editor exited uncleanly, aborting everything");
if (defined($multiedit) && !$multiedit) {
for (@_) {
system('sh', '-c', $editor.' "$@"', $editor, $_);
if (($? & 127) || ($? >> 8)) {
die(__("the editor exited uncleanly, aborting everything"));
}
}
system_or_die(['sh', '-c', $editor.' "$@"', $editor, $_], $die_msg) for @_;
} else {
system('sh', '-c', $editor.' "$@"', $editor, @_);
if (($? & 127) || ($? >> 8)) {
die(__("the editor exited uncleanly, aborting everything"));
}
system_or_die(['sh', '-c', $editor.' "$@"', $editor, @_], $die_msg);
}
}
@ -698,9 +707,7 @@ if (@rev_list_opts) {
if ($validate) {
foreach my $f (@files) {
unless (-p $f) {
my $error = validate_patch($f, $target_xfer_encoding);
$error and die sprintf(__("fatal: %s: %s\nwarning: no patches were sent\n"),
$f, $error);
validate_patch($f, $target_xfer_encoding);
}
}
}
@ -1952,11 +1959,13 @@ sub validate_patch {
chdir($repo->wc_path() or $repo->repo_path())
or die("chdir: $!");
local $ENV{"GIT_DIR"} = $repo->repo_path();
$hook_error = "rejected by sendemail-validate hook"
if system($validate_hook, $target);
$hook_error = system_or_msg([$validate_hook, $target]);
chdir($cwd_save) or die("chdir: $!");
}
return $hook_error if $hook_error;
if ($hook_error) {
die sprintf(__("fatal: %s: rejected by sendemail-validate hook\n" .
"warning: no patches were sent\n"), $fn);
}
}
# Any long lines will be automatically fixed if we use a suitable transfer
@ -1966,7 +1975,9 @@ sub validate_patch {
or die sprintf(__("unable to open %s: %s\n"), $fn, $!);
while (my $line = <$fh>) {
if (length($line) > 998) {
return sprintf(__("%s: patch contains a line longer than 998 characters"), $.);
die sprintf(__("fatal: %s: %d: patch contains a line longer than 998 characters\n" .
"warning: no patches were sent\n"),
$fn, $.);
}
}
}