This refactor is to pave the way for the addition of the new '--header-cmd' option to the send-email command. Signed-off-by: Maxim Cournoyer <maxim.cournoyer@xxxxxxxxx> --- git-send-email.perl | 25 +++++++++++++++++++------ 1 file changed, 19 insertions(+), 6 deletions(-) diff --git a/git-send-email.perl b/git-send-email.perl index fd8cd0d46f..b8d77ad214 100755 --- a/git-send-email.perl +++ b/git-send-email.perl @@ -2,6 +2,7 @@ # # Copyright 2002,2005 Greg Kroah-Hartman <greg@xxxxxxxxx> # Copyright 2005 Ryan Anderson <ryan@xxxxxxxxxxxxxx> +# Copyright 2023 Maxim Cournoyer <maxim.cournoyer@xxxxxxxxx> # # GPL v2 (See COPYING) # @@ -2006,15 +2007,29 @@ sub process_file { } } +# Execute a command and return its output lines as an array. +sub execute_cmd { + my ($prefix, $cmd, $file) = @_; + my @lines = (); + open my $fh, "-|", "$cmd \Q$file\E" + or die sprintf(__("(%s) Could not execute '%s'"), $prefix, $cmd); + while (my $line = <$fh>) { + last if $line =~ /^$/; + push @lines, $line; + } + close $fh + or die sprintf(__("(%s) failed to close pipe to '%s'"), $prefix, $cmd); + return @lines; +} + # Execute a command (e.g. $to_cmd) to get a list of email addresses # and return a results array sub recipients_cmd { my ($prefix, $what, $cmd, $file) = @_; - + my @lines = (); my @addresses = (); - open my $fh, "-|", "$cmd \Q$file\E" - or die sprintf(__("(%s) Could not execute '%s'"), $prefix, $cmd); - while (my $address = <$fh>) { + @lines = execute_cmd($prefix, $cmd, $file); + for my $address (@lines) { $address =~ s/^\s*//g; $address =~ s/\s*$//g; $address = sanitize_address($address); @@ -2023,8 +2038,6 @@ sub recipients_cmd { printf(__("(%s) Adding %s: %s from: '%s'\n"), $prefix, $what, $address, $cmd) unless $quiet; } - close $fh - or die sprintf(__("(%s) failed to close pipe to '%s'"), $prefix, $cmd); return @addresses; } -- 2.39.2