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scripts/get_maintainer.pl: add ability to read from STDIN

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Doesn't need or accept '-' as a trailing option to read stdin.  Doesn't
print usage() after bad options.  Adds --usage as command line equivalent
of --help

Suggested-by: Borislav Petkov <petkovbb@googlemail.com>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2010-03-05 13:43:04 -08:00 committed by Linus Torvalds
parent f11e9a1534
commit 64f77f312b
1 changed files with 15 additions and 11 deletions
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26
scripts/get_maintainer.pl
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@ -126,7 +126,7 @@ if (!GetOptions(
'fe|file-emails!' => \$file_emails, 'fe|file-emails!' => \$file_emails,
'f|file' => \$from_filename, 'f|file' => \$from_filename,
'v|version' => \$version, 'v|version' => \$version,
'h|help' => \$help, 'h|help|usage' => \$help,
)) { )) {
die "$P: invalid argument - use --help if necessary\n"; die "$P: invalid argument - use --help if necessary\n";
} }
@ -141,9 +141,9 @@ if ($version != 0) {
exit 0; exit 0;
} }
if ($#ARGV < 0) { if (-t STDIN && !@ARGV) {
usage(); # We're talking to a terminal, but have no command line arguments.
die "$P: argument missing: patchfile or -f file please\n"; die "$P: missing patchfile or -f file - use --help if necessary\n";
} }
if ($output_separator ne ", ") { if ($output_separator ne ", ") {
@ -165,7 +165,6 @@ if ($sections) {
} else { } else {
my $selections = $email + $scm + $status + $subsystem + $web; my $selections = $email + $scm + $status + $subsystem + $web;
if ($selections == 0) { if ($selections == 0) {
usage();
die "$P: Missing required option: email, scm, status, subsystem or web\n"; die "$P: Missing required option: email, scm, status, subsystem or web\n";
} }
} }
@ -173,7 +172,6 @@ if ($sections) {
if ($email && if ($email &&
($email_maintainer + $email_list + $email_subscriber_list + ($email_maintainer + $email_list + $email_subscriber_list +
$email_git + $email_git_penguin_chiefs + $email_git_blame) == 0) { $email_git + $email_git_penguin_chiefs + $email_git_blame) == 0) {
usage();
die "$P: Please select at least 1 email option\n"; die "$P: Please select at least 1 email option\n";
} }
@ -248,12 +246,18 @@ my @range = ();
my @keyword_tvi = (); my @keyword_tvi = ();
my @file_emails = (); my @file_emails = ();
if (!@ARGV) {
push(@ARGV, "&STDIN");
}
foreach my $file (@ARGV) { foreach my $file (@ARGV) {
##if $file is a directory and it lacks a trailing slash, add one if ($file ne "&STDIN") {
if ((-d $file)) { ##if $file is a directory and it lacks a trailing slash, add one
$file =~ s@([^/])$@$1/@; if ((-d $file)) {
} elsif (!(-f $file)) { $file =~ s@([^/])$@$1/@;
die "$P: file '${file}' not found\n"; } elsif (!(-f $file)) {
die "$P: file '${file}' not found\n";
}
} }
if ($from_filename) { if ($from_filename) {
push(@files, $file); push(@files, $file);