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Subject[PATCH RFC v3] scripts/get_maintainer.pl: add interactive mode
Date
This is a first version of an interactive mode for
scripts/get_maintainer.pl .

It allows the user to interact with the script. Each cc candidate can be
selected and deselected and a shortlog of authored commits can be
displayed for each candidate.

The menu is displayed via STDERR, the end result is outputted to STDOUT.
This unusual mechanism allows using get_maintainer.pl in interactive mode via
git send-email --cc-cmd.

---
v2: small bugfix
v3:
o added multifile support
o fixed chief_penguin_handling for interactive mode
o added supporter: roles to be selected by default


TODO:
Btw, --rolestats is somewhat broken in the current script, it assembles the statistics
sequentially file by file, meaning that candidates that have only commits on the first
file get a higher percentage as candidates also active on a later file...


scripts/get_maintainer.pl | 146 +++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 141 insertions(+), 5 deletions(-)
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index b228198..6deabc6 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -32,6 +32,7 @@ my $email_git_max_maintainers = 5;
my $email_git_min_percent = 5;
my $email_git_since = "1-year-ago";
my $email_hg_since = "-365";
+my $interactive = 0;
my $email_remove_duplicates = 1;
my $output_multiline = 1;
my $output_separator = ", ";
@@ -51,6 +52,8 @@ my $help = 0;

my $exit = 0;

+my %shortlog_buffer;
+
my @penguin_chief = ();
push(@penguin_chief, "Linus Torvalds:torvalds\@linux-foundation.org");
#Andrew wants in on most everything - 2009/01/14
@@ -91,7 +94,8 @@ my %VCS_cmds_git = (
"blame_range_cmd" => "git blame -l -L \$diff_start,+\$diff_length \$file",
"blame_file_cmd" => "git blame -l \$file",
"commit_pattern" => "^commit [0-9a-f]{40,40}",
- "blame_commit_pattern" => "^([0-9a-f]+) "
+ "blame_commit_pattern" => "^([0-9a-f]+) ",
+ "shortlog_cmd" => "git log --no-color --oneline --since=\$email_git_since --author=\"\$email\" -- \$file"
);

my %VCS_cmds_hg = (
@@ -104,7 +108,8 @@ my %VCS_cmds_hg = (
"blame_range_cmd" => "", # not supported
"blame_file_cmd" => "hg blame -c \$file",
"commit_pattern" => "^commit [0-9a-f]{40,40}",
- "blame_commit_pattern" => "^([0-9a-f]+):"
+ "blame_commit_pattern" => "^([0-9a-f]+):",
+ "shortlog_cmd" => "ht log --date=\$email_hg_since"
);

if (-f "${lk_path}.get_maintainer.conf") {
@@ -142,6 +147,7 @@ if (!GetOptions(
'git-min-percent=i' => \$email_git_min_percent,
'git-since=s' => \$email_git_since,
'hg-since=s' => \$email_hg_since,
+ 'i|interactive!' => \$interactive,
'remove-duplicates!' => \$email_remove_duplicates,
'm!' => \$email_maintainer,
'n!' => \$email_usename,
@@ -219,6 +225,8 @@ if ($email_git_all_signature_types) {
$signaturePattern = "(.+?)[Bb][Yy]:";
}

+
+
## Read MAINTAINERS for type/value pairs

my @typevalue = ();
@@ -440,10 +448,13 @@ foreach my $file (@files) {
if ($email && $email_git) {
vcs_file_signoffs($file);
}
-
if ($email && $email_git_blame) {
vcs_file_blame($file);
}
+ if ($email && $interactive){
+ vcs_file_shortlogs($file);
+
+ }
}

if ($keywords) {
@@ -476,9 +487,13 @@ if ($email) {
}
}

+
if ($email || $email_list) {
my @to = ();
if ($email) {
+ if ($interactive) {
+ @email_to = @{vcs_interactive_menu(\@email_to)};
+ }
@to = (@to, @email_to);
}
if ($email_list) {
@@ -491,7 +506,6 @@ if ($scm) {
@scm = uniq(@scm);
output(@scm);
}
-
if ($status) {
@status = uniq(@status);
output(@status);
@@ -545,6 +559,7 @@ MAINTAINER field selection options:
--git-blame => use git blame to find modified commits for patch or file
--git-since => git history to use (default: $email_git_since)
--hg-since => hg history to use (default: $email_hg_since)
+ --interactive => display a menu (mostly useful if used with the --git option)
--m => include maintainer(s) if any
--n => include name 'Full Name <addr\@domain.tld>'
--l => include list(s) if any
@@ -1104,6 +1119,127 @@ sub vcs_exists {
return 0;
}

+sub vcs_interactive_menu {
+ my $list_ref = shift;
+ my @list = @$list_ref;
+
+ return if (!vcs_exists());
+
+ my %selected;
+ my %shortlog;
+ my $input;
+ my $count = 0;
+
+ #select maintainers by default
+ foreach my $entry (@list){
+ my $role = $entry->[1];
+ $selected{$count} = ($role =~ /maintainer:|supporter:/);
+ $count++;
+ }
+
+ #menu loop
+ do {
+ my $count = 0;
+ foreach my $entry (@list){
+ my $email = $entry->[0];
+ my $role = $entry->[1];
+ if ($selected{$count}){
+ print STDERR "* ";
+ } else {
+ print STDERR " ";
+ }
+ print STDERR "$count: $email,\t\t $role";
+ print STDERR "\n";
+ if ($shortlog{$count}){
+ my $entries_ref = vcs_get_shortlog($email);
+ foreach my $entry_ref (@{$entries_ref}){
+ my $filename = @{$entry_ref}[0];
+ my @shortlog = @{@{$entry_ref}[1]};
+ print STDERR "\tshortlog for $filename (authored commits: " . @shortlog . ").\n";
+ foreach my $commit (@shortlog){
+ print STDERR "\t $commit\n";
+ }
+ print STDERR "\n";
+ }
+ }
+ $count++;
+ }
+ print STDERR "\n";
+ print STDERR "Choose whom to cc by entering a commaseperated list of numbers and hitting enter.\n";
+ print STDERR "To show a short list of commits, precede the number by a '?',\n";
+ print STDERR "A blank line indicates that you are satisfied with your choice.\n";
+ $input = <STDIN>;
+ chomp($input);
+
+ my @wish = split(/[, ]+/,$input);
+ foreach my $nr (@wish){
+ my $logtoggle = 0;
+ if ($nr =~ /\?/){
+ $nr =~ s/\?//;
+ $logtoggle = 1;
+ }
+
+ #skip out of bounds numbers
+ next unless ($nr <= $count && $nr >= 0);
+
+ if ($logtoggle){
+ $shortlog{$nr} = !$shortlog{$nr};
+ } else {
+ $selected{$nr} = !$selected{$nr};
+
+ #switch shortlog on if an entry get's selected
+ if ($selected{$nr}){
+ $shortlog{$nr}=1;
+ }
+ }
+ };
+ } while(length($input) > 0);
+
+ #drop not selected entries
+ $count = 0;
+ my @new_emailto;
+ foreach my $entry (@list){
+ if ($selected{$count}){
+ push(@new_emailto,$list[$count]);
+ print STDERR "$count: ";
+ print STDERR $email_to[$count]->[0];
+ print STDERR ",\t\t ";
+ print STDERR $email_to[$count]->[1];
+ print STDERR "\n";
+ }
+ $count++;
+ }
+ return \@new_emailto;
+}
+
+sub vcs_get_shortlog {
+ my $arg = shift;
+ my ($name, $address) = parse_email($arg);
+ return $shortlog_buffer{$address};
+}
+
+sub vcs_file_shortlogs {
+ my ($file) = @_;
+ print STDERR "shortlog processing $file:";
+ foreach my $entry (@email_to){
+ my ($name, $address) = parse_email($entry->[0]);
+ print STDERR ".";
+ my $commits_ref = vcs_email_shortlog($address, $file);
+ push(@{$shortlog_buffer{$address}}, [ $file, $commits_ref ]);
+ }
+ print STDERR "\n";
+}
+
+sub vcs_email_shortlog {
+ my $email = shift;
+ my ($file) = @_;
+
+ my $cmd = $VCS_cmds{"shortlog_cmd"};
+ $cmd =~ s/(\$\w+)/$1/eeg; #substitute variables
+ my @lines = &{$VCS_cmds{"execute_cmd"}}($cmd);
+ return \@lines;
+}
+
sub vcs_assign {
my ($role, $divisor, @lines) = @_;

@@ -1179,7 +1315,7 @@ sub vcs_file_blame {
my @commit_signers = ();

my $cmd = $VCS_cmds{"find_commit_signers_cmd"};
- $cmd =~ s/(\$\w+)/$1/eeg; #interpolate $cmd
+ $cmd =~ s/(\$\w+)/$1/eeg; #substitute variables in $cmd

($commit_count, @commit_signers) = vcs_find_signers($cmd);
push(@signers, @commit_signers);
--
1.7.2


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