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https://git.notmuchmail.org/git/notmuch
synced 2024-12-22 09:24:54 +01:00
Add duplicate message removal for notmuch-mutt.
Add a --remove-dups flag which removes duplicate files from search and thread results. Uses fdupes if installed. Otherwise it runs a size and Digest::SHA scan on each file to detect duplicates. Signed-off-by: Stefano Zacchiroli <zack@upsilon.cc>
This commit is contained in:
Kevin McCarthy
David Bremner
parent
3fa00020ea
commit
fffb92da8e
2 changed files with 76 additions and 17 deletions
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@ -18,6 +18,8 @@ use Mail::Box::Maildir;
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use Pod::Usage;
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use String::ShellQuote;
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use Term::ReadLine;
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use Digest::SHA;
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use File::Which;
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my $xdg_cache_dir = "$ENV{HOME}/.cache";
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@ -34,16 +36,65 @@ sub empty_maildir($) {
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$folder->close();
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}
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# search($maildir, $query)
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# Match files by size and SHA-256; then delete duplicates
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sub builtin_remove_dups($) {
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my ($maildir) = @_;
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my (%size_to_files, %sha_to_files);
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# Group files by matching sizes
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foreach my $file (glob("$maildir/cur/*")) {
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my $size = -s $file;
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push(@{$size_to_files{$size}}, $file) if $size;
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}
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foreach my $same_size_files (values %size_to_files) {
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# Don't run sha unless there is another file of the same size
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next if scalar(@$same_size_files) < 2;
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%sha_to_files = ();
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# Group files with matching sizes by SHA-256
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foreach my $file (@$same_size_files) {
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open(my $fh, '<', $file) or next;
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binmode($fh);
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my $sha256hash = Digest::SHA->new(256)->addfile($fh)->hexdigest;
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close($fh);
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push(@{$sha_to_files{$sha256hash}}, $file);
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}
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# Remove duplicates
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foreach my $same_sha_files (values %sha_to_files) {
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next if scalar(@$same_sha_files) < 2;
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unlink(@{$same_sha_files}[1..$#$same_sha_files]);
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}
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}
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}
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# Use either fdupes or the built-in scanner to detect and remove duplicate
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# search results in the maildir
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sub remove_duplicates($) {
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my ($maildir) = @_;
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my $fdupes = which("fdupes");
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if ($fdupes) {
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system("$fdupes --hardlinks --symlinks --delete --noprompt"
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. " --quiet $maildir/cur/ > /dev/null");
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} else {
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builtin_remove_dups($maildir);
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}
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}
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# search($maildir, $remove_dups, $query)
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# search mails according to $query with notmuch; store results in $maildir
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sub search($$) {
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my ($maildir, $query) = @_;
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sub search($$$) {
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my ($maildir, $remove_dups, $query) = @_;
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$query = shell_quote($query);
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empty_maildir($maildir);
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system("notmuch search --output=files $query"
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. " | sed -e 's: :\\\\ :g'"
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. " | xargs --no-run-if-empty ln -s -t $maildir/cur/");
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remove_duplicates($maildir) if ($remove_dups);
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}
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sub prompt($$) {
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@ -74,28 +125,28 @@ sub get_message_id() {
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return $1;
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}
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sub search_action($$@) {
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my ($interactive, $results_dir, @params) = @_;
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sub search_action($$$@) {
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my ($interactive, $results_dir, $remove_dups, @params) = @_;
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if (! $interactive) {
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search($results_dir, join(' ', @params));
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search($results_dir, $remove_dups, join(' ', @params));
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} else {
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my $query = prompt("search ('?' for man): ", join(' ', @params));
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if ($query ne "") {
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search($results_dir,$query);
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search($results_dir, $remove_dups, $query);
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}
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}
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}
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sub thread_action(@) {
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my ($results_dir, @params) = @_;
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sub thread_action($$@) {
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my ($results_dir, $remove_dups, @params) = @_;
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my $mid = get_message_id();
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my $search_cmd = 'notmuch search --output=threads ' . shell_quote("id:$mid");
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my $tid = `$search_cmd`; # get thread id
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chomp($tid);
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search($results_dir, $tid);
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search($results_dir, $remove_dups, $tid);
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}
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sub tag_action(@) {
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@ -118,11 +169,13 @@ sub main() {
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my $results_dir = "$cache_dir/results";
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my $interactive = 0;
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my $help_needed = 0;
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my $remove_dups = 0;
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my $getopt = GetOptions(
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"h|help" => \$help_needed,
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"o|output-dir=s" => \$results_dir,
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"p|prompt" => \$interactive);
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"p|prompt" => \$interactive,
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"r|remove-dups" => \$remove_dups);
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if (! $getopt || $#ARGV < 0) { die_usage() };
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my ($action, @params) = ($ARGV[0], @ARGV[1..$#ARGV]);
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@ -136,9 +189,9 @@ sub main() {
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print STDERR "Error: no search term provided\n\n";
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die_usage();
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} elsif ($action eq "search") {
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search_action($interactive, $results_dir, @params);
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search_action($interactive, $results_dir, $remove_dups, @params);
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} elsif ($action eq "thread") {
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thread_action($results_dir, @params);
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thread_action($results_dir, $remove_dups, @params);
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} elsif ($action eq "tag") {
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tag_action(@params);
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} else {
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@ -189,6 +242,12 @@ be overwritten. (Default: F<~/.cache/notmuch/mutt/results/>)
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Instead of using command line search terms, prompt the user for them (only for
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"search").
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=item -r
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=item --remove-dups
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Remove duplicates from search results.
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=item -h
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=item --help
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@ -205,10 +264,10 @@ the following in your Mutt configuration (usually one of: F<~/.muttrc>,
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F</etc/Muttrc>, or a configuration snippet under F</etc/Muttrc.d/>):
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macro index <F8> \
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"<enter-command>unset wait_key<enter><shell-escape>notmuch-mutt --prompt search<enter><change-folder-readonly>~/.cache/notmuch/mutt/results<enter>" \
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"<enter-command>unset wait_key<enter><shell-escape>notmuch-mutt -r --prompt search<enter><change-folder-readonly>~/.cache/notmuch/mutt/results<enter>" \
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"notmuch: search mail"
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macro index <F9> \
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"<enter-command>unset wait_key<enter><pipe-message>notmuch-mutt thread<enter><change-folder-readonly>~/.cache/notmuch/mutt/results<enter><enter-command>set wait_key<enter>" \
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"<enter-command>unset wait_key<enter><pipe-message>notmuch-mutt -r thread<enter><change-folder-readonly>~/.cache/notmuch/mutt/results<enter><enter-command>set wait_key<enter>" \
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"notmuch: reconstruct thread"
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macro index <F6> \
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"<enter-command>unset wait_key<enter><pipe-message>notmuch-mutt tag -- -inbox<enter>" \
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@ -1,8 +1,8 @@
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macro index <F8> \
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"<enter-command>unset wait_key<enter><shell-escape>notmuch-mutt --prompt search<enter><change-folder-readonly>`echo ${XDG_CACHE_HOME:-$HOME/.cache}/notmuch/mutt/results`<enter>" \
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"<enter-command>unset wait_key<enter><shell-escape>notmuch-mutt -r --prompt search<enter><change-folder-readonly>`echo ${XDG_CACHE_HOME:-$HOME/.cache}/notmuch/mutt/results`<enter>" \
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"notmuch: search mail"
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macro index <F9> \
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"<enter-command>unset wait_key<enter><pipe-message>notmuch-mutt thread<enter><change-folder-readonly>`echo ${XDG_CACHE_HOME:-$HOME/.cache}/notmuch/mutt/results`<enter><enter-command>set wait_key<enter>" \
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"<enter-command>unset wait_key<enter><pipe-message>notmuch-mutt -r thread<enter><change-folder-readonly>`echo ${XDG_CACHE_HOME:-$HOME/.cache}/notmuch/mutt/results`<enter><enter-command>set wait_key<enter>" \
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"notmuch: reconstruct thread"
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macro index <F6> \
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"<enter-command>unset wait_key<enter><pipe-message>notmuch-mutt tag -- -inbox<enter>" \
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