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From: Eric Wong <e@80x24.org>
To: meta@public-inbox.org
Subject: [PATCH 12/12] lei forget-external: bash completion support
Date: Thu, 21 Jan 2021 19:46:24 +0000	[thread overview]
Message-ID: <20210121194624.32002-13-e@80x24.org> (raw)
In-Reply-To: <20210121194624.32002-1-e@80x24.org>

The tricky bit was getting around word splitting bash
does on URLs.  This may work with other shells, too.
---
 lib/PublicInbox/LEI.pm         |  4 ++++
 lib/PublicInbox/LeiExternal.pm | 17 +++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/lib/PublicInbox/LEI.pm b/lib/PublicInbox/LEI.pm
index 9c3d7279..ef3f90fc 100644
--- a/lib/PublicInbox/LEI.pm
+++ b/lib/PublicInbox/LEI.pm
@@ -655,6 +655,10 @@ sub lei__complete {
 	} elsif ($cmd eq 'config' && !@argv && !$CONFIG_KEYS{$cur}) {
 		puts $self, grep(/$re/, keys %CONFIG_KEYS);
 	}
+	$cmd =~ tr/-/_/;
+	if (my $sub = $self->can("_complete_$cmd")) {
+		puts $self, $sub->($self, @argv, $cur);
+	}
 	# TODO: URLs, pathnames, OIDs, MIDs, etc...  See optparse() for
 	# proto parsing.
 }
diff --git a/lib/PublicInbox/LeiExternal.pm b/lib/PublicInbox/LeiExternal.pm
index 21071058..59c3c367 100644
--- a/lib/PublicInbox/LeiExternal.pm
+++ b/lib/PublicInbox/LeiExternal.pm
@@ -93,4 +93,21 @@ sub lei_forget_external {
 	}
 }
 
+# shell completion helper called by lei__complete
+sub _complete_forget_external {
+	my ($self, @argv) = @_;
+	my $cfg = $self->_lei_cfg(0);
+	my $cur = pop @argv;
+	# Workaround bash word-splitting URLs to ['https', ':', '//' ...]
+	# Maybe there's a better way to go about this in
+	# contrib/completion/lei-completion.bash
+	my $colon = ($argv[-1] // '') eq ':';
+	my $re = $cur =~ /\A[\w-]/ ? '' : '.*';
+	map {
+		my $x = substr($_, length('external.'));
+		# only return the part specified on the CLI
+		$colon && $x =~ /(\Q$cur\E.*)/ ? $1 : $x;
+	} grep(/\Aexternal\.$re\Q$cur/, @{$cfg->{-section_order}});
+}
+
 1;

      parent reply	other threads:[~2021-01-21 19:46 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-21 19:46 [PATCH 00/12] lei: another dump Eric Wong
2021-01-21 19:46 ` [PATCH 01/12] lei_overview: rename {relevance} => {pct} Eric Wong
2021-01-21 19:46 ` [PATCH 02/12] lei q: retrieve keywords for local, non-external messages Eric Wong
2021-01-21 19:46 ` [PATCH 03/12] lei_xsearch: eliminate some unused, commented-out code Eric Wong
2021-01-21 19:46 ` [PATCH 04/12] lei: show {pct} and {oid} in From_ lines and filenames Eric Wong
2021-01-21 19:46 ` [PATCH 05/12] lei: fix inadvertant FD sharing Eric Wong
2021-01-21 19:46 ` [PATCH 06/12] lei_to_mail: avoid segfault on exit Eric Wong
2021-01-21 19:46 ` [PATCH 07/12] lei: oneshot: use client $io[2] for placeholder Eric Wong
2021-01-21 19:46 ` [PATCH 08/12] lei: remove INT/QUIT/TERM handlers, fix daemon EOF Eric Wong
2021-01-21 19:46 ` [PATCH 09/12] lei_xsearch: reduce reference paths to lxs Eric Wong
2021-01-21 19:46 ` [PATCH 10/12] lei: remove @TO_CLOSE_ATFORK_CHILD Eric Wong
2021-01-21 19:46 ` [PATCH 11/12] lei: forget-external support with canonicalization Eric Wong
2021-01-21 19:46 ` Eric Wong [this message]

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