mirror of
https://github.com/go-gitea/gitea.git
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72f6d5c882
* Restrict repository indexing by file extension
* Use REPO_EXTENSIONS_LIST_INCLUDE instead of REPO_EXTENSIONS_LIST_EXCLUDE and have a more flexible extension pattern
* Corrected to pass lint gosimple
* Add wildcard support to REPO_INDEXER_EXTENSIONS
* This reverts commit 72a650c8e4.
* Add wildcard support to REPO_INDEXER_EXTENSIONS (no make vendor)
* Simplify isIndexable() for better clarity
* Add gobwas/glob to vendors
* manually set appengine new release
* Implement better REPO_INDEXER_INCLUDE and REPO_INDEXER_EXCLUDE
* Add unit and integration tests
* Update app.ini.sample and reword config-cheat-sheet
* Add doc page and correct app.ini.sample
* Some polish on the doc
* Simplify code as suggested by @lafriks
115 lines
3.2 KiB
Perl
Executable File
115 lines
3.2 KiB
Perl
Executable File
#!/usr/bin/perl
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use strict;
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use warnings;
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use IPC::Open2;
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# An example hook script to integrate Watchman
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# (https://facebook.github.io/watchman/) with git to speed up detecting
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# new and modified files.
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#
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# The hook is passed a version (currently 1) and a time in nanoseconds
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# formatted as a string and outputs to stdout all files that have been
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# modified since the given time. Paths must be relative to the root of
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# the working tree and separated by a single NUL.
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#
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# To enable this hook, rename this file to "query-watchman" and set
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# 'git config core.fsmonitor .git/hooks/query-watchman'
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#
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my ($version, $time) = @ARGV;
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# Check the hook interface version
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if ($version == 1) {
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# convert nanoseconds to seconds
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$time = int $time / 1000000000;
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} else {
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die "Unsupported query-fsmonitor hook version '$version'.\n" .
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"Falling back to scanning...\n";
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}
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my $git_work_tree;
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if ($^O =~ 'msys' || $^O =~ 'cygwin') {
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$git_work_tree = Win32::GetCwd();
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$git_work_tree =~ tr/\\/\//;
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} else {
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require Cwd;
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$git_work_tree = Cwd::cwd();
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}
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my $retry = 1;
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launch_watchman();
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sub launch_watchman {
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my $pid = open2(\*CHLD_OUT, \*CHLD_IN, 'watchman -j --no-pretty')
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or die "open2() failed: $!\n" .
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"Falling back to scanning...\n";
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# In the query expression below we're asking for names of files that
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# changed since $time but were not transient (ie created after
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# $time but no longer exist).
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#
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# To accomplish this, we're using the "since" generator to use the
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# recency index to select candidate nodes and "fields" to limit the
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# output to file names only. Then we're using the "expression" term to
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# further constrain the results.
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#
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# The category of transient files that we want to ignore will have a
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# creation clock (cclock) newer than $time_t value and will also not
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# currently exist.
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my $query = <<" END";
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["query", "$git_work_tree", {
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"since": $time,
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"fields": ["name"],
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"expression": ["not", ["allof", ["since", $time, "cclock"], ["not", "exists"]]]
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}]
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END
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print CHLD_IN $query;
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close CHLD_IN;
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my $response = do {local $/; <CHLD_OUT>};
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die "Watchman: command returned no output.\n" .
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"Falling back to scanning...\n" if $response eq "";
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die "Watchman: command returned invalid output: $response\n" .
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"Falling back to scanning...\n" unless $response =~ /^\{/;
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my $json_pkg;
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eval {
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require JSON::XS;
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$json_pkg = "JSON::XS";
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1;
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} or do {
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require JSON::PP;
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$json_pkg = "JSON::PP";
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};
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my $o = $json_pkg->new->utf8->decode($response);
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if ($retry > 0 and $o->{error} and $o->{error} =~ m/unable to resolve root .* directory (.*) is not watched/) {
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print STDERR "Adding '$git_work_tree' to watchman's watch list.\n";
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$retry--;
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qx/watchman watch "$git_work_tree"/;
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die "Failed to make watchman watch '$git_work_tree'.\n" .
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"Falling back to scanning...\n" if $? != 0;
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# Watchman will always return all files on the first query so
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# return the fast "everything is dirty" flag to git and do the
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# Watchman query just to get it over with now so we won't pay
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# the cost in git to look up each individual file.
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print "/\0";
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eval { launch_watchman() };
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exit 0;
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}
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die "Watchman: $o->{error}.\n" .
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"Falling back to scanning...\n" if $o->{error};
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binmode STDOUT, ":utf8";
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local $, = "\0";
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print @{$o->{files}};
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}
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