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Implement
--git-cache-dir Configure.pl option
This option makes the configure process create / update git repositories for all of its submodules and NQP in the given folders and use those as reference repos. The option is forwarded to a potential NQP sub-build. Also remove stale documentation for a not anymore implemented `--git-reference` option. I suspect it was lost during the great build system refactor.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| #!/usr/bin/env perl | ||
| # Copyright (C) 2009-2019 The Perl Foundation | ||
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| use 5.10.1; | ||
| use strict; | ||
| use warnings; | ||
| use Getopt::Long; | ||
| use Cwd; | ||
| use File::Spec; | ||
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| my $msg; | ||
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| my $repo = shift @ARGV; | ||
| chdir $repo; | ||
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| exit 0 if !-d '.git'; | ||
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| my $git_cache_dir; | ||
| Getopt::Long::Configure("pass_through"); | ||
| Getopt::Long::GetOptions('git-cache-dir=s' => \$git_cache_dir); | ||
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| print 'Updating submodules .................................... '; | ||
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| exec_and_check('git submodule sync --quiet 2>&1', 'Submodule sync failed for an unknown reason.'); | ||
| exec_and_check('git submodule --quiet init 2>&1', 'Submodule init failed for an unknown reason.'); | ||
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| if ($git_cache_dir) { | ||
| my $out = qx{git submodule status 2>&1}; | ||
| if ($? >> 8 != 0) { | ||
| print "\n===SORRY=== ERROR: Submodule status failed for an unknown reason.\n"; | ||
| print "The error message was: $out\n"; | ||
| exit 1; | ||
| } | ||
| for my $smodline (split(/^/m, $out)) { | ||
| chomp $smodline; | ||
| if ($smodline !~ /^.[0-9a-f]+ ([^ ]+)(?:$| )/) { | ||
| print "\n===SORRY=== ERROR: " | ||
| . "Submodule status output looks unexpected: '$smodline'"; | ||
| exit 1; | ||
| } | ||
| my $smodpath = $1; | ||
| my $smodname = (File::Spec->splitdir($smodpath))[-1]; | ||
| my $modrefdir = File::Spec->catdir($git_cache_dir, $smodname); | ||
| my $url = qx{git config submodule.$smodpath.url 2>&1}; | ||
| chomp $url; | ||
| if (!$url) { | ||
| print "Couldn't retrieve submodule URL for submodule $smodname\n"; | ||
| exit 1; | ||
| } | ||
| if (!-e $modrefdir) { | ||
| exec_and_check("git clone --quiet --bare $url $modrefdir", "Got clone of $url failed."); | ||
| } | ||
| else { | ||
| my $back = Cwd::cwd(); | ||
| chdir $modrefdir; | ||
| exec_and_check('git fetch --quiet --all', "Got fetch in $modrefdir failed."); | ||
| chdir $back; | ||
| } | ||
| $msg = qx{git submodule --quiet update --reference $modrefdir $smodpath 2>&1}; | ||
| check_update_ok($?, $msg); | ||
| } | ||
| } | ||
| else { | ||
| $msg = qx{git submodule --quiet update 2>&1}; | ||
| check_update_ok($?, $msg); | ||
| } | ||
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| print "OK\n"; | ||
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| # Helper subs. | ||
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| sub exec_and_check { | ||
| my ($command, $msg) = @_; | ||
| my $out = qx{$command}; | ||
| if ($? >> 8 != 0) { | ||
| print "\n===SORRY=== ERROR: $msg\n"; | ||
| print "The error message was: $out\n"; | ||
| exit 1; | ||
| } | ||
| } | ||
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| sub check_update_ok { | ||
| my ($code, $msg) = @_; | ||
| if ($code >> 8 != 0) { | ||
| if ( $msg =~ | ||
| /[']([^']+)[']\s+already exists and is not an empty/ ) | ||
| { | ||
| print "\n===SORRY=== ERROR: " | ||
| . "Cannot update submodule because directory exists and is not empty.\n" | ||
| . ">>> Please delete the following folder and try again:\n$1\n\n"; | ||
| } | ||
| else { | ||
| print "\n===SORRY=== ERROR: " | ||
| . "Updating the submodule failed for an unknown reason. The error message was:\n" | ||
| . $msg; | ||
| } | ||
| exit 1; | ||
| } | ||
| } | ||
|
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