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|
#!/usr/bin/perl
use strict;
use warnings;
use File::Path qw(make_path remove_tree);
use File::Copy qw(copy);
use File::Find;
use File::Basename;
use File::Glob qw(:bsd_glob);
use File::Spec;
use constant VCX_DIR => '.vcx';
use constant BSE_DIR => VCX_DIR . '/bse';
use constant OBJ_DIR => VCX_DIR . '/obj';
use constant TMP_DIR => VCX_DIR . '/tmp';
use constant IGNORE_FILE => '.vcxignore';
my $cmd = $ARGV[0] // '';
my $path = $ARGV[1] // '';
if ($cmd eq 'init') {
init_repo();
} elsif ($cmd eq 'status') {
run_status();
} elsif ($cmd eq 'add') {
die "Usage: $0 add [path]\n" unless $path;
run_add($path);
} else {
print "Usage: $0 [init|status]\n";
exit 1;
}
sub init_repo {
make_path(OBJ_DIR, BSE_DIR, TMP_DIR);
print "Repository ready\n";
}
sub run_status {
# We define a helper to handle the logic for each file encountered
my $compare_file = sub {
return if $File::Find::name =~ /^\.\/\Q${\VCX_DIR}\E/; # Skip .vcx
return if -d $File::Find::name; # Directories aren't files
my $path = File::Spec->abs2rel($File::Find::name, '.');
my $base_path = BSE_DIR . "/$path";
my $tmp_path = TMP_DIR . "/$path";
if (-e $base_path) {
# File exists in both (or was deleted).
# We check diff to see if it's modified.
if (system("diff -q '$File::Find::name' '$base_path' > /dev/null") != 0) {
my $staged = check_staged_status($path, 'M');
print "[M] $path" . ($staged ? " (staged)" : "") . "\n";
}
} else {
# New File
my $staged = check_staged_status($path, 'N');
print "[N] $path" . ($staged ? " (staged)" : "") . "\n";
}
};
# Walk the working directory
find({ wanted => $compare_file, no_chdir => 1 }, '.');
# Now, find files in BSE_DIR that no longer exist in . (Deletions)
find({
wanted => sub {
return if -d $_;
my $rel = File::Spec->abs2rel($_, BSE_DIR);
if (!-e $rel) {
my $staged = check_staged_status($rel, 'D');
print "[D] $rel" . ($staged ? " (staged)" : "") . "\n";
}
},
no_chdir => 1
}, BSE_DIR);
}
sub check_staged_status {
my ($path, $type) = @_;
my $tmp = TMP_DIR . "/$path";
if ($type eq 'N' || $type eq 'M') { return -e $tmp; }
if ($type eq 'D') { return !-e $tmp; }
return 0;
}
sub run_add {
my ($target) = @_;
# Copy BSE_DIR to TMP_DIR
if (glob(BSE_DIR . "/*")) {
system("cp -R '" . BSE_DIR . "/.' '" . TMP_DIR . "/'");
}
my @targets = ($target eq '.') ? ('.') : bsd_glob($target);
foreach my $t (@targets) {
find({
wanted => sub {
# Skip VCX directory
return if $File::Find::name =~ /^\.\/\Q${\VCX_DIR}\E/;
my $rel_path = File::Spec->abs2rel($File::Find::name, '.');
my $local_path = $File::Find::name;
my $base_path = BSE_DIR . "/$rel_path";
my $obj_path = OBJ_DIR . "/$rel_path";
my $tmp_link = TMP_DIR . "/$rel_path";
# Regular file
if (-f $local_path) {
if (!-e $base_path) {
_sync_new_file($local_path, $obj_path, $tmp_link);
} elsif (!-l $base_path && system("diff -q '$local_path' '$base_path' > /dev/null") != 0) {
_sync_modified_file($local_path, $obj_path, $tmp_link);
}
}
# Symlink
elsif (-l $local_path) {
if (-l $base_path) {
# Both are symlinks: compare the targets (where they point)
if (readlink($local_path) ne readlink($base_path)) {
_sync_modified_file($local_path, $obj_path, $tmp_link);
}
} else {
# Local is a symlink, but base isn't: treat as modification
_sync_modified_file($local_path, $obj_path, $tmp_link);
}
}
},
follow => 0,
no_chdir => 1,
}, $t) if -e $t;
_handle_deletions($t);
}
}
sub _sync_new_file {
my ($src, $obj, $tmp) = @_;
make_path(dirname($obj));
make_path(dirname($tmp));
copy($src, $obj);
my $abs_obj = File::Spec->rel2abs($obj);
my $abs_tmp = File::Spec->rel2abs($tmp);
my $rel_target = File::Spec->abs2rel($abs_obj, dirname($abs_tmp));
unlink($tmp) if -e $tmp || -l $tmp;
symlink($rel_target, $tmp);
print "[Add New] $src\n";
}
sub _sync_modified_file {
my ($src, $obj, $tmp) = @_;
my $tmp_obj = "$obj.tmp"; # The modified version in obj/
make_path(dirname($tmp_obj));
copy($src, $tmp_obj);
unlink($tmp) if -e $tmp || -l $tmp; # Ensure clean slate
# RELATIVE PATH FIX:
# Link: .vcx/tmp/path/to/file (at least 2+ levels deep)
# Target: .vcx/obj/path/to/file.tmp
# We need to get out of tmp/ and into obj/
my $rel_target = "../obj/" . $src . ".tmp";
symlink($rel_target, $tmp);
print "[Add Mod] $src\n";
}
sub _handle_deletions {
my ($target) = @_;
my $search_base = ($target eq '.') ? BSE_DIR : BSE_DIR . "/$target";
return unless -d $search_base || -e $search_base;
find({
wanted => sub {
return if -d $_;
my $rel_path = File::Spec->abs2rel($File::Find::name, BSE_DIR);
# If file exists in BSE_DIR but NOT in current directory (.)
if (!-e $rel_path) {
unlink(OBJ_DIR . "/$rel_path");
unlink(BSE_DIR . "/$rel_path");
print "[Deleted] $rel_path\n";
}
},
no_chdir => 1,
}, $search_base);
}
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