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authorEugeni Dodonov <eugeni@mandriva.org>2011-02-02 16:00:46 +0000
committerEugeni Dodonov <eugeni@mandriva.org>2011-02-02 16:00:46 +0000
commita074b22aa2e9c03fe906d7a52568ae414a589b95 (patch)
tree6579b28140180411ab2bdc3f629bb286f6103c3f /lib/MDK/Common/File.pm
parentb4bfde329e969407a2d5333f83b5e3373dd860e1 (diff)
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1.2.27:1.2.27
- added cp_afx option for copying files without crossing file systems
Diffstat (limited to 'lib/MDK/Common/File.pm')
-rw-r--r--lib/MDK/Common/File.pm54
1 files changed, 53 insertions, 1 deletions
diff --git a/lib/MDK/Common/File.pm b/lib/MDK/Common/File.pm
index 48fd702..a44c479 100644
--- a/lib/MDK/Common/File.pm
+++ b/lib/MDK/Common/File.pm
@@ -83,6 +83,10 @@ just like "cp -f"
just like "cp -af"
+=item cp_afx(FILES, DEST)
+
+just like "cp -afx"
+
=item linkf(SOURCE, DESTINATION)
=item symlinkf(SOURCE, DESTINATION)
@@ -139,7 +143,7 @@ use File::Sync qw(fsync);
use Exporter;
our @ISA = qw(Exporter);
-our @EXPORT_OK = qw(dirname basename cat_ cat_utf8 cat_or_die cat_utf8_or_die cat__ output output_p output_with_perm append_to_file linkf symlinkf renamef mkdir_p rm_rf cp_f cp_af touch all all_files_rec glob_ substInFile expand_symlinks openFileMaybeCompressed catMaybeCompressed);
+our @EXPORT_OK = qw(dirname basename cat_ cat_utf8 cat_or_die cat_utf8_or_die cat__ output output_p output_with_perm append_to_file linkf symlinkf renamef mkdir_p rm_rf cp_f cp_af cp_afx touch all all_files_rec glob_ substInFile expand_symlinks openFileMaybeCompressed catMaybeCompressed);
our %EXPORT_TAGS = (all => [ @EXPORT_OK ]);
sub dirname { local $_ = shift; s|[^/]*/*\s*$||; s|(.)/*$|$1|; $_ || '.' }
@@ -228,8 +232,56 @@ sub cp_with_option {
1;
}
+sub cp_same_filesystem_with_options {
+ my $rootdev = shift @_;
+ my $option = shift @_;
+ my $keep_special = $option =~ /a/;
+
+ my $dest = pop @_;
+
+ @_ or return;
+ @_ == 1 || -d $dest or die "cp: copying multiple files, but last argument ($dest) is not a directory\n";
+
+ foreach my $src (@_) {
+ # detect original file system
+ if ($rootdev == -1) {
+ my @stat = stat($src);
+ $rootdev = $stat[0];
+ }
+
+ my $dest = $dest;
+ -d $dest and $dest .= '/' . basename($src);
+
+ unlink $dest;
+
+ if (-l $src && $keep_special) {
+ unless (symlink(readlink($src) || die("readlink failed: $!"), $dest)) {
+ warn "symlink: can't create symlink $dest: $!\n";
+ }
+ } elsif (-d $src) {
+ -d $dest or mkdir $dest, (stat($src))[2] or die "mkdir: can't create directory $dest: $!\n";
+ cp_same_filesystem_with_options($rootdev, $option, glob_($src), $dest);
+ } elsif ((-b $src || -c $src || -S $src || -p $src) && $keep_special) {
+ my @stat = stat($src);
+ require MDK::Common::System;
+ MDK::Common::System::syscall_('mknod', $dest, $stat[2], $stat[6]) or die "mknod failed (dev $dest): $!";
+ } else {
+ my @stat = stat($src);
+ if ($stat[0] != $rootdev) {
+ next;
+ }
+ open(my $F, $src) or die "can't open $src for reading: $!\n";
+ open(my $G, "> $dest") or die "can't cp to file $dest: $!\n";
+ local $_; while (<$F>) { print $G $_ }
+ chmod((stat($src))[2], $dest);
+ }
+ }
+ 1;
+}
+
sub cp_f { cp_with_option('f', @_) }
sub cp_af { cp_with_option('af', @_) }
+sub cp_afx { cp_same_filesystem_with_options(-1, 'af', @_) }
sub touch {
my ($f) = @_;