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Add debug tracing to helper routines

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This commit is contained in:
Adam Spiers 2011-11-17 16:37:37 +00:00
parent 422a748724
commit 063331c34d
1 changed files with 18 additions and 3 deletions
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stow.in
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@ -1112,9 +1112,11 @@ sub process_tasks {
#============================================================================
sub is_a_link {
my ($path) = @_;
debug(4, " is_a_link($path)");
if (exists $Link_Task_For{$path}) {
my $action = $Link_Task_For{$path}->{'action'};
debug(4, "is_a_link($path): task exists with action $action");
if ($action eq 'remove') {
return 0;
@ -1129,6 +1131,7 @@ sub is_a_link {
elsif (-l $path) {
# check if any of its parent are links scheduled for removal
# (need this for edge case during unfolding)
debug(4, "is_a_link($path): is a real link");
my $parent = '';
for my $part (split m{/+}, $path) {
$parent = join_paths($parent, $part);
@ -1140,6 +1143,7 @@ sub is_a_link {
}
return 1;
}
debug(4, "is_a_link($path): returning false");
return 0;
}
@ -1156,9 +1160,11 @@ sub is_a_link {
#============================================================================
sub is_a_dir {
my ($path) = @_;
debug(4, " is_a_dir($path)");
if (exists $Dir_Task_For{$path}) {
my $action = $Dir_Task_For{$path}->{'action'};
debug(4, "is_a_dir($path): task exists with action $action");
if ($action eq 'remove') {
return 0;
}
@ -1181,8 +1187,10 @@ sub is_a_dir {
}
if (-d $path) {
debug(4, "is_a_dir($path): real dir");
return 1;
}
debug(4, "is_a_dir($path): returning false");
return 0;
}
@ -1198,10 +1206,11 @@ sub is_a_dir {
#============================================================================
sub is_a_node {
my ($path) = @_;
debug(4, " is_a_node($path)");
if (exists $Link_Task_For{$path}) {
my $action = $Link_Task_For{$path}->{'action'};
debug(4, "is_a_node($path): link task exists with action $action");
if ($action eq 'remove') {
return 0;
}
@ -1215,7 +1224,7 @@ sub is_a_node {
if (exists $Dir_Task_For{$path}) {
my $action = $Dir_Task_For{$path}->{'action'};
debug(4, "is_a_node($path): dir task exists with action $action");
if ($action eq 'remove') {
return 0;
}
@ -1231,15 +1240,19 @@ sub is_a_node {
my $prefix = '';
for my $part (split m{/+}, $path) {
$prefix = join_paths($prefix, $part);
debug(4, "is_a_node($path): prefix $prefix");
if (exists $Link_Task_For{$prefix} and
$Link_Task_For{$prefix}->{'action'} eq 'remove') {
debug(4, "is_a_node($path): link scheduled for removal");
return 0;
}
}
if (-e $path) {
debug(4, "is_a_node($path): really exists");
return 1;
}
debug(4, "is_a_node($path): returning false");
return 0;
}
@ -1257,6 +1270,7 @@ sub read_a_link {
if (exists $Link_Task_For{$path}) {
my $action = $Link_Task_For{$path}->{'action'};
debug(4, "read_a_link($path): task exists with action $action");
if ($action eq 'create') {
return $Link_Task_For{$path}->{'source'};
@ -1271,6 +1285,7 @@ sub read_a_link {
}
}
elsif (-l $path) {
debug(4, "read_a_link($path): real link");
return readlink $path
or error("Could not read link: $path");
}