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Fix inconsistencies in coding style.

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This commit is contained in:
Adam Spiers 2011-11-17 14:17:24 +00:00
parent 6ee8747c9b
commit 85f1f8619c
2 changed files with 85 additions and 115 deletions
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198
stow.in
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@ -98,7 +98,7 @@ our %Link_Task_For = ();
# put the main loop in this block so we can load the # put the main loop in this block so we can load the
# rest of the code as a module for testing # rest of the code as a module for testing
if ( not caller() ) { if (not caller()) {
process_options(); process_options();
set_stow_path(); set_stow_path();
@ -106,19 +106,19 @@ if ( not caller() ) {
# current dir is now the target directory # current dir is now the target directory
for my $package (@Pkgs_To_Delete) { for my $package (@Pkgs_To_Delete) {
if (not -d join_paths($Stow_Path,$package)) { if (not -d join_paths($Stow_Path, $package)) {
error("The given package name ($package) is not in your stow path"); error("The given package name ($package) is not in your stow path");
} }
debug(2, "Unstowing package $package..."); debug(2, "Unstowing package $package...");
if ($Option{'compat'}) { if ($Option{'compat'}) {
unstow_contents_orig( unstow_contents_orig(
join_paths($Stow_Path,$package), # path to package join_paths($Stow_Path, $package), # path to package
'', # target is current_dir '', # target is current_dir
); );
} }
else { else {
unstow_contents( unstow_contents(
join_paths($Stow_Path,$package), # path to package join_paths($Stow_Path, $package), # path to package
'', # target is current_dir '', # target is current_dir
); );
} }
@ -126,14 +126,14 @@ if ( not caller() ) {
} }
for my $package (@Pkgs_To_Stow) { for my $package (@Pkgs_To_Stow) {
if (not -d join_paths($Stow_Path,$package)) { if (not -d join_paths($Stow_Path, $package)) {
error("The given package name ($package) is not in your stow path"); error("The given package name ($package) is not in your stow path");
} }
debug(2, "Stowing package $package..."); debug(2, "Stowing package $package...");
stow_contents( stow_contents(
join_paths($Stow_Path,$package), # path package join_paths($Stow_Path, $package), # path package
'', # target is current dir '', # target is current dir
join_paths($Stow_Path,$package), # source from target join_paths($Stow_Path, $package), # source from target
); );
debug(2, "Stowing package $package...done"); debug(2, "Stowing package $package...done");
} }
@ -164,7 +164,6 @@ if ( not caller() ) {
# Comments : checks @ARGV for valid package names # Comments : checks @ARGV for valid package names
#============================================================================ #============================================================================
sub process_options { sub process_options {
get_defaults(); get_defaults();
#$,="\n"; print @ARGV,"\n"; # for debugging rc file #$,="\n"; print @ARGV,"\n"; # for debugging rc file
@ -236,14 +235,14 @@ sub process_options {
$Option{'simulate'} = 1; $Option{'simulate'} = 1;
} }
if (not scalar @Pkgs_To_Stow and not scalar @Pkgs_To_Delete ) { if (not scalar @Pkgs_To_Stow and not scalar @Pkgs_To_Delete) {
usage("No packages named"); usage("No packages named");
} }
# check package arguments # check package arguments
for my $package ( (@Pkgs_To_Stow, @Pkgs_To_Delete) ) { for my $package ((@Pkgs_To_Stow, @Pkgs_To_Delete)) {
$package =~ s{/+$}{}; # delete trailing slashes $package =~ s{/+$}{}; # delete trailing slashes
if ( $package =~ m{/} ) { if ($package =~ m{/}) {
error("Slashes are not permitted in package names"); error("Slashes are not permitted in package names");
} }
} }
@ -278,14 +277,13 @@ sub debug {
# : hacked in so that Emil and I could set different preferences). # : hacked in so that Emil and I could set different preferences).
#============================================================================= #=============================================================================
sub get_defaults { sub get_defaults {
my @defaults = (); my @defaults = ();
for my $file ($ENV{'HOME'}.'/.stowrc','.stowrc') { for my $file ($ENV{'HOME'}.'/.stowrc', '.stowrc') {
if (-r $file ) { if (-r $file) {
warn "Loading defaults from $file\n"; warn "Loading defaults from $file\n";
open my $FILE, '<', $file open my $FILE, '<', $file
or die "Could not open $file for reading\n"; or die "Could not open $file for reading\n";
while (my $line = <$FILE> ){ while (my $line = <$FILE>){
chomp $line; chomp $line;
push @defaults, split " ", $line; push @defaults, split " ", $line;
} }
@ -341,7 +339,7 @@ OPTIONS:
-V, --version Show stow version number -V, --version Show stow version number
-h, --help Show this help -h, --help Show this help
EOT EOT
exit( $msg ? 1 : 0 ); exit $msg ? 1 : 0;
} }
#===== SUBROUTINE =========================================================== #===== SUBROUTINE ===========================================================
@ -354,7 +352,6 @@ EOT
# Comments : This sets the current working directory to $Option{target} # Comments : This sets the current working directory to $Option{target}
#============================================================================ #============================================================================
sub set_stow_path { sub set_stow_path {
# Changing dirs helps a lot when soft links are used # Changing dirs helps a lot when soft links are used
# Also prevents problems when 'stow_dir' or 'target' are # Also prevents problems when 'stow_dir' or 'target' are
# supplied as relative paths (FIXME: examples?) # supplied as relative paths (FIXME: examples?)
@ -363,7 +360,7 @@ sub set_stow_path {
# default stow dir is $STOW_DIR if set, otherwise the current # default stow dir is $STOW_DIR if set, otherwise the current
# directory # directory
if (not $Option{'dir'} ) { if (not $Option{'dir'}) {
$Option{'dir'} = exists $ENV{STOW_DIR} ? $ENV{STOW_DIR} : getcwd(); $Option{'dir'} = exists $ENV{STOW_DIR} ? $ENV{STOW_DIR} : getcwd();
} }
if (not chdir($Option{'dir'})) { if (not chdir($Option{'dir'})) {
@ -404,7 +401,6 @@ sub set_stow_path {
# : $path is used for folding/unfolding trees as necessary # : $path is used for folding/unfolding trees as necessary
#============================================================================ #============================================================================
sub stow_contents { sub stow_contents {
my ($path, $target, $source) = @_; my ($path, $target, $source) = @_;
debug(2, "Stowing contents of $path"); debug(2, "Stowing contents of $path");
@ -425,9 +421,9 @@ sub stow_contents {
next NODE if $node eq '..'; next NODE if $node eq '..';
next NODE if ignore($node); next NODE if ignore($node);
stow_node( stow_node(
join_paths($path, $node), # path join_paths($path, $node), # path
join_paths($target,$node), # target join_paths($target, $node), # target
join_paths($source,$node), # source join_paths($source, $node), # source
); );
} }
} }
@ -445,7 +441,6 @@ sub stow_contents {
# : $path is used for folding/unfolding trees as necessary # : $path is used for folding/unfolding trees as necessary
#============================================================================ #============================================================================
sub stow_node { sub stow_node {
my ($path, $target, $source) = @_; my ($path, $target, $source) = @_;
debug(2, "Stowing $path"); debug(2, "Stowing $path");
@ -454,7 +449,7 @@ sub stow_node {
# don't try to stow absolute symlinks (they can't be unstowed) # don't try to stow absolute symlinks (they can't be unstowed)
if (-l $source) { if (-l $source) {
my $second_source = read_a_link($source); my $second_source = read_a_link($source);
if ($second_source =~ m{\A/} ) { if ($second_source =~ m{\A/}) {
conflict("source is an absolute symlink $source => $second_source"); conflict("source is an absolute symlink $source => $second_source");
debug(3, "absolute symlinks cannot be unstowed"); debug(3, "absolute symlinks cannot be unstowed");
return; return;
@ -489,10 +484,10 @@ sub stow_node {
elsif (override($target)) { elsif (override($target)) {
debug(3, "--- overriding installation of: $target"); debug(3, "--- overriding installation of: $target");
do_unlink($target); do_unlink($target);
do_link($source,$target); do_link($source, $target);
} }
elsif (is_a_dir(join_paths(parent($target),$old_source)) && elsif (is_a_dir(join_paths(parent($target), $old_source)) &&
is_a_dir(join_paths(parent($target),$source)) ) { is_a_dir(join_paths(parent($target), $source)) ) {
# if the existing link points to a directory, # if the existing link points to a directory,
# and the proposed new link points to a directory, # and the proposed new link points to a directory,
@ -501,8 +496,8 @@ sub stow_node {
debug(3, "--- Unfolding $target"); debug(3, "--- Unfolding $target");
do_unlink($target); do_unlink($target);
do_mkdir($target); do_mkdir($target);
stow_contents($old_path, $target, join_paths('..',$old_source)); stow_contents($old_path, $target, join_paths('..', $old_source));
stow_contents($path, $target, join_paths('..',$source)); stow_contents($path, $target, join_paths('..', $source));
} }
else { else {
conflict( conflict(
@ -522,7 +517,7 @@ sub stow_node {
elsif (is_a_node($target)) { elsif (is_a_node($target)) {
debug(3, "--- Evaluate existing node: $target"); debug(3, "--- Evaluate existing node: $target");
if (is_a_dir($target)) { if (is_a_dir($target)) {
stow_contents($path, $target, join_paths('..',$source)); stow_contents($path, $target, join_paths('..', $source));
} }
else { else {
conflict( conflict(
@ -547,7 +542,6 @@ sub stow_node {
# : Here we traverse the target tree, rather than the source tree. # : Here we traverse the target tree, rather than the source tree.
#============================================================================ #============================================================================
sub unstow_contents_orig { sub unstow_contents_orig {
my ($path, $target) = @_; my ($path, $target) = @_;
# don't try to remove anything under a stow directory # don't try to remove anything under a stow directory
@ -587,7 +581,6 @@ sub unstow_contents_orig {
# Comments : unstow_node() and unstow_contents() are mutually recursive # Comments : unstow_node() and unstow_contents() are mutually recursive
#============================================================================ #============================================================================
sub unstow_node_orig { sub unstow_node_orig {
my ($path, $target) = @_; my ($path, $target) = @_;
debug(2, "Unstowing $target"); debug(2, "Unstowing $target");
@ -632,7 +625,7 @@ sub unstow_node_orig {
# this action may have made the parent directory foldable # this action may have made the parent directory foldable
if (my $parent = foldable($target)) { if (my $parent = foldable($target)) {
fold_tree($target,$parent); fold_tree($target, $parent);
} }
} }
return; return;
@ -649,7 +642,6 @@ sub unstow_node_orig {
# : Here we traverse the target tree, rather than the source tree. # : Here we traverse the target tree, rather than the source tree.
#============================================================================ #============================================================================
sub unstow_contents { sub unstow_contents {
my ($path, $target) = @_; my ($path, $target) = @_;
# don't try to remove anything under a stow directory # don't try to remove anything under a stow directory
@ -692,7 +684,6 @@ sub unstow_contents {
# Comments : unstow_node() and unstow_contents() are mutually recursive # Comments : unstow_node() and unstow_contents() are mutually recursive
#============================================================================ #============================================================================
sub unstow_node { sub unstow_node {
my ($path, $target) = @_; my ($path, $target) = @_;
debug(2, "Unstowing $path"); debug(2, "Unstowing $path");
@ -723,7 +714,7 @@ sub unstow_node {
} }
# does the existing $target actually point to anything # does the existing $target actually point to anything
if (-e $old_path) { if (-e $old_path) {
# does link points to the right place # does link points to the right place
if ($old_path eq $path) { if ($old_path eq $path) {
do_unlink($target); do_unlink($target);
@ -759,7 +750,7 @@ sub unstow_node {
# this action may have made the parent directory foldable # this action may have made the parent directory foldable
if (my $parent = foldable($target)) { if (my $parent = foldable($target)) {
fold_tree($target,$parent); fold_tree($target, $parent);
} }
} }
else { else {
@ -784,7 +775,6 @@ sub unstow_node {
# : we could put more logic under here for multiple stow dirs # : we could put more logic under here for multiple stow dirs
#============================================================================ #============================================================================
sub find_stowed_path { sub find_stowed_path {
my ($target, $source) = @_; my ($target, $source) = @_;
# evaluate softlink relative to its target # evaluate softlink relative to its target
@ -793,7 +783,7 @@ sub find_stowed_path {
# search for .stow files # search for .stow files
my $dir = ''; my $dir = '';
for my $part (split m{/+}, $path) { for my $part (split m{/+}, $path) {
$dir = join_paths($dir,$part); $dir = join_paths($dir, $part);
if (-f "$dir/.stow") { if (-f "$dir/.stow") {
return $path; return $path;
} }
@ -804,8 +794,8 @@ sub find_stowed_path {
my @stow_path = split m{/+}, $Stow_Path; my @stow_path = split m{/+}, $Stow_Path;
# strip off common prefixes # strip off common prefixes
while ( @path && @stow_path ) { while (@path && @stow_path) {
if ( (shift @path) ne (shift @stow_path) ) { if ((shift @path) ne (shift @stow_path)) {
return ''; return '';
} }
} }
@ -829,7 +819,6 @@ sub find_stowed_path {
# : it anyway # : it anyway
#============================================================================= #=============================================================================
sub cleanup_invalid_links { sub cleanup_invalid_links {
my ($dir) = @_; my ($dir) = @_;
if (not -d $dir) { if (not -d $dir) {
@ -846,7 +835,7 @@ sub cleanup_invalid_links {
next NODE if $node eq '.'; next NODE if $node eq '.';
next NODE if $node eq '..'; next NODE if $node eq '..';
my $node_path = join_paths($dir,$node); my $node_path = join_paths($dir, $node);
if (-l $node_path and not exists $Link_Task_For{$node_path}) { if (-l $node_path and not exists $Link_Task_For{$node_path}) {
@ -858,11 +847,11 @@ sub cleanup_invalid_links {
} }
if ( if (
not -e join_paths($dir,$source) and # bad link not -e join_paths($dir, $source) and # bad link
find_stowed_path($node_path,$source) # owned by stow find_stowed_path($node_path, $source) # owned by stow
){ ){
debug(3, "--- removing stale link: $node_path => " . debug(3, "--- removing stale link: $node_path => " .
join_paths($dir,$source)); join_paths($dir, $source));
do_unlink($node_path); do_unlink($node_path);
} }
} }
@ -881,7 +870,6 @@ sub cleanup_invalid_links {
# : that is, it can be used as the source for a replacement symlink # : that is, it can be used as the source for a replacement symlink
#============================================================================ #============================================================================
sub foldable { sub foldable {
my ($target) = @_; my ($target) = @_;
debug(3, "--- Is $target foldable?"); debug(3, "--- Is $target foldable?");
@ -898,7 +886,7 @@ sub foldable {
next NODE if $node eq '.'; next NODE if $node eq '.';
next NODE if $node eq '..'; next NODE if $node eq '..';
my $path = join_paths($target,$node); my $path = join_paths($target, $node);
# skip nodes scheduled for removal # skip nodes scheduled for removal
next NODE if not is_a_node($path); next NODE if not is_a_node($path);
@ -928,7 +916,7 @@ sub foldable {
$parent =~ s{\A\.\./}{}; $parent =~ s{\A\.\./}{};
# if the resulting path is owned by stow, we can fold it # if the resulting path is owned by stow, we can fold it
if (find_stowed_path($target,$parent)) { if (find_stowed_path($target, $parent)) {
debug(3, "--- $target is foldable"); debug(3, "--- $target is foldable");
return $parent; return $parent;
} }
@ -947,8 +935,7 @@ sub foldable {
# Comments : only called iff foldable() is true so we can remove some checks # Comments : only called iff foldable() is true so we can remove some checks
#============================================================================ #============================================================================
sub fold_tree { sub fold_tree {
my ($target, $source) = @_;
my ($target,$source) = @_;
debug(3, "--- Folding tree: $target => $source"); debug(3, "--- Folding tree: $target => $source");
@ -961,8 +948,8 @@ sub fold_tree {
for my $node (@listing) { for my $node (@listing) {
next NODE if $node eq '.'; next NODE if $node eq '.';
next NODE if $node eq '..'; next NODE if $node eq '..';
next NODE if not is_a_node(join_paths($target,$node)); next NODE if not is_a_node(join_paths($target, $node));
do_unlink(join_paths($target,$node)); do_unlink(join_paths($target, $node));
} }
do_rmdir($target); do_rmdir($target);
do_link($source, $target); do_link($source, $target);
@ -979,7 +966,7 @@ sub fold_tree {
# Comments : indicates what type of conflict it is # Comments : indicates what type of conflict it is
#============================================================================ #============================================================================
sub conflict { sub conflict {
my ( $format, @args ) = @_; my ($format, @args) = @_;
my $message = sprintf($format, @args); my $message = sprintf($format, @args);
@ -997,7 +984,6 @@ sub conflict {
# Comments : none # Comments : none
#============================================================================= #=============================================================================
sub ignore { sub ignore {
my ($path) = @_; my ($path) = @_;
for my $suffix (@{$Option{'ignore'}}) { for my $suffix (@{$Option{'ignore'}}) {
@ -1015,7 +1001,6 @@ sub ignore {
# Comments : none # Comments : none
#============================================================================= #=============================================================================
sub defer { sub defer {
my ($path) = @_; my ($path) = @_;
for my $prefix (@{$Option{'defer'}}) { for my $prefix (@{$Option{'defer'}}) {
@ -1033,7 +1018,6 @@ sub defer {
# Comments : none # Comments : none
#============================================================================= #=============================================================================
sub override { sub override {
my ($path) = @_; my ($path) = @_;
for my $regex (@{$Option{'override'}}) { for my $regex (@{$Option{'override'}}) {
@ -1059,7 +1043,6 @@ sub override {
# : an action is set to 'skip' if it is found to be redundant # : an action is set to 'skip' if it is found to be redundant
#============================================================================ #============================================================================
sub process_tasks { sub process_tasks {
debug(2, "Processing tasks..."); debug(2, "Processing tasks...");
# strip out all tasks with a skip action # strip out all tasks with a skip action
@ -1076,14 +1059,14 @@ sub process_tasks {
for my $task (@Tasks) { for my $task (@Tasks) {
if ( $task->{'action'} eq 'create' ) { if ($task->{'action'} eq 'create') {
if ( $task->{'type'} eq 'dir' ) { if ($task->{'type'} eq 'dir') {
mkdir($task->{'path'}, 0777) mkdir($task->{'path'}, 0777)
or error(qq(Could not create directory: $task->{'path'})); or error(qq(Could not create directory: $task->{'path'}));
} }
elsif ( $task->{'type'} eq 'link' ) { elsif ($task->{'type'} eq 'link') {
symlink $task->{'source'}, $task->{'path'} symlink $task->{'source'}, $task->{'path'}
or error( or error(
q(Could not create symlink: %s => %s), q(Could not create symlink: %s => %s),
$task->{'path'}, $task->{'path'},
$task->{'source'} $task->{'source'}
@ -1093,12 +1076,12 @@ sub process_tasks {
internal_error(qq(bad task type: $task->{'type'})); internal_error(qq(bad task type: $task->{'type'}));
} }
} }
elsif ( $task->{'action'} eq 'remove' ) { elsif ($task->{'action'} eq 'remove') {
if ( $task->{'type'} eq 'dir' ) { if ($task->{'type'} eq 'dir') {
rmdir $task->{'path'} rmdir $task->{'path'}
or error(qq(Could not remove directory: $task->{'path'})); or error(qq(Could not remove directory: $task->{'path'}));
} }
elsif ( $task->{'type'} eq 'link' ) { elsif ($task->{'type'} eq 'link') {
unlink $task->{'path'} unlink $task->{'path'}
or error(qq(Could not remove link: $task->{'path'})); or error(qq(Could not remove link: $task->{'path'}));
} }
@ -1126,9 +1109,7 @@ sub process_tasks {
sub is_a_link { sub is_a_link {
my ($path) = @_; my ($path) = @_;
if (exists $Link_Task_For{$path}) {
if ( exists $Link_Task_For{$path} ) {
my $action = $Link_Task_For{$path}->{'action'}; my $action = $Link_Task_For{$path}->{'action'};
if ($action eq 'remove') { if ($action eq 'remove') {
@ -1145,9 +1126,9 @@ sub is_a_link {
# check if any of its parent are links scheduled for removal # check if any of its parent are links scheduled for removal
# (need this for edge case during unfolding) # (need this for edge case during unfolding)
my $parent = ''; my $parent = '';
for my $part (split m{/+}, $path ) { for my $part (split m{/+}, $path) {
$parent = join_paths($parent,$part); $parent = join_paths($parent, $part);
if ( exists $Link_Task_For{$parent} ) { if (exists $Link_Task_For{$parent}) {
if ($Link_Task_For{$parent}->{'action'} eq 'remove') { if ($Link_Task_For{$parent}->{'action'} eq 'remove') {
return 0; return 0;
} }
@ -1172,7 +1153,7 @@ sub is_a_link {
sub is_a_dir { sub is_a_dir {
my ($path) = @_; my ($path) = @_;
if ( exists $Dir_Task_For{$path} ) { if (exists $Dir_Task_For{$path}) {
my $action = $Dir_Task_For{$path}->{'action'}; my $action = $Dir_Task_For{$path}->{'action'};
if ($action eq 'remove') { if ($action eq 'remove') {
return 0; return 0;
@ -1188,7 +1169,7 @@ sub is_a_dir {
# are we really following a link that is scheduled for removal # are we really following a link that is scheduled for removal
my $prefix = ''; my $prefix = '';
for my $part (split m{/+}, $path) { for my $part (split m{/+}, $path) {
$prefix = join_paths($prefix,$part); $prefix = join_paths($prefix, $part);
if (exists $Link_Task_For{$prefix} and if (exists $Link_Task_For{$prefix} and
$Link_Task_For{$prefix}->{'action'} eq 'remove') { $Link_Task_For{$prefix}->{'action'} eq 'remove') {
return 0; return 0;
@ -1214,8 +1195,7 @@ sub is_a_dir {
sub is_a_node { sub is_a_node {
my ($path) = @_; my ($path) = @_;
if ( exists $Link_Task_For{$path} ) { if (exists $Link_Task_For{$path}) {
my $action = $Link_Task_For{$path}->{'action'}; my $action = $Link_Task_For{$path}->{'action'};
if ($action eq 'remove') { if ($action eq 'remove') {
@ -1229,8 +1209,7 @@ sub is_a_node {
} }
} }
if ( exists $Dir_Task_For{$path} ) { if (exists $Dir_Task_For{$path}) {
my $action = $Dir_Task_For{$path}->{'action'}; my $action = $Dir_Task_For{$path}->{'action'};
if ($action eq 'remove') { if ($action eq 'remove') {
@ -1247,8 +1226,8 @@ sub is_a_node {
# are we really following a link that is scheduled for removal # are we really following a link that is scheduled for removal
my $prefix = ''; my $prefix = '';
for my $part (split m{/+}, $path) { for my $part (split m{/+}, $path) {
$prefix = join_paths($prefix,$part); $prefix = join_paths($prefix, $part);
if ( exists $Link_Task_For{$prefix} and if (exists $Link_Task_For{$prefix} and
$Link_Task_For{$prefix}->{'action'} eq 'remove') { $Link_Task_For{$prefix}->{'action'} eq 'remove') {
return 0; return 0;
} }
@ -1270,10 +1249,9 @@ sub is_a_node {
# Comments : none # Comments : none
#============================================================================ #============================================================================
sub read_a_link { sub read_a_link {
my ($path) = @_; my ($path) = @_;
if ( exists $Link_Task_For{$path} ) { if (exists $Link_Task_For{$path}) {
my $action = $Link_Task_For{$path}->{'action'}; my $action = $Link_Task_For{$path}->{'action'};
if ($action eq 'create') { if ($action eq 'create') {
@ -1304,23 +1282,21 @@ sub read_a_link {
# Comments : cleans up operations that undo previous operations # Comments : cleans up operations that undo previous operations
#============================================================================ #============================================================================
sub do_link { sub do_link {
my ($oldfile, $newfile) = @_;
my ( $oldfile, $newfile ) = @_; if (exists $Dir_Task_For{$newfile}) {
if ( exists $Dir_Task_For{$newfile} ) {
my $task_ref = $Dir_Task_For{$newfile}; my $task_ref = $Dir_Task_For{$newfile};
if ( $task_ref->{'action'} eq 'create' ) { if ($task_ref->{'action'} eq 'create') {
if ($task_ref->{'type'} eq 'dir') { if ($task_ref->{'type'} eq 'dir') {
internal_error( internal_error(
"new link (%s => %s ) clashes with planned new directory", "new link (%s => %s) clashes with planned new directory",
$newfile, $newfile,
$oldfile, $oldfile,
); );
} }
} }
elsif ( $task_ref->{'action'} eq 'remove' ) { elsif ($task_ref->{'action'} eq 'remove') {
# we may need to remove a directory before creating a link so continue; # we may need to remove a directory before creating a link so continue;
} }
else { else {
@ -1328,12 +1304,11 @@ sub do_link {
} }
} }
if ( exists $Link_Task_For{$newfile} ) { if (exists $Link_Task_For{$newfile}) {
my $task_ref = $Link_Task_For{$newfile}; my $task_ref = $Link_Task_For{$newfile};
if ( $task_ref->{'action'} eq 'create' ) { if ($task_ref->{'action'} eq 'create') {
if ( $task_ref->{'source'} ne $oldfile ) { if ($task_ref->{'source'} ne $oldfile) {
internal_error( internal_error(
"new link clashes with planned new link: %s => %s", "new link clashes with planned new link: %s => %s",
$task_ref->{'path'}, $task_ref->{'path'},
@ -1345,8 +1320,8 @@ sub do_link {
return; return;
} }
} }
elsif ( $task_ref->{'action'} eq 'remove' ) { elsif ($task_ref->{'action'} eq 'remove') {
if ( $task_ref->{'source'} eq $oldfile ) { if ($task_ref->{'source'} eq $oldfile) {
# no need to remove a link we are going to recreate # no need to remove a link we are going to recreate
debug(1, "LINK: $newfile => $oldfile (reverts previous action)"); debug(1, "LINK: $newfile => $oldfile (reverts previous action)");
$Link_Task_For{$newfile}->{'action'} = 'skip'; $Link_Task_For{$newfile}->{'action'} = 'skip';
@ -1383,16 +1358,15 @@ sub do_link {
# Comments : will remove an existing planned link # Comments : will remove an existing planned link
#============================================================================ #============================================================================
sub do_unlink { sub do_unlink {
my ($file) = @_; my ($file) = @_;
if (exists $Link_Task_For{$file} ) { if (exists $Link_Task_For{$file}) {
my $task_ref = $Link_Task_For{$file}; my $task_ref = $Link_Task_For{$file};
if ( $task_ref->{'action'} eq 'remove' ) { if ($task_ref->{'action'} eq 'remove') {
debug(1, "UNLINK: $file (duplicates previous action)"); debug(1, "UNLINK: $file (duplicates previous action)");
return; return;
} }
elsif ( $task_ref->{'action'} eq 'create' ) { elsif ($task_ref->{'action'} eq 'create') {
# do need to create a link then remove it # do need to create a link then remove it
debug(1, "UNLINK: $file (reverts previous action)"); debug(1, "UNLINK: $file (reverts previous action)");
$Link_Task_For{$file}->{'action'} = 'skip'; $Link_Task_For{$file}->{'action'} = 'skip';
@ -1404,7 +1378,7 @@ sub do_unlink {
} }
} }
if ( exists $Dir_Task_For{$file} and $Dir_Task_For{$file} eq 'create' ) { if (exists $Dir_Task_For{$file} and $Dir_Task_For{$file} eq 'create') {
internal_error( internal_error(
"new unlink operation clashes with planned operation: %s dir %s", "new unlink operation clashes with planned operation: %s dir %s",
$Dir_Task_For{$file}->{'action'}, $Dir_Task_For{$file}->{'action'},
@ -1443,8 +1417,7 @@ sub do_unlink {
sub do_mkdir { sub do_mkdir {
my ($dir) = @_; my ($dir) = @_;
if ( exists $Link_Task_For{$dir} ) { if (exists $Link_Task_For{$dir}) {
my $task_ref = $Link_Task_For{$dir}; my $task_ref = $Link_Task_For{$dir};
if ($task_ref->{'action'} eq 'create') { if ($task_ref->{'action'} eq 'create') {
@ -1462,8 +1435,7 @@ sub do_mkdir {
} }
} }
if ( exists $Dir_Task_For{$dir} ) { if (exists $Dir_Task_For{$dir}) {
my $task_ref = $Dir_Task_For{$dir}; my $task_ref = $Dir_Task_For{$dir};
if ($task_ref->{'action'} eq 'create') { if ($task_ref->{'action'} eq 'create') {
@ -1506,7 +1478,7 @@ sub do_mkdir {
sub do_rmdir { sub do_rmdir {
my ($dir) = @_; my ($dir) = @_;
if (exists $Link_Task_For{$dir} ) { if (exists $Link_Task_For{$dir}) {
my $task_ref = $Link_Task_For{$dir}; my $task_ref = $Link_Task_For{$dir};
internal_error( internal_error(
"rmdir clashes with planned operation: %s link %s => %s", "rmdir clashes with planned operation: %s link %s => %s",
@ -1516,14 +1488,14 @@ sub do_rmdir {
); );
} }
if (exists $Dir_Task_For{$dir} ) { if (exists $Dir_Task_For{$dir}) {
my $task_ref = $Link_Task_For{$dir}; my $task_ref = $Link_Task_For{$dir};
if ($task_ref->{'action'} eq 'remove' ) { if ($task_ref->{'action'} eq 'remove') {
debug(1, "RMDIR $dir (duplicates previous action)"); debug(1, "RMDIR $dir (duplicates previous action)");
return; return;
} }
elsif ($task_ref->{'action'} eq 'create' ) { elsif ($task_ref->{'action'} eq 'create') {
debug(1, "MKDIR $dir (reverts previous action)"); debug(1, "MKDIR $dir (reverts previous action)");
$Link_Task_For{$dir}->{'action'} = 'skip'; $Link_Task_For{$dir}->{'action'} = 'skip';
delete $Link_Task_For{$dir}; delete $Link_Task_For{$dir};
@ -1562,7 +1534,6 @@ sub do_rmdir {
# Comments : none # Comments : none
#============================================================================= #=============================================================================
sub strip_quotes { sub strip_quotes {
my ($string) = @_; my ($string) = @_;
if ($string =~ m{\A\s*'(.*)'\s*\z}) { if ($string =~ m{\A\s*'(.*)'\s*\z}) {
@ -1584,7 +1555,6 @@ sub strip_quotes {
# : '//' => '/' and 'a/b/../c' => 'a/c' # : '//' => '/' and 'a/b/../c' => 'a/c'
#============================================================================ #============================================================================
sub join_paths { sub join_paths {
my @paths = @_; my @paths = @_;
# weed out empty components and concatenate # weed out empty components and concatenate
@ -1593,7 +1563,7 @@ sub join_paths {
# factor out back references and remove redundant /'s) # factor out back references and remove redundant /'s)
my @result = (); my @result = ();
PART: PART:
for my $part ( split m{/+}, $result) { for my $part (split m{/+}, $result) {
next PART if $part eq '.'; next PART if $part eq '.';
if (@result && $part eq '..' && $result[-1] ne '..') { if (@result && $part eq '..' && $result[-1] ne '..') {
pop @result; pop @result;
@ -1632,8 +1602,8 @@ sub parent {
# Comments : none # Comments : none
#============================================================================ #============================================================================
sub internal_error { sub internal_error {
my ($format,@args) = @_; my ($format, @args) = @_;
die "$ProgramName: INTERNAL ERROR: ".sprintf($format,@args)."\n", die "$ProgramName: INTERNAL ERROR: " . sprintf($format, @args) . "\n",
"This _is_ a bug. Please submit a bug report so we can fix it:-)\n"; "This _is_ a bug. Please submit a bug report so we can fix it:-)\n";
} }
@ -1646,8 +1616,8 @@ sub internal_error {
# Comments : none # Comments : none
#============================================================================ #============================================================================
sub error { sub error {
my ($format,@args) = @_; my ($format, @args) = @_;
die "$ProgramName: ERROR: ".sprintf($format,@args)." ($!)\n"; die "$ProgramName: ERROR: " . sprintf($format, @args) . " ($!)\n";
} }
#===== SUBROUTINE =========================================================== #===== SUBROUTINE ===========================================================

2
t/util.pm
View file

@ -75,7 +75,7 @@ sub make_file {
or die "could not create file: $path ($!)\n"; or die "could not create file: $path ($!)\n";
close $FILE; close $FILE;
} }
elsif ( not -f $path) { elsif (not -f $path) {
die "a non-file already exists at $path\n"; die "a non-file already exists at $path\n";
} }
return; return;