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give more helpful conflict messages

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adam 2011-10-24 16:01:33 +00:00 committed by Adam Spiers
parent ec7d169446
commit 024404df48
1 changed files with 26 additions and 24 deletions
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50
Stow.pm
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@ -382,11 +382,11 @@ sub StowDir {
warn "Stowing directory $dir\n" if ($opts{verbose} > 1);
my $subdirPath = &JoinPaths($opts{target}, $subdir);
if (-l $subdirPath) {
my $targetSubdirPath = &JoinPaths($opts{target}, $subdir);
if (-l $targetSubdirPath) {
# We found a link; now let's see if we should remove it.
my $linktarget = readlink($subdirPath);
$linktarget or die "$RealScript: Could not read link $subdirPath ($!)\n";
my $linktarget = readlink($targetSubdirPath);
$linktarget or die "$RealScript: Could not read link $targetSubdirPath ($!)\n";
# Does the link point to somewhere within the stow directory?
my $stowsubdir = &FindStowMember(
@ -395,43 +395,43 @@ sub StowDir {
);
unless ($stowsubdir) {
# No, so we can't touch it.
&Conflict($dir, $subdir, 1);
&Conflict($dir, $subdir, "link doesn't point within stow dir; cannot split open");
return;
}
# Yes it does.
if (-e &JoinPaths($opts{stow}, $stowsubdir)) {
my $stowSubdirPath = &JoinPaths($opts{stow}, $stowsubdir);
if (-e $stowSubdirPath) {
if ($stowsubdir eq $dir) {
warn sprintf("%s already points to %s\n",
$subdirPath,
&JoinPaths($opts{stow}, $dir))
if ($opts{verbose} > 2);
warn "$targetSubdirPath already points to $stowSubdirPath\n"
if $opts{verbose} > 2;
return;
}
if (-d &JoinPaths($opts{stow}, $stowsubdir)) {
if (-d $stowSubdirPath) {
# This is the splitting open of a folded tree which the stow
# manual refers to.
&DoUnlink($subdirPath);
&DoMkdir($subdirPath);
&DoUnlink($targetSubdirPath);
&DoMkdir($targetSubdirPath);
&StowContents($stowsubdir, &JoinPaths('..', $stow));
&StowContents($dir, &JoinPaths('..', $stow));
} else {
(&Conflict($dir, $subdir, 2), return);
&Conflict($dir, $subdir, "$stowSubdirPath exists but not a directory");
return;
}
} else {
&DoUnlink($subdirPath);
&DoUnlink($targetSubdirPath);
&DoLink(&JoinPaths($stow, $dir),
$subdirPath);
$targetSubdirPath);
}
} elsif (-e $subdirPath) {
if (-d $subdirPath) {
} elsif (-e $targetSubdirPath) {
if (-d $targetSubdirPath) {
&StowContents($dir, &JoinPaths('..', $stow));
} else {
&Conflict($dir, $subdir, 3);
&Conflict($dir, $subdir, "$targetSubdirPath exists but not a directory");
}
} else {
&DoLink(&JoinPaths($stow, $dir),
$subdirPath);
$targetSubdirPath);
}
}
@ -450,12 +450,14 @@ sub StowNondir {
$linktarget
);
if (! $stowsubfile) {
&Conflict($file, $subfile, 4);
&Conflict($file, $subfile, "$subfilePath symlink did not point within stow dir");
return;
}
if (-e &JoinPaths($opts{stow}, $stowsubfile)) {
(&Conflict($file, $subfile, 5), return)
unless ($stowsubfile eq $file);
if ($stowsubfile ne $file) {
&Conflict($file, $subfile, "$subfilePath pointed to something else within stow dir");
return;
}
warn sprintf("%s already points to %s\n",
$subfilePath,
&JoinPaths($opts{stow}, $file))
@ -465,7 +467,7 @@ sub StowNondir {
&DoLink(&JoinPaths($stow, $file), $subfilePath);
}
} elsif (-e $subfilePath) {
&Conflict($file, $subfile, 6);
&Conflict($file, $subfile, "$subfilePath exists but is not a symlink");
} else {
&DoLink(&JoinPaths($stow, $file), $subfilePath);
}