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Fix watching symlinked paths with FSEvents.

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The events reported always use the canonical path, which broke the relative path logic. TO counter this, the canonical path is now determined explicitly.
This commit is contained in:
Sönke Ludwig 2020-05-27 17:56:28 +02:00
parent a77f626b97
commit 9120982bed
1 changed files with 19 additions and 3 deletions
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22
source/eventcore/drivers/posix/watchers.d
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@ -228,14 +228,30 @@ final class FSEventsEventDriverWatchers(Events : EventDriverEvents) : EventDrive
final override WatcherID watchDirectory(string path, bool recursive, FileChangesCallback on_change)
@trusted {
import std.path : absolutePath;
import std.file : isSymlink, readLink;
import std.path : absolutePath, buildPath, buildNormalizedPath, dirName, pathSplitter;
FSEventStreamContext ctx;
ctx.info = () @trusted { return cast(void*)this; } ();
static string resolveSymlinks(string path)
{
string res;
foreach (ps; path.pathSplitter) {
if (!res.length) res = ps;
else res = buildPath(res, ps);
if (isSymlink(res)) {
res = readLink(res).absolutePath(dirName(res));
}
}
return res.buildNormalizedPath;
}
string abspath;
try abspath = absolutePath(path);
catch (Exception e) assert(false, e.msg);
try abspath = resolveSymlinks(absolutePath(path));
catch (Exception e) {
return WatcherID.invalid;
}
if (m_handleCounter == 0) {
m_handleCounter++;