py-zensical: add upstream patch for better NetBSD support

[Thomas Klausner (via pkgsrc-wip) <commit-notify%pkgsrc.org@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Thomas Klausner <wiz%NetBSD.org@localhost>
Pushed By:	wiz
Date:		Mon May 18 12:38:54 2026 +0200
Changeset:	24728bd22ddf55461ef3567d3077465443ee7bc1

Modified Files:
	py-zensical/distinfo
Added Files:
	py-zensical/patches/patch-crates_zensical_src_watcher.rs

Log Message:
py-zensical: add upstream patch for better NetBSD support

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=24728bd22ddf55461ef3567d3077465443ee7bc1

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 py-zensical/distinfo                               |  1 +
 .../patches/patch-crates_zensical_src_watcher.rs   | 40 ++++++++++++++++++++++
 2 files changed, 41 insertions(+)

diffs:
diff --git a/py-zensical/distinfo b/py-zensical/distinfo
index be567277dd..7a3fdca931 100644
--- a/py-zensical/distinfo
+++ b/py-zensical/distinfo
@@ -513,3 +513,4 @@ Size (zrx-store-0.0.10.crate) = 26856 bytes
 BLAKE2s (zrx-stream-0.0.21.crate) = 3b603d1c1fd68c56a47fa9bc8742579ab86d3d0d92cce2e442380a190dfdc439
 SHA512 (zrx-stream-0.0.21.crate) = 9dac8628623d547088dc9bdbbc9c5b3401153847b2de5dd3cdaeafe5c01cf4ffb0b19ce37a026da8898dc8b180c45802715eb9002297e16a6b961389f2364d00
 Size (zrx-stream-0.0.21.crate) = 18427 bytes
+SHA1 (patch-crates_zensical_src_watcher.rs) = f19277cb8fc341e30f2aabd04c87c40be0783ea5
diff --git a/py-zensical/patches/patch-crates_zensical_src_watcher.rs b/py-zensical/patches/patch-crates_zensical_src_watcher.rs
new file mode 100644
index 0000000000..d60bc706b6
--- /dev/null
+++ b/py-zensical/patches/patch-crates_zensical_src_watcher.rs
@@ -0,0 +1,40 @@
+$NetBSD$
+
+https://github.com/zensical/zensical/pull/696
+
+--- crates/zensical/src/watcher.rs.orig	2006-07-24 01:21:28.000000000 +0000
++++ crates/zensical/src/watcher.rs
+@@ -28,6 +28,7 @@ use std::collections::BTreeSet;
+ use crossbeam::channel::Sender;
+ use mio::Waker;
+ use std::collections::BTreeSet;
++use std::ffi::OsStr;
+ use std::fs;
+ use std::path::{Path, PathBuf};
+ use std::sync::Arc;
+@@ -227,7 +228,24 @@ impl Watcher {
+         // Watch docs and template directories
+         agent.watch(&config.path)?;
+         for theme_dir in &config.theme_dirs {
+-            agent.watch(theme_dir)?;
++            // Skip `.icons` directory. On NetBSD, inotify uses the kqueue
++            // backend which opens one file descriptor per file/directory,
++            // quickly reaching any file descriptor limit set on the system.
++            match fs::read_dir(theme_dir) {
++                Ok(entries) => {
++                    for entry in entries.flatten() {
++                        let path = entry.path();
++                        if path.file_name() != Some(OsStr::new(".icons")) {
++                            agent.watch(&path)?;
++                        }
++                    }
++                }
++                Err(_) => {
++                    // Fall back to watching the whole theme directory if we
++                    // cannot enumerate its contents for any reason.
++                    agent.watch(theme_dir)?;
++                }
++            }
+         }
+ 
+         // Watch files used by extensions