Add a contributing doc + ncdu 1.16

27 files changed, 186 insertions, 20 deletions

diff --git a/.gitignore b/.gitignore
index 6b5a8e5..542e5f9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,6 +41,7 @@ dat/tuwf/man/xml.pod
 dat/ylib.md
 dat/ylib.pod
 dat/yxml/man.md
+pub/contributing.html
 pub/doc.html
 pub/doc/commvis.html
 pub/doc/dcstats.html
diff --git a/Makefile b/Makefile
index 963b19d..ca59a6d 100644
--- a/Makefile
+++ b/Makefile
@@ -14,6 +14,7 @@
 #         file which is then converted into .html again with the proper template.
 #   .log: A ChangeLog-formatted file, converted through .md into .html.
 PAGES=\
+	"contributing.md"\
 	"doc.md"\
 	"doc/commvis.md"\
 	"doc/dcstats.md"\
diff --git a/dat/contributing.md b/dat/contributing.md
new file mode 100644
index 0000000..03ace1d
--- /dev/null
+++ b/dat/contributing.md
@@ -0,0 +1,44 @@
+% Want to contribute?
+
+Every free/open source software project is run in a different way. To set the
+right expectations and prevent disappointment and/or wasted effort, here's a
+few notes on how I deal with contributions.
+
+**Feedback** of any kind is always welcome, but I make no promise that I will
+act on it. Feel free to open an issue on [my Gitea
+instance](https://code.blicky.net/yorhel) or mail me at
+[projects@yorhel.nl](mailto:projects@yorhel.nl).
+
+I love **bug reports**, so don't hesitate to report anything that doesn't work
+or doesn't work as you had expected.  Whether I will actually fix it depends on
+the nature of the bug, of course, but I do very much value stable and reliable
+software.
+
+**Feature requests** are welcome, but I tend to not act on most of them and may
+sometimes outright reject a feature if it seems out of scope. It's still good
+to have a list of potential features to work on if I feel like making myself
+useful, so new ideas are nonetheless appreciated.
+
+Feel free to send **patches** and **pull requests** for trivial fixes for
+simple bugs, documentation issues, typos, etc. If the change is trivial to
+review and improves the software in a noticeable way, I'm happy to apply it.
+Don't bother submitting patches for things that don't noticeably improve the
+software. I don't give a damn about compiler warnings when they don't affect
+the correctness of the code. Slight inconsistencies in code style or typos in
+variable names or comments (i.e. non-user visible parts) don't really need
+fixing, either.
+
+When it comes to patches or pull requests for larger fixes or new features, I
+strongly advise you to get in touch first to discuss your planned changes.
+After all, there's a good chance I already have opinions about it. Generally
+speaking, I have no intention to merge code that I haven't thoroughly reviewed,
+and I enjoy programming much more than I enjoy reviewing other people's code,
+so just throwing patches over the fence and expecting me to merge anything is a
+recipe for disappointment.
+
+If you use my software in combination with **proprietary software** or a
+proprietary OS (MacOS, Windows), then you're mostly on your own. I write free
+software because I care about user freedom, so I'm not inclined to spend time
+and effort improving my code to better work with software that I don't plan to
+ever use. I may accept the occasional fix if it's simple enough, but I've no
+intention to bend over backwards.
diff --git a/dat/index.md b/dat/index.md
index ac21bab..079a3eb 100644
--- a/dat/index.md
+++ b/dat/index.md
@@ -20,6 +20,12 @@ the incidental article on this site. Enjoy your stay!
 <!-- These announcements are parsed by mkfeed.pl, see that file for formatting -->
 ## Announcements <a href="/feed.atom"><img src="/img/feed_icon.png" alt="Atom feed"></a>
 
+`2021-07-02` - ncdu 1.16 released <!-- tags: ncdu, link: /ncdu -->
+:   A minor feature & bugfix release. This adds dynamic sizing of the file size
+    bar, an `$NCDU_LEVEL` environment variable when spawning a subshell, more
+    file mode flags and allows for a few future extensions to the JSON dump
+    format. [Ncdu homepage](/ncdu) - [Changelog](/ncdu/changes).
+
 `2020-10-22` - nginx-confgen 2.0 released <!-- link: /nginx-confgen -->
 :   Completely rewritten in C for easier, more portable and more lightweight
     builds. Variables are now globally scoped, `pre_if` supports braces,
diff --git a/dat/ncdu.md b/dat/ncdu.md
index 83c05f4..e1c6b68 100644
--- a/dat/ncdu.md
+++ b/dat/ncdu.md
@@ -9,13 +9,13 @@ POSIX-like environment with ncurses installed.
 ## Download
 
 Latest version
-:   1.15.1 ([ncdu-1.15.1.tar.gz](/download/ncdu-1.15.1.tar.gz) - [changes](/ncdu/changes))
+:   1.16 ([ncdu-1.16.tar.gz](/download/ncdu-1.16.tar.gz) - [changes](/ncdu/changes))
 
     I also have convenient static binaries for Linux
-    [i486](/download/ncdu-linux-i486-1.15.1.tar.gz),
-    [x86_64](/download/ncdu-linux-x86_64-1.15.1.tar.gz),
-    [ARM](/download/ncdu-linux-arm-1.15.1.tar.gz) and
-    [AArch64](/download/ncdu-linux-aarch64-1.15.1.tar.gz). Download, extract
+    [i486](/download/ncdu-linux-i486-1.16.tar.gz),
+    [x86_64](/download/ncdu-linux-x86_64-1.16.tar.gz),
+    [ARM](/download/ncdu-linux-arm-1.16.tar.gz) and
+    [AArch64](/download/ncdu-linux-aarch64-1.16.tar.gz). Download, extract
     and run; no compilation or installation necessary (uses
     [musl](http://www.musl-libc.org/)).
 
@@ -72,6 +72,9 @@ A port to z/OS is available [here](https://dovetail.com/community/ncdu.html).
 
 - [Duc](http://duc.zevv.nl/) - Multiple user interfaces.
 - [gt5](http://gt5.sourceforge.net/) - Quite similar to ncdu, but a different approach.
+- [gdu](https://github.com/dundee/gdu) - Go disk usage analyzer inspired by ncdu.
+- [dua](https://github.com/Byron/dua-cli) - Rust disk usage analyzer.
+- [godu](https://github.com/viktomas/godu) - Another Go disk usage analyzer, with a slightly different browser UI.
 - [tdu](http://webonastick.com/tdu/) - Another small ncurses-based disk usage visualization utility.
 - [tdu](https://bitbucket.org/josephpaul0/tdu) - Go command-line tool with ncdu JSON export.
 - [TreeSize](http://treesize.sourceforge.net/) - GTK, using a treeview.
@@ -83,3 +86,4 @@ A port to z/OS is available [here](https://dovetail.com/community/ncdu.html).
 - [xdiskusage](http://xdiskusage.sourceforge.net/) - FLTK, with a treemap display.
 - [fsv](http://fsv.sourceforge.net/) - 3D visualization.
 - [Philesight](http://zevv.nl/play/code/philesight/) - Web-based clone of Filelight.
+- [psHFO](https://github.com/FrankieDevOp/psdu) - Human-friendly du for PowerShell.
diff --git a/dat/ncdu/jsonfmt.md b/dat/ncdu/jsonfmt.md
index 15a63c0..280ea9c 100644
--- a/dat/ncdu/jsonfmt.md
+++ b/dat/ncdu/jsonfmt.md
@@ -19,17 +19,18 @@ object is an array:
 ## Versioning
 
 The `<majorver>` and `<minorver>` elements indicate the version of
-the file format. These are numbers with accepted values in the range of `0
-<= version <= 10000`. Major version must be `1`. Minor version is `0` for
-ncdu 1.9 till 1.12, and `1` since ncdu 1.13 for the addition of the extended
-mode. The major version should increase if backwards-incompatible changes are
-made (preferably never), the minor version can be increased to indicate
-additions to the existing format.
+the file format. These are numbers with accepted values in the range of
+`0 <= version <= 10000`. Major version must be `1`. Minor version is `0` for
+ncdu 1.9 till 1.12, `1` for ncdu 1.13 till 1.15.2 for the addition of the
+extended mode and `2` since ncdu 1.16 for the addition of the `nlink` field.
+The major version should increase if backwards-incompatible changes are made
+(preferably never), the minor version can be increased to indicate additions to
+the existing format.
 
 ## Metadata
 
 The `<metadata>` element is a JSON object holding whatever (short) metadata
-you'd want. This block is currently (1.9-1.14.2) ignored by ncdu when
+you'd want. This block is currently (1.9-1.16) ignored by ncdu when
 importing, but it writes out the following keys when exporting:
 
 progname
@@ -94,15 +95,18 @@ dev
 ino
 :   Number. Inode number as reported by `lstat().st_ino`. Together with the Device
     ID this uniquely identifies a file in this dump. In the case of hard links, two
-    objects may appear with the same (`dev`,`ino`) combination. A value of 0 is
-    assumed if this field is absent. This is currently (ncdu 1.9-1.14.2) not a
-    problem as long as the `hlnkc` field is false, otherwise it will consider
-    everything with the same `dev` and empty `ino` values as a single hardlinked
-    file. Accepted values are in the range of `0 <= ino < 2^64`.
+    objects may appear with the same (`dev`,`ino`) combination. As of ncdu
+    1.16, this field is only exported if `st_nlink > 1`. A value of 0 is
+    assumed if this field is absent, which is fine as long as the `hlnkc` field
+    is false and `nlink` is 1, otherwise everything with the same `dev` and
+    empty `ino` values will be considered as a single hardlinked file.
+    Accepted values are in the range of `0 <= ino < 2^64`.
 
 hlnkc
-:   Boolean. `true` if this is a file with `lstat().st_nlink > 1`. If absent,
-    `false` is assumed.
+:   Boolean. `true` if this is a file with `lstat().st_nlink > 1`. This field
+    redundant if the `nlink` field is also set, but is still included in new
+    dumps for backwards compatibility with ncdu versions prior to 1.16. If both
+    this and the `nlink` fields are absent, `false` is assumed.
 
 read\_error
 :   Boolean. `true` if something went wrong while reading this entry. I.e. the
@@ -139,6 +143,12 @@ excluded
     interpreted to be equivalent to "pattern". This field should be absent if the
     item has not been excluded from the calculation.
 
+nlink
+:   (since ncdu 1.16) Number, the value of `lstat().st_nlink`. If this field is
+    present and has a value larger than 1, this file is considered for hardlink
+    counting.  Accepted values are in the range `1 <= nlink < 2^32`. If absent,
+    `1` is assumed.
+
 notreg
 :   Boolean. This is `true` if neither S\_ISREG() nor S\_ISDIR() evaluates to true.
     I.e. this is a symlink, character device, block device, FIFO, socket, or
@@ -166,7 +176,9 @@ mode
 
 mtime
 :   Number, last modification time as a UNIX timestamp. Accepted range:
-    `0 <= mtime < 2^64`.
+    `0 <= mtime < 2^64`. As of ncdu 1.16, this number may also include an
+    (infinite precision) decimal part for fractional seconds, though the
+    decimal part is (currently) discarded during import.
 
 ## Miscellaneous notes
 
diff --git a/pub/download/ncdu-1.16.tar.gz.asc b/pub/download/ncdu-1.16.tar.gz.asc
new file mode 100644
index 0000000..cb81885
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new file mode 100644
index 0000000..18af33e
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new file mode 100644
index 0000000..1ae4152
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new file mode 100644
index 0000000..f80b268
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index 0000000..8480e9e
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diff --git a/template.html b/template.html
index 0eb6caa..516f3ad 100644
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+++ b/template.html
@@ -123,6 +123,9 @@
                         <li><a href="/" class="small special">Projects home </a></li>
                     </ul>
                     $endif$
+                    <ul>
+                        <li><a href="/contributing.html" class="small item1-contributing">Contributing</a></li>
+                    </ul>
                 </nav>
 
                 <p>