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authorYorhel <git@yorhel.nl>2021-07-31 07:33:47 +0200
committerYorhel <git@yorhel.nl>2021-07-31 07:33:47 +0200
commit38b35f30b448a3156e6010c06e7b62615d04f6f9 (patch)
treea8fa473270b10a62f724307ef6a452f7fa05e38f
parentecb76f9797489059e1ef50ab6c4409b878f48260 (diff)
Ncdu 2 announcement + beta releasesHEADmaster
-rw-r--r--.gitignore1
-rw-r--r--Makefile1
-rw-r--r--dat/doc.md2
-rw-r--r--dat/doc/ncdu2.md328
-rw-r--r--dat/index.md5
-rw-r--r--dat/ncdu.md31
-rwxr-xr-xmkchangelog.pl5
-rw-r--r--pub/download/ncdu-2.0-beta1-linux-aarch64.tar.gz.asc16
-rw-r--r--pub/download/ncdu-2.0-beta1-linux-aarch64.tar.gz.md51
-rw-r--r--pub/download/ncdu-2.0-beta1-linux-aarch64.tar.gz.sha11
-rw-r--r--pub/download/ncdu-2.0-beta1-linux-aarch64.tar.gz.sha2561
-rw-r--r--pub/download/ncdu-2.0-beta1-linux-arm.tar.gz.asc16
-rw-r--r--pub/download/ncdu-2.0-beta1-linux-arm.tar.gz.md51
-rw-r--r--pub/download/ncdu-2.0-beta1-linux-arm.tar.gz.sha11
-rw-r--r--pub/download/ncdu-2.0-beta1-linux-arm.tar.gz.sha2561
-rw-r--r--pub/download/ncdu-2.0-beta1-linux-i386.tar.gz.asc16
-rw-r--r--pub/download/ncdu-2.0-beta1-linux-i386.tar.gz.md51
-rw-r--r--pub/download/ncdu-2.0-beta1-linux-i386.tar.gz.sha11
-rw-r--r--pub/download/ncdu-2.0-beta1-linux-i386.tar.gz.sha2561
-rw-r--r--pub/download/ncdu-2.0-beta1-linux-x86_64.tar.gz.asc16
-rw-r--r--pub/download/ncdu-2.0-beta1-linux-x86_64.tar.gz.md51
-rw-r--r--pub/download/ncdu-2.0-beta1-linux-x86_64.tar.gz.sha11
-rw-r--r--pub/download/ncdu-2.0-beta1-linux-x86_64.tar.gz.sha2561
-rw-r--r--pub/download/ncdu-2.0-beta1.tar.gz.asc16
-rw-r--r--pub/download/ncdu-2.0-beta1.tar.gz.md51
-rw-r--r--pub/download/ncdu-2.0-beta1.tar.gz.sha11
-rw-r--r--pub/download/ncdu-2.0-beta1.tar.gz.sha2561
-rw-r--r--pub/download/ncdu-2.0-beta2-linux-aarch64.tar.gz.asc16
-rw-r--r--pub/download/ncdu-2.0-beta2-linux-aarch64.tar.gz.md51
-rw-r--r--pub/download/ncdu-2.0-beta2-linux-aarch64.tar.gz.sha11
-rw-r--r--pub/download/ncdu-2.0-beta2-linux-aarch64.tar.gz.sha2561
-rw-r--r--pub/download/ncdu-2.0-beta2-linux-arm.tar.gz.asc16
-rw-r--r--pub/download/ncdu-2.0-beta2-linux-arm.tar.gz.md51
-rw-r--r--pub/download/ncdu-2.0-beta2-linux-arm.tar.gz.sha11
-rw-r--r--pub/download/ncdu-2.0-beta2-linux-arm.tar.gz.sha2561
-rw-r--r--pub/download/ncdu-2.0-beta2-linux-i386.tar.gz.asc16
-rw-r--r--pub/download/ncdu-2.0-beta2-linux-i386.tar.gz.md51
-rw-r--r--pub/download/ncdu-2.0-beta2-linux-i386.tar.gz.sha11
-rw-r--r--pub/download/ncdu-2.0-beta2-linux-i386.tar.gz.sha2561
-rw-r--r--pub/download/ncdu-2.0-beta2-linux-x86_64.tar.gz.asc16
-rw-r--r--pub/download/ncdu-2.0-beta2-linux-x86_64.tar.gz.md51
-rw-r--r--pub/download/ncdu-2.0-beta2-linux-x86_64.tar.gz.sha11
-rw-r--r--pub/download/ncdu-2.0-beta2-linux-x86_64.tar.gz.sha2561
-rw-r--r--pub/download/ncdu-2.0-beta2.tar.gz.asc16
-rw-r--r--pub/download/ncdu-2.0-beta2.tar.gz.md51
-rw-r--r--pub/download/ncdu-2.0-beta2.tar.gz.sha11
-rw-r--r--pub/download/ncdu-2.0-beta2.tar.gz.sha2561
-rw-r--r--pub/img/ncdu2-shared.pngbin0 -> 23494 bytes
-rw-r--r--pub/img/ncdu2-unique.pngbin0 -> 22137 bytes
-rw-r--r--pub/img/ncdu2.pngbin0 -> 6971 bytes
-rw-r--r--pub/style.css5
51 files changed, 553 insertions, 15 deletions
diff --git a/.gitignore b/.gitignore
index 542e5f9..d30bbee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -47,6 +47,7 @@ pub/doc/commvis.html
pub/doc/dcstats.html
pub/doc/easyipc.html
pub/doc/funcweb.html
+pub/doc/ncdu2.html
pub/doc/pwlookup.html
pub/doc/sqlaccess.html
pub/doc/sqlobject.html
diff --git a/Makefile b/Makefile
index ca59a6d..1b07df8 100644
--- a/Makefile
+++ b/Makefile
@@ -20,6 +20,7 @@ PAGES=\
"doc/dcstats.md"\
"doc/easyipc.md"\
"doc/funcweb.md"\
+ "doc/ncdu2.md"\
"doc/pwlookup.md"\
"doc/sqlaccess.md"\
"doc/sqlobject.md"\
diff --git a/dat/doc.md b/dat/doc.md
index bbce18f..c9fa68e 100644
--- a/dat/doc.md
+++ b/dat/doc.md
@@ -6,6 +6,8 @@ rare occasions are published on this page.
## Articles That May As Well Be Considered Blog Posts
+`2021-07-22` - [Ncdu 2: Less hungry and more Ziggy](/doc/ncdu2)
+
`2019-08-13` - [From SQL to Nested Data Structures](/doc/sqlobject)
: How to easily fetch complex nested data structures from a normalized
relational database.
diff --git a/dat/doc/ncdu2.md b/dat/doc/ncdu2.md
new file mode 100644
index 0000000..3165841
--- /dev/null
+++ b/dat/doc/ncdu2.md
@@ -0,0 +1,328 @@
+% Ncdu 2: Less hungry and more Ziggy
+
+(Published on **2021-07-22**)
+
+![Worst logo ever](/img/ncdu2.png){.right}
+
+[Ncdu (NCurses Disk Usage)](https://dev.yorhel.nl/ncdu) is a terminal-based
+disk usage analyzer for Linux and other POSIX-y systems, (formerly) written in
+C and available in the package repositories of most distributions.
+
+Over the past months I have been working on a complete rewrite of ncdu and just
+released 2.0-beta1. Ncdu 2 is a full replacement of ncdu 1.x, keeping all the
+same features, the same UI, keybindings and command-line flags, all to make it
+a proper drop-in replacement. There is, after all, nothing more annoying than
+having to get re-acquainted with every piece of software you've installed every
+time you decide to update.
+
+
+# Why rewrite, then?
+
+Of course, there wouldn't really be a point in rewriting ncdu if the new
+version doesn't improve at least *something*. This rewrite is, in fact, the
+result of me agonizing for a long time about several major shortcoming of ncdu
+1.x:
+
+1. It has always been a bit of a memory hog. Part of this is inherent to what
+ it does: analyzing a full directory tree and making it smoothly browsable
+ requires keeping track of every node in that tree, and with large
+ directories containing millions of files... yeah, that'll require some
+ memory. I had, of course, already implemented all the low-hanging fruit to
+ ensure that ncdu wasn't *overly* inefficient with memory, but there was
+ certainly room for improvements.
+2. Ncdu 1.x does not handle hard link counting very efficiently and can in some
+ (fortunately rare) cases [get stuck in an `O(n²)`
+ loop](https://code.blicky.net/yorhel/ncdu/issues/121). This one is
+ particularly nasty to fix without increasing memory use.
+3. Another hard link-related problem: hard links are counted only once in a
+ directory's cumulative size, as is consistent with what most other
+ hard link-supporting disk usage analyzers do. This is useful, since a file
+ that has been "duplicated" by means of hard links only really occurs on disk
+ once, the file's data is not actually duplicated. But at the same time this
+ feature can be misleading: deleting a directory does not necessarily reclaim
+ as much disk space as was indicated by ncdu, since it's possible for
+ hard links *outside* of that directory to point to the same file data, and
+ hence for that data to remain on disk. I've had a good idea on how to better
+ present such scenarios, but an efficient implementation always eluded me.
+
+None of the above issues are easy, or even possible, to solve within the data
+model of ncdu 1.x, so major changes to the core data model were necessary.
+Since each and every aspect of ncdu - both the UI and all algorithms - are
+strongly tied to the data model, this effectively comes down to a full rewrite.
+It was during a hike through the local forests that I finally came to a
+promising solution that addresses all three points.
+
+
+# But first: an apology
+
+I'm sorry. I was anxious to try out that "promising solution" of mine and C
+isn't the kind of language that makes quick prototyping very easy or
+pleasurable. So I ended up prototyping with [Zig](https://ziglang.org/) instead
+and it ended up being more than just a prototype.
+
+Zig is an excellent programming language and uniquely well suited for little
+tools like ncdu, but it currently has a **major** flaw: It's not even close to
+stable. There's no stable version of the language, the standard library nor of
+the compiler, and each new release comes with major breakage left and right. It
+also has a fair amount of (known) bugs and its portability story, while
+impressive for the stage the language is in, is not yet on par with C. The
+language is looking very promising and I have no doubt that Zig will eventually
+reach the level of stability and portability to make it a good target for ncdu.
+But, judging from an outsider's perspective, that's likely to take a few more
+years. And that's okay, after all, every language needs time to mature.
+
+But what does that mean for ncdu? For regular users, probably not that much. I
+provide static binaries for Linux as I've always done, so you can just grab
+those and run the fancy new ncdu as usual. If you want to compile from source,
+you only need to grab the right Zig version and run `zig build`. Assuming you
+don't run into bugs, that is, but for the most part things tend to work just
+fine out of the box. For distributions, the Zig situation is rather more
+problematic, primarily because the version of ncdu is now strongly tied to the
+version of Zig, which in turn means that distributions are unable to upgrade
+these packages independently from each other. If they package Zig 0.8, then
+they may also have to package a version of ncdu that can be compiled with Zig
+0.8. If they want to upgrade to a newer version of Zig, they may not be able
+to do so without waiting for me to release a new version that works with that
+particular Zig, or maintain their own local patches for ncdu. The alternative
+is that distributions will have to support multiple versions of Zig at the same
+time, but few have the time and infrastructure to do that. Either solution is
+messy, and for that I apologize.
+
+Considering the above, I will continue to maintain the C version of ncdu for as
+long as there are people who use it. *Maintenance* meaning pretty much what
+I've been doing for the past few years: not particularly active in terms of
+development, just occasional improvements and fixes here and there. I may also
+backport some additions from future 2.x versions back into the C version,
+especially with regards to visible interfaces (CLI flags, keybindings, UI,
+etc), to dampen the inevitable agony that arises when switching between systems
+that happen to have different versions installed, but features that seem like a
+pain to implement in the 1.x codebase will likely remain exclusive to the Zig
+version.
+
+As long as there is no stable version of Zig yet, I will *try* to keep ncdu 2.x
+current with the Zig version that [most distributions have packages
+for](https://repology.org/project/zig/versions), which in practice generally
+means the latest tagged release.
+
+<!--In the unlikely event that Zig turns out to be a miserable failure - never
+gets in a stable state or ends up never gaining sufficient adoption - I may
+also decide to do another rewrite in a more acceptable language in the future,
+be that C or Rust or whatever else does the trick. Or maybe I'll just give up
+and stick with the not-optimal-but-perfectly-usable C version. Who knows.-->
+
+On the upside, ncdu 2.0 only requires the Zig compiler (plus the standard
+library that comes with it) and ncurses. There's no other external dependencies
+and none of that vendoring, bundling and insane package management stuff that
+haunts projects written in other fancy new languages.[^1]
+
+
+# Less hungry
+
+Ncdu 2 uses less than half the memory in common scenarios, but may in some
+cases use *more* memory if there are a lot of hard links. Quick comparison
+against a few real-world directories:
+
+| Test | #files | ncdu 1.16 | ncdu 2.0-beta1 |
+|:----------------|-------:|----------:|---------------:|
+| -x / | 3,8 M | 429 M | _162 M_|
+| -ex / | ~ | 501 M | _230 M_|
+| backup dir | 38.9 M | 3,969 M | _1,686 M_|
+| backup dir -e | ~ | 4,985 M | _2,370 M_|
+| many hard links | 1.3 M | _155 M_| 194 M |
+
+I have to put a disclaimer here that both my desktop's root filesystem and my
+backups play into the strengths of ncdu 2.0: relatively many files per
+directory and, with ~10 bytes on average, fairly short file names. Nonetheless,
+you should still see significant improvements if your directory tree follows a
+different distribution. The big exception here is when you have a lot of
+hard links. The "many hard links" directory I tested above represents a
+hard link-based incremental backup of ~43k files, "duplicated" 30 times.
+
+The reason for these differences in memory use are clear when you look at how
+many bytes are needed to represent each node in the tree:
+
+| | ncdu 1.16 | ncdu 2.0-beta1 |
+|--------------|---------------------------|----------------|
+| Regular file | 78 | 25 |
+| Directory | 78 | 56 |
+| Hardlink | 78 + 8 per unique dev+ino | 36 + 20 per ino\*directory combination |
+
+(These numbers assume 64-bit pointers and exclude storage for file names and
+overhead from memory allocation and hash tables. Extended mode (-e) uses an
+extra 18 bytes per node in both versions, and both versions use the same memory
+allocation strategy for the file names.)
+
+While there is room for improvements in the hard link situation, the
+performance issue in ncdu 1.x that I mentioned earlier isn't really fixable
+without a memory increase. I've always been cautious with accepting an option
+to disable hard link detection altogether as the results may not be very
+useful, but maybe I'll reconsider that for a future release. A directory that
+can't be analyzed at all because you've ran out of memory isn't very useful,
+either.
+
+Another difference that is worth mentioning: when refreshing a directory from
+within the browser, ncdu 1.x will allocate a fresh structure for the new tree
+and then, after the scan is complete, free the old structure. This may cause
+ncdu 1.x to temporarily use twice as much memory if you refresh the top-most
+directory. Ncdu 2.0 instead does an in-place update of the existing in-memory
+tree and thereby avoids this duplication. On the other hand, ncdu 2.0 is
+(currently) unable to re-use tree nodes that have been renamed or deleted, so
+frequently refreshing a directory that has many renames or deletions will
+increase memory use over time. I don't think this is a very common scenario,
+but should it become a problem, it *can* be fixed.
+
+
+# Shared links
+
+As I mentioned in the introduction, counting hard links can be very confusing
+because they cause data to be shared between directories. So rather than try
+and display a directory's cumulative size a single number, these cases are
+better represented by a separate column. Here's what that looks like in ncdu
+2.0:
+
+Amount of data shared between directories in `/usr`:
+
+![](/img/ncdu2-shared.png)
+
+And the amount of unique data in each incremental backup[^2]:
+
+![](/img/ncdu2-unique.png)
+
+To my knowledge, no other disk usage analyzer has this feature (but please do
+correct me if I'm wrong!)
+
+You can, for the time being, switch between the two views by pressing 'u'. But
+if I keep assigning keys to each new feature I may be running out of available
+keys rather soon, so maybe I'll reclaim that key before the stable 2.0 release
+and implement a quick-configuration menu instead.
+
+This feature does come with a large disclaimer: the displayed shared/unique
+sizes will be incorrect if the link count for a particular file changes during
+a scan, or if a directory refresh or deletion causes the cached link counts to
+change. The only way to get correct sizes when this happens is to quit ncdu and
+start a new scan, refreshing from the browser isn't going to fix it. There is
+currently no indicator or warning when this happens, that'll need to be fixed
+before I do a stable release.
+
+
+# Other changes
+
+There's a bunch of other changes in ncdu 2 that came naturally as part of the
+rewrite. Some changes are good, others perhaps less so.
+
+The good:
+
+- Improved handling of Unicode filenames. It still doesn't handle Unicode
+ combining marks, but at least it can now recognize full-width characters and
+ it won't cut off filenames in the middle of a UTF-8 sequence.
+- Improved performance when using `--exclude-kernfs` thanks to caching the
+ result of `statfs()` calls. I tried to measure it and only noticed a ~2%
+ improvement at best, but it's something.
+- In the 'Links' tab in the info window for hard links, it is now possible to
+ jump directly to the selected path.
+- The file browser now does a better job at remembering the position of the
+ selected item on your screen when switching directories.
+
+The ambiguous:
+
+- Ncdu 2.0 doesn't work well with non-UTF-8 locales anymore, but I don't expect
+ this to be a problem nowadays. It can still deal with non-UTF-8 filenames
+ just fine, but these will be escaped before output rather than directly
+ thrown at your terminal as ncdu 1.x does.
+- The item information window organization is a little bit different. Just a
+ tiny little bit, I promise.
+- Ncdu 2 now uses the `openat()` family of system calls to scan directories.
+ This is generally an improvement over the `chdir()` and `opendir()` approach
+ of ncdu 1.x, but does require a few more file descriptors (big deal) and is
+ less portable to ancient systems (would Zig even work on those?).
+
+The less good:
+
+- Opening the 'Links' tab in the info window for hard links now requires a scan
+ through the in-memory tree, so it's noticeably slower. To my surprise,
+ though, a full scan through a tree with 30+ million files takes less than a
+ second on my system, so in practice this probably isn't going to be a problem
+ (and who uses that 'Links' tab, anyway?).
+- Refreshing a directory may leak memory (as discussed earlier).
+- The browser UI is not visible anymore when refreshing or deleting a
+ directory. The problem is that the browser keeps cached information about
+ the opened directory, and this cache may be invalidated while the
+ refresh/deletion is running. This is also kind-of a problem in ncdu 1.x, but
+ it's less pronounced. There have been requests for allowing interactive
+ browsing while ncdu is still scanning, so this won't a problem if I ever get
+ around to implementing that, but it's not much of a priority on my end.
+ Updating the browser's cache on each UI draw is going to be too expensive, so
+ I'm not yet sure how to handle it.
+- Lots of new bugs, no doubt.
+
+
+# Next steps
+
+[Grab yourself an ncdu-2.0-beta1](/ncdu) and test! The source code is available
+in the ['zig' branch in the
+repository](https://code.blicky.net/yorhel/ncdu/src/branch/zig).
+
+My first priority is to get 2.0 ready for a "stable" release, which means it
+needs to get some serious testing in the wild to evaluate how well it works and
+to flesh out the inevitable bugs. It's still a bit unclear to me if it even
+makes sense to release a stable version when the foundation it's built on is
+inherently unstable, but let's just see how things go.
+
+On the slightly longer term, the rewrite to Zig opened up the possibility for a
+few more features that I've been wanting to see for a while, but that seemed
+tricky to implement in 1.x.
+
+- Multithreaded scanning. This will be useless for old fashioned rotating
+ hard drives, but for SSDs and especially NVMe, scanning performance can be
+ greatly improved by distributing the work across multiple threads. While
+ rewriting the code I came up with a promising idea on how to implement this,
+ so I'd love to experiment with that in future versions (io\_uring is also an
+ interesting target, but potentially even more complex).
+- Faster `--exclude-pattern` matching. Honestly, this feature is currently so
+ slow in both versions that I'm surprised nobody has ever complained about it
+ (not to me, in any case). It's possible to slow ncdu's scanning performance
+ down to a crawl with just a few patterns, a more clever matching
+ implementation could provide major improvements.
+- Exporting an in-memory tree to a file. Ncdu already has export/import
+ options, but exporting requires a separate command invocation - it's not
+ currently possible to write an export while you're in the directory browser.
+ The new data model *could* support this feature, but I'm still unsure how to
+ make it available in the UI.
+- Transparent export compression. The export function dumps uncompressed JSON
+ data and is designed to be piped through `gzip` or similar commands. While
+ this is documented in the manual page, I still see many people writing the
+ export to disk without any sort of compression. That's a pretty big waste of
+ space, so it would be nice if ncdu could transparently run the exported data
+ through external (de)compression tools to make this easier and more
+ discoverable.
+
+These features are in addition to a long list of other possible improvements
+that I've been meaning to work on for the past decade, so don't expect too
+much. :)
+
+
+<!--
+TODO: Explain data model?
+- less pointers
+- struct splitting
+- arena allocation (and how this affects refreshing)
+
+TODO: Rant about C openat annoyance?
+-->
+
+
+[^1]: That's not to say Zig is immune to the problem of projects using hundreds
+ of tiny little dependencies, but that development style isn't strongly
+ encouraged in its current state: the standard library already covers a lot of
+ ground, package management solutions are still being worked on and it's easy
+ enough to just use existing C libraries instead.
+[^2]: I would absolutely *love* for directory-level reports like these to be
+ available for other forms of data sharing, such as reflinks or btrfs/ZFS
+ snapshots. But alas, I doubt I'll ever be able to implement that in ncdu.
+ Even if I could somehow grab and untangle the underlying data, keeping track
+ of every block in a large filesystem is no doubt going to be very costly in
+ both CPU and memory. I did write a [little tool](/dump/btrfssize) some time
+ ago to generate such reports for quota-enabled btrfs subvolumes, but I ended
+ up disabling the quota feature later on because even that is pretty costly.
+ There's also [btdu](https://github.com/CyberShadow/btdu), which takes a very
+ interesting approach to analyze btrfs filesystems.
diff --git a/dat/index.md b/dat/index.md
index 079a3eb..829e069 100644
--- a/dat/index.md
+++ b/dat/index.md
@@ -20,6 +20,11 @@ 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>
+`2021-07-22` - ncdu 2.0-beta1 released <!-- tags: ncdu, link: /doc/ncdu2 -->
+: This marks the initial beta version of a complete rewrite of ncdu, written
+ in Zig. This version significantly reduces memory usage and improves hard
+ link counting. [Full release announcement](/doc/ncdu2) - [Ncdu homepage](/ncdu).
+
`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
diff --git a/dat/ncdu.md b/dat/ncdu.md
index e1c6b68..c331fa9 100644
--- a/dat/ncdu.md
+++ b/dat/ncdu.md
@@ -8,30 +8,39 @@ POSIX-like environment with ncurses installed.
## Download
-Latest version
+C version (stable)
: 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-i486-1.16.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
+ [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/)).
-Project status
-: *Maintenance mode*: I consider ncdu to be mostly complete. I'm still here
- to keep it alive and to fix issues as they come along, but I don't actively
- work on adding new features. Bug reports are still very welcome. Feature
- requests are welcome too, but don't expect much from that. Patches and pull
- requests for new features will likely end up getting ignored.
+Zig version (beta)
+: 2.0-beta2 ([ncdu-2.0-beta2.tar.gz](/download/ncdu-2.0-beta2.tar.gz) - [changes](/ncdu/changes) - requires Zig 0.8)
+
+ See the [release announcement](/doc/ncdu2) for information about the
+ differences with the C version.
+
+ Static binaries for Linux:
+ [i486](/download/ncdu-2.0-beta2-linux-i386.tar.gz),
+ [x86_64](/download/ncdu-2.0-beta2-linux-x86_64.tar.gz),
+ [ARM](/download/ncdu-2.0-beta2-linux-arm.tar.gz) and
+ [AArch64](/download/ncdu-2.0-beta2-linux-aarch64.tar.gz).
Development version
: The most recent code is available on a git repository and can be cloned
with `git clone git://g.blicky.net/ncdu.git/`. The repository is also
- available for [online browsing](https://g.blicky.net/ncdu.git/).
+ available for [online browsing](https://code.blicky.net/yorhel/ncdu/) (and
+ [through cgit](https://g.blicky.net/ncdu.git/) if you prefer that). The
+ master branch represents the C version, the Zig version can be found in the
+ 'zig' branch.
-Ncdu is entirely written in C and available under a liberal MIT license.
+License
+: MIT.
## Packages and ports
diff --git a/mkchangelog.pl b/mkchangelog.pl
index 2ec4666..303ffde 100755
--- a/mkchangelog.pl
+++ b/mkchangelog.pl
@@ -6,8 +6,9 @@ $title = shift;
print "---\ntitle: $title\npage-type: changelog\n...\n";
-for (split /\n\n/, join '', <>) {
- s/^([0-9]+\.[0-9]+(?:\.[0-9]+)?)\s+-\s+([0-9]{4}-[0-9]{2}-[0-9]{2})//;
+for (split /\n\n/, join '', grep !/^#/, <>) {
+ s/^\s*//;
+ s/^([^\s]+)\s+-\s+([0-9]{4}-[0-9]{2}-[0-9]{2})//;
print "\n- **$1** - $2";
$dl = "$project-$1.tar.gz";
$dl = "$project-linux-amd64-$1.tar.gz" if !-f "pub/download/$dl";
diff --git a/pub/download/ncdu-2.0-beta1-linux-aarch64.tar.gz.asc b/pub/download/ncdu-2.0-beta1-linux-aarch64.tar.gz.asc
new file mode 100644
index 0000000..f366190
--- /dev/null
+++ b/pub/download/ncdu-2.0-beta1-linux-aarch64.tar.gz.asc
@@ -0,0 +1,16 @@
+-----BEGIN PGP SIGNATURE-----
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diff --git a/pub/download/ncdu-2.0-beta1-linux-aarch64.tar.gz.md5 b/pub/download/ncdu-2.0-beta1-linux-aarch64.tar.gz.md5
new file mode 100644
index 0000000..b6356bb
--- /dev/null
+++ b/pub/download/ncdu-2.0-beta1-linux-aarch64.tar.gz.md5
@@ -0,0 +1 @@
+fee2e87457fb9a9ee8ea90c1aba990e1 ncdu-2.0-beta1-linux-aarch64.tar.gz
diff --git a/pub/download/ncdu-2.0-beta1-linux-aarch64.tar.gz.sha1 b/pub/download/ncdu-2.0-beta1-linux-aarch64.tar.gz.sha1
new file mode 100644
index 0000000..fe681c1
--- /dev/null
+++ b/pub/download/ncdu-2.0-beta1-linux-aarch64.tar.gz.sha1
@@ -0,0 +1 @@
+1b1e360151a4fa33e6fc460fe4fe94f4d6aad2d4 ncdu-2.0-beta1-linux-aarch64.tar.gz
diff --git a/pub/download/ncdu-2.0-beta1-linux-aarch64.tar.gz.sha256 b/pub/download/ncdu-2.0-beta1-linux-aarch64.tar.gz.sha256
new file mode 100644
index 0000000..d25dab4
--- /dev/null
+++ b/pub/download/ncdu-2.0-beta1-linux-aarch64.tar.gz.sha256
@@ -0,0 +1 @@
+8e545c77a74d420d473dd308a5562e634c11d1b8bf84fe6f9aa1ee3739e95989 ncdu-2.0-beta1-linux-aarch64.tar.gz
diff --git a/pub/download/ncdu-2.0-beta1-linux-arm.tar.gz.asc b/pub/download/ncdu-2.0-beta1-linux-arm.tar.gz.asc
new file mode 100644
index 0000000..9cf3237
--- /dev/null
+++ b/pub/download/ncdu-2.0-beta1-linux-arm.tar.gz.asc
@@ -0,0 +1,16 @@
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new file mode 100644
index 0000000..91c5ee7
--- /dev/null
+++ b/pub/download/ncdu-2.0-beta1-linux-arm.tar.gz.md5
@@ -0,0 +1 @@
+15f7bccc12aa5e345ffe320d9d3599fa ncdu-2.0-beta1-linux-arm.tar.gz
diff --git a/pub/download/ncdu-2.0-beta1-linux-arm.tar.gz.sha1 b/pub/download/ncdu-2.0-beta1-linux-arm.tar.gz.sha1
new file mode 100644
index 0000000..bfd66de
--- /dev/null
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@@ -0,0 +1 @@
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new file mode 100644
index 0000000..f7d1589
--- /dev/null
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@@ -0,0 +1 @@
+d7c95dc8f3abbc4c0070fc30d5b5d55c942a4f6823c077729423083bd7c596d1 ncdu-2.0-beta1-linux-arm.tar.gz
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new file mode 100644
index 0000000..b58690b
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new file mode 100644
index 0000000..571ee66
--- /dev/null
+++ b/pub/download/ncdu-2.0-beta1-linux-i386.tar.gz.md5
@@ -0,0 +1 @@
+ca34002ffb7d4651cd7f55cb84f430cf ncdu-2.0-beta1-linux-i386.tar.gz
diff --git a/pub/download/ncdu-2.0-beta1-linux-i386.tar.gz.sha1 b/pub/download/ncdu-2.0-beta1-linux-i386.tar.gz.sha1
new file mode 100644
index 0000000..51bf8c8
--- /dev/null
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new file mode 100644
index 0000000..803efa6
--- /dev/null
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@@ -0,0 +1 @@
+a225e51bc8c841941d912083706ac005c4761aaa7394a6b5a2f8809cc946565f ncdu-2.0-beta1-linux-i386.tar.gz
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new file mode 100644
index 0000000..2cdc0fa
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new file mode 100644
index 0000000..6b5d754
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index 0000000..c55c829
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index 0000000..8008cda
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new file mode 100644
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}
b, strong { font-weight: bold }
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sup { font-size: 80%; font-weight: bold }
a.footnoteRef { text-decoration: none }
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main dt { margin-bottom: .1em; }
main figcaption { display: none }
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main table th { font-weight: bold }
main section.footnotes hr { display: none }