Version 2.1; remove 1.x changes from the ChangeLog

ChangeLog

 # SPDX-FileCopyrightText: 2021-2022 Yoran Heling <projects@yorhel.nl>
 # SPDX-License-Identifier: MIT
 
+2.1 - 2022-02-07
+	- Still requires Zig 0.9.0
+	- Use natural sort order when sorting by file name
+	- Use Unicode box drawing characters for the file size bar
+	- Add --graph-style option to change drawing style for the file size bar
+	- Fix early exit if a configuration directory does not exist
+	- Fix display glitch for long file names
+	- Fix display glitch with drawing unique/shared size column
+
 2.0.1 - 2022-01-01
 	- Still requires Zig 0.9.0
 	- Fix build failure to find 'wcwidth' on some systems
@@ -29,199 +38,7 @@
 2.0-beta1 - 2021-07-22
 	- Full release announcement: https://dev.yorhel.nl/doc/ncdu2
 	- Requires Zig 0.8
+	- Features and UI based on ncdu 1.16
 	- Lower memory use in most scenarios (except with many hard links)
 	- Improved performance of hard link counting
 	- Extra column for shared/unique directory sizes
-
-1.16 - 2021-07-02
-	- Increase width of size bar depending on terminal size (Christian Göttsche)
-	- Set/increment $NCDU_LEVEL variable when spawning a shell
-	- Indicate whether apparent size or disk usage is being displayed
-	- Display setuid, setgid and sticky bits in file flags in extended mode
-	- Fix error handling while reading --exclude-from file
-	- Improve JSON import to allow for several future extensions to the format
-	- Export link count in JSON dumps
-	- Don't export inode in JSON dumps for non-hardlinks
-
-1.15.1 - 2020-06-10
-	- (Linux) Fix build on older Linux systems (Christian Göttsche)
-	- (MacOS) Revert "Exclude firmlinks by default" behavior (until we have a better solution)
-	- (MacOS) Add --exclude-firmlinks option to opt-in to the above behavior
-
-1.15 - 2020-05-30
-	- (Linux) Add --exclude-kernfs option to exclude pseudo filesystems (Christian Göttsche)
-	- (MacOS) Exclude firmlinks by default (Saagar Jha)
-	- (MacOS) Add --follow-firmlinks option to follow firmlinks (Saagar Jha)
-	- Fix bug in calculating the apparent size of directories containing hardlinks
-	- Fix integer overflow with directories containing >2GiB worth of file names
-	- Fix yet another possible 100% CPU bug when losing terminal
-
-1.14.2 - 2020-02-10
-	- Fix compilation with GCC 10 (-fno-common)
-	- Fix minor display issue when scanning 10M+ files
-	- Slightly reduce memory usage for hard link detection
-
-1.14.1 - 2019-08-05
-	- Fix occasional early exit on OS X
-	- Fix --exclude-caches
-	- Improve handling of out-of-memory situations
-
-1.14 - 2019-02-04
-	- Add mtime display and sorting (Alex Wilson)
-	- Add (limited) --follow-symlinks option (Simon Doppler)
-	- Display larger file counts in browser UI
-	- Add -V, --version, and --help alias flags
-	- Fix crash when attempting to sort an empty directory
-	- Fix 100% CPU bug when ncdu loses the terminal
-	- Fix '--color=off' flag
-	- Fix some typos
-
-1.13 - 2018-01-29
-	- Add "extended information" mode and -e flag
-	- Add file mode, modification time and uid/gid to info window with -e
-	- Add experimental color support and --color flag
-	- Add -rr option to disable shell spawning
-	- Remove directory nesting limit on file import
-	- Fix handling of interrupts during file import
-	- Fix undefined behavior that triggered crash on OS X
-
-1.12 - 2016-08-24
-	- Add NCDU_SHELL environment variable
-	- Add --confirm-quit flag
-	- Fix compilation due to missing sys/wait.h include
-
-1.11 - 2015-04-05
-	- Added 'b' key to spawn shell in the current directory
-	- Support scanning (and refreshing) of empty directories
-	- Added --si flag for base 10 prefixes
-	- Fix toggle dirs before files
-
-1.10 - 2013-05-09
-	- Added 'c' key to display item counts
-	- Added 'C' key to order by item counts
-	- Added CACHEDIR.TAG support and --exclude-caches option
-	- Use locale-dependent thousand separator
-	- Use pkg-config to detect ncurses
-	- Clip file/dir sizes to 8 EiB minus one byte
-	- Fix buffer overflow when formatting huge file sizes
-
-1.9 - 2012-09-27
-	- Added option to dump scanned directory information to a file (-o)
-	- Added option to load scanned directory information from a file (-f)
-	- Added multiple scan and load interfaces (-0,-1,-2)
-	- Fit loading and error windows to the terminal width (#13)
-	- Fix symlink resolving bug (#18)
-	- Fix path display when scanning an empty directory (#15)
-	- Fix hang when terminal is resized to a too small size while loading
-	- Use top-level automake build
-	- Remove useless AUTHORS, INSTALL and NEWS files
-	- ncdu.1 now uses POD as source format
-
-1.8 - 2011-11-03
-	- Use hash table to speed up hard link detection
-	- Added read-only option (-r)
-	- Use KiB instead of kiB (#3399279)
-
-1.7 - 2010-08-13
-	- List the detected hard links in file info window
-	- Count the size of a hard linked file once for each directory it appears in
-	- Fixed crash on browsing dirs with a small window size (#2991787)
-	- Fixed buffer overflow when some directories can't be scanned (#2981704)
-	- Fixed segfault when launched on a nonexistent directory (#3012787)
-	- Fixed segfault when root dir only contains hidden files
-	- Improved browsing performance
-	- More intuitive multi-page browsing
-	- Display size graph by default
-	- Various minor fixes
-
-1.6 - 2009-10-23
-	- Implemented hard link detection
-	- Properly select the next item after deletion
-	- Removed reliance of dirfd()
-	- Fixed non-void return in void delete_process()
-	- Fixed several tiny memory leaks
-	- Return to previously opened directory on failed recalculation
-	- Properly display MiB units instead of MB (IEEE 1541 - bug #2831412)
-	- Link to ncursesw when available
-	- Improved support for non-ASCII characters
-	- VIM keybindings for browsing through the tree (#2788249, #1880622)
-
-1.5 - 2009-05-02
-	- Fixed incorrect apparent size on directory refresh
-	- Browsing keys now work while file info window is displayed
-	- Current directory is assumed when no directory is specified
-	- Size graph uses the apparent size if that is displayed
-	- Items are ordered by displayed size rather than disk usage
-	- Removed switching between powers of 1000/1024
-	- Don't rely on the availability of suseconds_t
-	- Correctly handle paths longer than PATH_MAX
-	- Fixed various bugs related to rpath()
-	- Major code rewrite
-	- Fixed line width when displaying 100%
-
-1.4 - 2008-09-10
-	- Removed the startup window
-	- Filenames ending with a tidle (~) will now also
-	  be hidden with the 'h'-key
-	- Fixed buffer overflow when supplying a path longer
-	  than PATH_MAX	(patch by Tobias Stoeckmann)
-	- Used S_BLKSIZE instead of a hardcoded block size of 512
-	- Fixed display of disk usage and apparent sizes
-	- Updated ncdu -h
-	- Included patches for Cygwin
-	- Cursor now follows the selected item
-	- Added spaces around path (debian #472194)
-	- Fixed segfault on empty directory (debian #472294)
-	- A few code rewrites and improvements
-
-1.3 - 2007-08-05
-	- Added 'r'-key to refresh the current directory
-	- Removed option to calculate apparent size: both
-	  the disk usage and the apparent size are calculated.
-	- Added 'a'-key to switch between showing apparent
-	  size and disk usage.
-	- Added 'i'-key to display information about the
-	  selected item.
-	- Small performance improvements
-	- configure checks for ncurses.h (bug #1764304)
-
-1.2 - 2007-07-24
-	- Fixed some bugs on cygwin
-	- Added du-like exclude patterns
-	- Fixed bug #1758403: large directories work fine now
-	- Rewrote a large part of the code
-	- Fixed a bug with wide characters
-	- Performance improvements when browsing large dirs
-
-1.1 - 2007-04-30
-	- Deleting files and directories is now possible from
-	  within ncdu.
-	- The key for sorting directories between files has
-	  changed to 't' instead of 'd'. The 'd'-key is now
-	  used for deleting files.
-
-1.0 - 2007-04-06
-	- First stable release
-	- Small code cleanup
-	- Added a key to toggle between sorting dirs before
-	  files and dirs between files
-	- Added graphs and percentages to the directory
-	  browser (can be enabled or disabled with the 'g'-key)
-
-0.3 - 2007-03-04
-	- When browsing back to the previous directory, the
-	  directory you're getting back from will be selected.
-	- Added directory scanning in quiet mode to save
-	  bandwidth on remote connections.
-
-0.2 - 2007-02-26
-	- Fixed POSIX compliance: replaced realpath() with my
-	  own implementation, and gettimeofday() is not
-	  required anymore (but highly recommended)
-	- Added a warning for terminals smaller than 60x16
-	- Mountpoints (or any other directory pointing to
-	  another filesystem) are now considered to be
-	  directories rather than files.
-
-0.1 - 2007-02-21
-	- Initial version

src/main.zig

 // SPDX-FileCopyrightText: 2021-2022 Yoran Heling <projects@yorhel.nl>
 // SPDX-License-Identifier: MIT
 
-pub const program_version = "2.0.1";
+pub const program_version = "2.1";
 
 const std = @import("std");
 const model = @import("model.zig");