fish_config: Read colorschemes from .theme files #8127
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This used to pass each color in a separate url-encoded request, which is just wasteful. Also it passed separate parameters for modifiers like bold and underlined, but never gave them actual values. Instead the color is passed as one string. So we just use json, and then iterate over it server-side.
These are simple var val [val val] files. Basically the bit in `set -g fish_color_escape 86c1b9` after the `set -g `. Since we're not going to `source` them, however, arbitrary code and expansions are unsupported. Also comments and such don't currently work. This allows them to be easily readable both from webconfig (next commit) and the shell (later).
Following a "#" comment. Also empty lines, so we have to deal with them.
This readds the preferred background and url, all read from "# url:" and "# preferred_background:" comments in the .theme file.
This still keeps the Nord and Solarized palettes because we use the backgrounds in the sample background list.
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Note: I extracted the themes by setting them from webconfig (I hacked it so it only printed the set commands instead of executing them). This means they've lost the relation to the palette, and now it's all just a list of variables. I don't see how we can keep a non-code format without losing that, and that's imperative to make it usable from python and fish, and to allow others to add things (imagine a ~/.config/fish/themes directory that fish_config just picks up! imagine a theme of the month on fishshell.com!) |
This has cheesy pattern matching that I'm not entirely sure adds anything? Surely if we add something to share/web_config that should be installed *by default*? Anyway, let's just add .theme to it
zanchey
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Jul 10, 2021
zanchey
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Jul 10, 2021
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This works well in my testing, and it's a great idea.
I'm not able to give much comment on the JS.
Can I suggest running black over the Python source, either before and after your changes or just after?
krobelus
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Jul 11, 2021
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So I'm close on the CLI. Should I add that to this PR or merge this (which doesn't really do a lot that's visible) and open another? |
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What if we changed the theme format to (retricted) fish so then it would be fairly obvious how to load the theme - just source the file. This seems good to merge (I'd run the formatter though). If the addition + removal of the themes were in the same commit, it would be slightly easier to trace the evolution of the themes. But I didn't see a good way to do that while keeping the commit structure. |
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That just means people start running Also that makes it harder to pick the scope of the variable - in the current CLI I run Overall, I like having a clear line between a .theme and a .fish. An alternative would of course be picking an actual serialization format, but most of them are more annoying to read (and especially more annoying to generate from the shell). Possibly |
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Alright, black doesn't really change a lot, so I'm gonna merge this now and run a full formatting pass later. This also allows me to open another PR for the CLI bit of this, I have some open questions. |
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I used the command from fish-shell#8092 to list issues/PRs with missing changelog entries, and went through most of them. Each issue gets three lines - subject - URL - verdict If the verdict ends with ", ignoring", I added it the the ignored list in the changelog. The issues are grouped by verdict, with the interesting/leftover ones on top (obviously no need to double check *everything*). The "gh" script is already a quantum leap we can still find better ways to share the changelog burden. I noticed that there are many minor updates that can probably be ignored. Filtering them out doesn't take much time but it adds up, especially if it's a single person doing it. --- Issue/PR title: Make --no-config mode more comfortable fish-shell#8493 in-flight Issue/PR title: Debian fish binary package difficult to install fish-shell#7845 TODO Issue/PR title: Work around `setpgid` error on older Apple platforms fish-shell#8153 this extends 7474, which wasn't listed either, we should probably mention it? Issue/PR title: Abbr -q return status inconsistent fish-shell#8431 fixes return status of "abbr -q", should we mention this? Issue/PR title: math: (n n): incorrect error fish-shell#8511 improved error output, which is very nice but too minor? Issue/PR title: Fish autocomplete error on iOS procursus fish-shell#8205 niche fix, ignoring Issue/PR title: Fix `fish_key_reader` wrapper check fish-shell#8271 minor update to not create a harmless alias for fish_key_reader, ignoring Issue/PR title: funced dosn't like backslash escapes in function names fish-shell#8289 minor escaping fix, ignoring Issue/PR title: Hide whatis database building from the user fish-shell#8310 not something many users would notice in the first place, ignoring Issue/PR title: Duplicated "Type 'help argparse' for related documentation" for argparse fish-shell#8368 minor update to error message, ignoring Issue/PR title: Variable highlight color does not span lines fish-shell#8444 very obscure fix, ignoring --- Issue/PR title: Add --function to `read` fish-shell#8295 added to existing entry (565) Issue/PR title: Added completions for ethtool fish-shell#8283 added to existing entry Issue/PR title: Add dart completion fish-shell#8315 added to existing entry Issue/PR title: Add common lisp completions(sbcl/roswell) fish-shell#8330 added to existing entry Issue/PR title: Fix st issue with shift+tab fish-shell#8354 added to existing entry (8352) Issue/PR title: Support vi-mode cursors in Foot Terminal fish-shell#8391 added to existing entry (8167) Issue/PR title: Completions pager should redraw if the subbed completion wraps/unwraps the line fish-shell#8405 added to existing entry (8509) --- Issue/PR title: Binding escape as user binding breaks escape sequence bindings (arrows, etc) fish-shell#8428 added new entry Issue/PR title: Windows "color" command completion fish-shell#8483 added new entry Issue/PR title: Doesn't build when using netbsd curses on Linux fish-shell#8087 added new entry Issue/PR title: Don't override linker fish-shell#8152 added new entry Issue/PR title: Add completions for `git-sizer` fish-shell#8156 added new entry Issue/PR title: `d3ceba107e88b6c6e1a0358ebcb30366aeef653f` causes issues with repainting multi-line prompt fish-shell#8163 added new entry Issue/PR title: Builtin math ncr can be extremely slow fish-shell#8170 added new entry Issue/PR title: Completion sometimes missing the last token fish-shell#8175 added new entry Issue/PR title: `set -S` should mark read-only variables fish-shell#8179 added new entry Issue/PR title: Errors when trying to autocomplete (invalid) UTF-8 escapes fish-shell#8195 added new entry Issue/PR title: Always use LC_NUMERIC=C internally fish-shell#8204 added new entry Issue/PR title: Slow interaction between backgrounding, universal variables, and repainting fish-shell#8209 added new entry Issue/PR title: Unsetting `$fish_emoji_width` doesn't clear the cached width fish-shell#8274 added new entry Issue/PR title: If prompt ends in an empty line, the commandline is inserted at the width of the line before fish-shell#8298 added new entry Issue/PR title: assertion normal_exited() failed related to paged builtin help fish-shell#8308 added new entry Issue/PR title: colors don't kick in for ls on macOS Big Sur, Monterey (and maybe FreeBSD) fish-shell#8309 added new entry Issue/PR title: Adds sub-command clear-session to history command. Issue fish-shell#5791 fish-shell#8337 added new entry (as 5791) Issue/PR title: Display local branches before unique remote branches in git completion fish-shell#8338 added new entry Issue/PR title: Fix delete-key in st fish-shell#8352 added new entry Issue/PR title: sigsegv on set --show variable (when LANG is set to fr_FR.utf8) fish-shell#8358 added new entry Issue/PR title: Add clasp completion fish-shell#8373 added new entry Issue/PR title: `cargo run --example` completions break with nested example directories fish-shell#8429 added new entry Issue/PR title: argparse completions fish-shell#8434 added new entry Issue/PR title: Stop linking to StackOverflow fish-shell#8495 added new entry Issue/PR title: fish_key_reader ^C warning isn't right fish-shell#8510 added new entry Issue/PR title: Use `--almost-all` in `la` function fish-shell#8519 added new entry --- Issue/PR title: improve the experience of using fish over mosh fish-shell#1363 listed as 8376, ignoring Issue/PR title: incomplete man page completions fish-shell#8305 listed as 8309, ignoring Issue/PR title: Support "$(cmd)" command substitution without line splitting fish-shell#8059 listed as 159, ignoring Issue/PR title: fish_config: Read colorschemes from .theme files fish-shell#8127 listed as 8132, ignoring Issue/PR title: funced: edit the whole file, not just the function definition fish-shell#8130 listed as 391, ignoring Issue/PR title: builtin cd: print error about broken symlink fish-shell#8270 listed as 8264, ignoring Issue/PR title: fix man completion for BSD's mandoc fish-shell#8306 listed as 8305, ignoring Issue/PR title: Don't escape tildes that come from custom completions fish-shell#8441 listed as 8441, ignoring Issue/PR title: Use `cargo run --example` to get list of examples fish-shell#8446 listed as 8429, ignoring --- Issue/PR title: Node completion: add v8 sparkplug option fish-shell#8118 update to existing completions, ignoring Issue/PR title: Add zypper subcommands completion fish-shell#8183 update to existing completions, ignoring Issue/PR title: completion nmap: suppress warning when local scripts folder exists fish-shell#8184 update to existing completions, ignoring Issue/PR title: add missing `git commit` completions fish-shell#8191 update to existing completions, ignoring Issue/PR title: Updated ping completions fish-shell#8192 update to existing completions, ignoring Issue/PR title: Add `--function` to `set` completion fish-shell#8202 update to existing completions, ignoring Issue/PR title: completion: support `--no` prefixes for mpv flag options fish-shell#8219 update to existing completions, ignoring Issue/PR title: complete "mpc load" fish-shell#8241 update to existing completions, ignoring Issue/PR title: Add and fix completions for new options fish-shell#8243 update to existing completions, ignoring Issue/PR title: Fix completions/ls.fish fish-shell#8249 update to existing completions, ignoring Issue/PR title: Fix completions/coredumpctl.fish and add new complete fish-shell#8256 update to existing completions, ignoring Issue/PR title: completions/git: Handle "1 .T" & "1 AT" files fish-shell#8311 update to existing completions, ignoring Issue/PR title: completions/xbps-query: add missing `-p` completions fish-shell#8323 update to existing completions, ignoring Issue/PR title: Update ldapsearch.fish fish-shell#8326 update to existing completions, ignoring Issue/PR title: small fix completions/duply.fish fish-shell#8327 update to existing completions, ignoring Issue/PR title: Update ip.fish fish-shell#8334 update to existing completions, ignoring Issue/PR title: Fix ant completion fish-shell#8344 update to existing completions, ignoring Issue/PR title: Update dmesg completions fish-shell#8365 update to existing completions, ignoring Issue/PR title: No hints for -g|--global and -U|--universal flags for abbr command fish-shell#8367 update to existing completions, ignoring Issue/PR title: Updated systemd-analyze completions fish-shell#8381 update to existing completions, ignoring Issue/PR title: vmctl completion function call needs to be quoted fish-shell#8406 update to existing completions, ignoring Issue/PR title: pabcnetcclear command completion update fish-shell#8480 update to existing completions, ignoring --- Issue/PR title: document `--no-config` fish-shell#8176 doc update, ignoring Issue/PR title: Theme demo needs to be adjusted so that only unmatched quote is an error fish-shell#8260 doc update, ignoring Issue/PR title: no error about wrong >>? redirection operator fish-shell#8380 doc update, ignoring Issue/PR title: set -l works outside of command block fish-shell#8385 doc update, ignoring Issue/PR title: Some enhancements to "for" and "while" loop pages fish-shell#8409 doc update, ignoring Issue/PR title: Html docs: Remove link underlines again? fish-shell#8439 doc update, ignoring Issue/PR title: Old-style options support "=" assignment operator in complete builtin fish-shell#8457 doc update, ignoring Issue/PR title: Document prompt_hostname fish-shell#8522 doc update, ignoring --- Issue/PR title: edit_command_buffer: use "command" to ignore any functions with the same name fish-shell#8221 only helps broken systems, ignoring Issue/PR title: Prepend command to cat fish-shell#8287 only helps broken systems, ignoring Issue/PR title: Make less version check compatible with older Fish fish-shell#8299 only helps broken systems, ignoring Issue/PR title: Skip leading `command` in `__fish_man_page` fish-shell#8447 only helps broken systems, ignoring Issue/PR title: fish_config doesn't work without curses module fish-shell#8487 only helps broken systems, ignoring --- Issue/PR title: fix 'socket file name too long' error fish-shell#8128 test fix with long tempdirs (macOS), not really user-visible, ignoring Issue/PR title: Give tests a more generic name fish-shell#8449 not user-visible, ignoring Issue/PR title: string tests sometimes failing on macOS (Github Actions) fish-shell#8353 not user-visible, ignoring Issue/PR title: history merge test fails on OpenBSD fish-shell#6477 not user-visible, ignoring --- Issue/PR title: Obtain Deno completions from itself fish-shell#8471 update to an unreleased feature (7138), ignoring Issue/PR title: `string length --visible` performance fish-shell#8253 update to an unreleased feature, ignoring Issue/PR title: Backspace character is ignored when calculating string widths fish-shell#8277 update to an unreleased feature, ignoring Issue/PR title: `fish_config choose` leaves previous right prompt in place fish-shell#8314 update to an unreleased feature, ignoring Issue/PR title: parenthesis characters outer of $(command substitution) in string cause error fish-shell#8394 update to an unreleased feature, ignoring Issue/PR title: Parser bug with command substitutions in strings inside parenthesis fish-shell#8500 update to an unreleased feature, ignoring Issue/PR title: fish_config: silently doesn't set color schemes. fish-shell#8419 regression, not in any release, ignoring Issue/PR title: :program: in sphinx doesn't link fish-shell#8438 regression, not in any release, ignoring Issue/PR title: __fish_seen_argument.fish throws exception when autocompleting fish-shell#8478 regression, not in any release, ignoring --- Issue/PR title: Fix typo in abbr docs fish-shell#8280 typofix, ignoring Issue/PR title: Fix typo in `set_colors` command documentation fish-shell#8321 typofix, ignoring Issue/PR title: Typo funcions -> functions fish-shell#8257 typofix, ignoring --- Issue/PR title: remove make_pair fish-shell#8206 no behavior change, ignoring Issue/PR title: replace push_back with emplate_back fish-shell#8222 no behavior change, ignoring Issue/PR title: clang-tidy: remove pointless virtual fish-shell#8224 no behavior change, ignoring Issue/PR title: change value to rvalue reference fish-shell#8227 no behavior change, ignoring Issue/PR title: convert const ref to rvalue ref fish-shell#8228 no behavior change, ignoring Issue/PR title: clang-tidy: use for range loops fish-shell#8229 no behavior change, ignoring Issue/PR title: fix deleted constructors fish-shell#8230 nno behavior change, ignoring Issue/PR title: clang-tidy: const reference conversions fish-shell#8231 no behavior change, ignoring Issue/PR title: clang-tidy: simplify two bool returns fish-shell#8235 no behavior change, ignoring Issue/PR title: clang-tidy: replace size comparisons with empty fish-shell#8237 no behavior change, ignoring Issue/PR title: clang-tidy: replace NULL with nullptr fish-shell#8239 no behavior change, ignoring Issue/PR title: add constexpr fish-shell#8252 no behavior change, ignoring Issue/PR title: __fish_seen_subcommand_from and __fish_seen_argument update fish-shell#8430 no behavior change (apart from a regression that's fixed), ignoring Issue/PR title: Run fish_indent on all non-test .fish files fish-shell#8476 no behavior change, ignoring Issue/PR title: Use test command instead of bracket command fish-shell#8477 no behavior change, ignoring Issue/PR title: Fix code scanning alert - Wrong type of arguments to formatting function fish-shell#8521 no behavior change, ignoring Issue/PR title: clang-tidy: replace push_back with emplace_back fish-shell#8236 no behavior change, ignoring ---
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Description
As we know, fish_config currently is the only place you can see the colorschemes. There's no way inside the shell to access them, which is profoundly weird.
So, what we do is store the themes in ".theme" files instead. These are a fishscript-influenced key-value format, basically what
set -Lprints. Essentially, every line is either a comment (including a metadata comment) starting with "#", empty, or the arguments for asetcall from the variable name onwards:This makes it easy to read from both webconfig.py, and a fish script (to be written and integrated into
fish_configasfish_config theme).Little should currently change about the fish_config browser interface, except for that the themes have been reordered. They're now in alphabetical, case-insensitive order except for the current and default themes, which are first.
The motivation for all of this is that it allows us to:
Part of #3625.
TODOs: