kitty:get_cwd: Use KITTY_LISTEN_ON for socket path

Also verify that the socket exists before using it.

.config/dircolors/dircolors

@@ -185,3 +185,6 @@ EXEC    01;92
 *.opus  00;36
 *.spx   00;36
 *.xspf  00;36
+
+## Others
+*.pdf   01;95

.config/git/config

@@ -4,21 +4,22 @@
 	addIgnoredFile = off
 	detachedHead = off
 [alias]
-	# NOTE: git-zsh-autoload (./zsh-autoload.sh) is a small wrapper that
-	# launches autoloadable zsh functions (.config/zsh/autoload/git/*) in
-	# the right directory, as shell commands in git aliases are executed
-	# from the top-level directory of the repository.
+	# NOTE: git-external-script (./external-script.sh) is a small wrapper
+	#  that launches external scripts from the ./scripts/ collection in the
+	#  right directory, as shell commands in git aliases are executed from
+	#  the top-level directory of the repository.
 
-	abort = "!git-zsh-autoload abort"
+	abort = "!git-external-script abort"
 	autosquash = -c sequence.editor=/bin/true rebase -i --autosquash
 	autofixup= autosquash
+	branch-rename = "!git-external-script branch-rename"
 	c = commit
 	changes = flog HEAD...FETCH_HEAD
-	checkout-worktree = "!git-zsh-autoload checkout-worktree"
+	checkout-worktree = "!git-external-script checkout-worktree"
 	cow = checkout-worktree
 	co = checkout
-	commit-last-msg = "!git-zsh-autoload commit-last-msg"
-	continue = "!git-zsh-autoload continue"
+	commit-last-msg = "!git-external-script commit-last-msg"
+	continue = "!git-external-script continue"
 	cont = continue
 	clm = commit-last-msg
 	last-msg = commit-last-msg
@@ -28,27 +29,61 @@
 	ft = fetch-tags-only
 	filter-repo = !git-filter-repo
 	fixes = log -1 --pretty=fixes
-	glog = "!git-zsh-autoload glog"
-	https-and-ssh = "!git-zsh-autoload https-and-ssh"
+	glog = "!git-external-script glog"
+	https-and-ssh = "!git-external-script https-and-ssh"
 	ssh-and-https = https-and-ssh
 	l = log
-	last-changed = "!git-zsh-autoload last-changed"
+	last-changed = "!git-external-script last-changed"
 	ls = ls-files
-	make-fork = "!git-zsh-autoload make-fork"
+	make-fork = "!git-external-script make-fork"
 	p = push
-	perm-stash = "!git-zsh-autoload perm-stash"
+	perm-stash = "!git-external-script perm-stash"
 	root = rev-parse --show-toplevel
 	signoff = rebase --signoff
 	ss = stash
-	ssync = "!git-zsh-autoload ssync"
-	submodule-rm = "!git-zsh-autoload submodule-rm"
-	track = "!git-zsh-autoload track"
+	ssync = "!git-external-script ssync"
+	submodule-rm = "!git-external-script submodule-rm"
+	track = "!git-external-script track"
 	branches = track
 [blame]
 	date = short
 [branch]
 	autosetuprebase = always
 	sort = -committerdate
+[clone]
+	filterSubmodules = yes
+[color "diff"]
+	# Make all bold colors also bright. See diff_colors in git's diff.c
+	oldMoved = bold brightmagenta
+	oldMovedAlternative = bold brightblue
+	newMoved = bold brightcyan
+	newMovedAlternative = bold brightyellow
+	oldBold = bold brightred
+	newBold = bold brightgreen
+[color "decorate"]
+	# Make all bold colors also bright. See decoration_colors in git's
+	# log-tree.c
+	branch = bold brightgreen
+	remoteBranch = bold brightred
+	tag = bold brightyellow
+	stash = bold brightmagenta
+	HEAD = bold brightcyan
+	grafted = bold brightblue
+[color "grep"]
+	# Make all bold colors also bright. See GREP_OPT_INIT in git's grep.h
+	matchContext = bold brightred
+	matchSelected = bold brightred
+[color "interactive"]
+	# Make all bold colors also bright. See init_add_i_state in git's
+	# add-interactive.c
+	help = bold brightred
+	prompt = bold brightblue
+	error = bold brightred
+[color "remote"]
+	# Make all bold colors also bright. See keywords in git's sideband.c
+	warning = bold brightyellow
+	success = bold brightgreen
+	error = bold brightred
 [color "status"]
 	added = 076
 	untracked = 014
@@ -65,9 +100,8 @@
 [core]
 	abbrev = 12
 	#pager = delta
-	pager = diff-so-fancy \
-	        | less --tabs=8 --RAW-CONTROL-CHARS --quit-if-one-screen
-	whitespace = trailing-spaces,space-before-tab,indent-with-non-tab
+	pager = diff-so-fancy | less --tabs=8 --RAW-CONTROL-CHARS
+	whitespace = trailing-spaces,space-before-tab,indent-with-non-tab,tabwidth=8
 [delta]
 	navigate = true
 	commit-decoration-style = bold yellow box
@@ -100,6 +134,12 @@
 	singleKey = true
 [log]
 	follow = true
+	# Make all colors bold and additionally use bright versions of
+	# previously bold-only colors. See column_colors_ansi in git's color.c
+	# used by graph.c
+	graphColors = bold red,bold green,bold yellow,bold blue,bold magenta,bold cyan,bold brightred,bold brightgreen,bold brightyellow,bold brightblue,bold brightmagenta,bold brightcyan
+	# Show all refs as decoration (e.g. also notes)
+	initialDecorationSet = all
 [merge]
 	conflictstyle = diff3
 	log = true
@@ -114,9 +154,9 @@
 [rebase]
 	autostash = true
 [rerere]
-	enabled = true
+	enabled = false
 [status]
-	submodulesummary = true
+	submoduleSummary = true
 [submodule]
 	fetchJobs = 0
 [trailer]
@@ -125,5 +165,6 @@
 	email = julian@druck.dev
 	name = Julian Prein
 	signingkey = C0A44F69F2E29F6586C86B96CA6B3A516FAC2555
+
 [include]
 	path = user.config

.config/git/external-script.sh

@@ -2,8 +2,9 @@
 # SPDX-License-Identifier: MIT
 # Copyright (c) 2025 Julian Prein
 #
-# Meant to be used in git aliases to launch an autoloadable zsh function in the
-# correct directory.
+# Meant to be used by git aliases to easily launch an external script from the
+# ./scripts/ collection through its basename and in the correct directory (i.e.
+# GIT_PREFIX).
 
 if [ $# -eq 0 ]; then
 	printf >&2 "Usage: %s <function>\n" "$(basename "$0")"
@@ -12,7 +13,7 @@ fi
 name="$1"
 shift
 
-BASE="${XDG_CONFIG_HOME:-$HOME/.config}/zsh/autoload/git"
+BASE="$(dirname "$(realpath "$0")")/scripts"
 
 # In git aliases, shell commands are executed from the top-level directory of
 # the repo. GIT_PREFIX contains the original directory relative to the

.config/i3/config

@@ -36,18 +36,11 @@ set $TERM_CMD_FLAG
 # a single sprite cache on the GPU"[^1], so that startup is almost instant.
 #
 # For this to work best, launch one hidden "daemon" instance at startup so that
-# the kitty process is always running, even when no OS windows exists.
-#
-# NOTE: `--start-as hidden` needs kitty 0.42.0 or later.
-#
-# Additionally allow remote_control over a socket, so that kitty-cwd works.
+# the kitty process is always running, even when no OS windows exists. See the
+# daemon.sh script in .config/kitty.
 #
 # [^1]: kitty(1)
-exec --no-startup-id $TERMINAL \
-	--start-as hidden \
-	--detach \
-	-o allow_remote_control=socket-only \
-	--listen-on unix:/tmp/mykitty
+exec --no-startup-id kitty-daemon
 
 # Multi monitor support
 exec_always --no-startup-id ~/.config/i3/monitor-setup.sh &
@@ -86,6 +79,8 @@ bindsym $mod+Shift+v split horizontal
 bindsym $mod+f fullscreen toggle
 
 # change container layout (stacked, tabbed, toggle split)
+#bindsym $mod+s layout stacking
+#bindsym $mod+w layout tabbed
 bindsym $mod+e layout toggle split
 
 # toggle tiling / floating
@@ -107,13 +102,15 @@ bindsym $mod+6 exec ~/.config/i3/multi-monitor-workspaces.sh -s 6
 bindsym $mod+7 exec ~/.config/i3/multi-monitor-workspaces.sh -s 7
 bindsym $mod+8 exec ~/.config/i3/multi-monitor-workspaces.sh -s 8
 bindsym $mod+9 exec ~/.config/i3/multi-monitor-workspaces.sh -s 9
-bindsym $mod+0 exec ~/.config/i3/multi-monitor-workspaces.sh -s 0
+bindsym $mod+0 exec ~/.config/i3/multi-monitor-workspaces.sh -s 10
 
 # switch back to the previous workspace
 workspace_auto_back_and_forth yes
-bindsym $mod+Tab exec i3-msg workspace "$( \
-	i3-msg -t get_workspaces | \
-	jq -r '.[] | select(.focused).name')"
+bindsym $mod+Tab workspace back_and_forth
+
+# switch workspaces forward and backward
+bindsym $mod+Next workspace next
+bindsym $mod+Prior workspace prev
 
 # Switch visible workspaces (e.g. multi monitor setup)
 bindsym $mod+Shift+Tab exec i3-msg workspace "$( \
@@ -131,7 +128,7 @@ bindsym $mod+Shift+6 exec ~/.config/i3/multi-monitor-workspaces.sh -m 6
 bindsym $mod+Shift+7 exec ~/.config/i3/multi-monitor-workspaces.sh -m 7
 bindsym $mod+Shift+8 exec ~/.config/i3/multi-monitor-workspaces.sh -m 8
 bindsym $mod+Shift+9 exec ~/.config/i3/multi-monitor-workspaces.sh -m 9
-bindsym $mod+Shift+0 exec ~/.config/i3/multi-monitor-workspaces.sh -m 0
+bindsym $mod+Shift+0 exec ~/.config/i3/multi-monitor-workspaces.sh -m 10
 
 # move focused container and switch to workspace
 bindsym Mod1+Shift+1 exec ~/.config/i3/multi-monitor-workspaces.sh -ms 1
@@ -143,7 +140,7 @@ bindsym Mod1+Shift+6 exec ~/.config/i3/multi-monitor-workspaces.sh -ms 6
 bindsym Mod1+Shift+7 exec ~/.config/i3/multi-monitor-workspaces.sh -ms 7
 bindsym Mod1+Shift+8 exec ~/.config/i3/multi-monitor-workspaces.sh -ms 8
 bindsym Mod1+Shift+9 exec ~/.config/i3/multi-monitor-workspaces.sh -ms 9
-bindsym Mod1+Shift+0 exec ~/.config/i3/multi-monitor-workspaces.sh -ms 0
+bindsym Mod1+Shift+0 exec ~/.config/i3/multi-monitor-workspaces.sh -ms 10
 
 # reload the configuration file
 bindsym $mod+Shift+c reload

.config/i3/multi-monitor-workspaces.sh

@@ -25,25 +25,12 @@ done
 shift $((OPTIND - 1))
 [ $# -gt 0 ] || usage
 
-outputs="$(i3-msg -t get_outputs | jq -r '.[] | select(.active).name')"
-num_outs="$(printf "%s\n" "$outputs" | wc -l)"
-
-if [ "$num_outs" -lt 2 ]; then
-	# only one monitor
-	workspace="$1"
-else
-	name="$(i3-msg -t get_tree \
+name="$(i3-msg -t get_tree \
 	| jq -r '.. | objects | select(.focused).output')"
-	num="$(printf "%s\n" "$outputs" \
-		| grep -Fxn "$name" \
-		| cut -d: -f1)"
-	num="$((num - 1))"
 
-	# Omit the number on the first monitor
-	[ "$num" -gt 0 ] || num=
-
-	workspace="$num$1"
-fi
+# NOTE: See `strip-wsnames` in polybar config. With it every monitor has its own
+#       1-10 workspaces
+workspace="$1: $name"
 
 if [ -z "$switch" ] && [ -z "$move" ]; then
 	printf "%s\n" "$workspace"

.config/kitty/daemon.sh

@@ -0,0 +1,34 @@
+#!/bin/sh
+# SPDX-License-Identifier: MIT
+# Copyright (c) 2025 Julian Prein
+#
+# Usage: kitty-daemon [GROUP_NAME]
+#
+# Daemonize kitty by launching one hidden instance that new invocations can use
+# to create new OS windows. This makes kitty startup a lot faster since all
+# windows can now share a single CPU process and GPU sprite cache. Additionally
+# allow remote_control over a socket, so that kitty-cwd works.
+#
+# To launch new invocations using the daemon created by this script use:
+#
+#     kitty --single-instance
+#
+# You can pass an optional instance-group as first parameter. In that case use:
+#
+#     kitty --single-instance --instance-group <NAME>
+#
+# NOTE: `--start-as hidden` needs kitty 0.42.0 or later.
+
+TMP_DIR="${TMPDIR:-/tmp}/kitty.$USER"
+mkdir -p "$TMP_DIR"
+
+name="kitty${1:+-$1}"
+
+kitty \
+	--single-instance \
+	${1:+--instance-group "$1"} \
+	--start-as hidden \
+	--detach \
+	--detached-log "$(mktemp -p "$TMP_DIR" "$name.XXXXXX.log")" \
+	-o allow_remote_control=socket-only \
+	--listen-on unix:"$TMP_DIR/$name.sock"

.config/kitty/get_cwd.sh

@@ -2,22 +2,24 @@
 # SPDX-License-Identifier: MIT
 # Copyright (c) 2025 Julian Prein
 #
+# Usage: kitty-cwd [GROUP_NAME]
+#
 # Print the current working directory of the focused kitty window. Returns 4 if
 # none exist or is focused.
 
-# NOTE: the backticks are used for hacky line-continuation, taken from
-#       https://stackoverflow.com/a/7729087/2092762c9
-kitten @ --to unix:/tmp/mykitty ls \
-	| jq -er ".[]`
-		` | select(.is_focused).tabs.[]`
-		` | select(.is_focused).windows.[]`
-		` | select(.is_focused).cwd"
+if [ -n "$KITTY_LISTEN_ON" ]; then
+	socket_path="${KITTY_LISTEN_ON#unix:}"
+else
+	socket_path="${TMPDIR:-/tmp}/kitty.$USER/kitty${1:+-$1}.sock"
+fi
+[ -e "$socket_path" ] || exit 1
 
-# An alternative version that uses recursive descent to find focused objects
-# that also have a `.cwd` key:
-#
-#	| jq -er "..`
-#		` | objects`
-#		` | select(.is_focused)`
-#		` | to_entries.[]`
-#		` | select(.key == \"cwd\").value"
+# NOTE: Unfortunately kitten-@-ls(1) is slow, so communicate with the socket
+#       directly.
+printf '\eP@kitty-cmd{%s,%s,%s}\e\\' \
+	'"cmd":"ls"' \
+	'"version":[0,26,0]' \
+	'"payload":{"match":"state:focused"}' \
+| nc -U -q0 "$socket_path" \
+| awk '{ print substr($0, 13, length($0) - 14) }' \
+| jq -er ".data | fromjson | .[].tabs.[].windows.[].cwd"

.config/kitty/kitty.conf

@@ -20,7 +20,7 @@
 #: <https://sw.kovidgoyal.net/kitty/kittens/choose-fonts/#font-spec-
 #: syntax>.
 
-# font_size 11.0
+font_size 12.0
 
 #: Font size (in pts).
 
@@ -630,7 +630,7 @@ mouse_hide_wait -1
 #: If empty (default) select_by_word_characters will be used for both
 #: directions.
 
-# click_interval -1.0
+click_interval 0.4
 
 #: The interval between successive clicks to detect double/triple
 #: clicks (in seconds). Negative numbers will use the system default
@@ -1763,7 +1763,7 @@ close_on_child_death yes
 #: special value of ask means that kitty will ask before opening the
 #: link when clicked.
 
-# shell_integration enabled
+shell_integration no-cursor
 
 #: Enable shell integration on supported shells. This enables features
 #: such as jumping to previous prompts, browsing the output of the
@@ -2521,7 +2521,8 @@ map kitty_mod+shift+backspace change_font_size all 0
 
 #: Open URL
 
-map kitty_mod+e open_url_with_hints
+# map kitty_mod+e open_url_with_hints
+map kitty_mod+f open_url_with_hints
 
 #::  Open a currently visible URL using the keyboard. The program used
 #::  to open the URL is specified in open_url_with.

.config/lesskey

@@ -6,11 +6,17 @@
 # NOTE: the current file can be edited with `v` already, but this doesn't work
 #       when reading from stdin
 # NOTE: ^P omits the "done" message
+# NOTE: '' jumps back to the previous position
 #
-# edit in vim without any ANSI SGR sequences (e.g. color)
-e noaction g|$no-ansi-sgr | nvim -\n
+# edit in vim without any ANSI escape sequences (e.g. color)
+e noaction g|$no-ansi | nvim -\n''
 # edit in vim while keeping them
-E noaction g|$nvim -\n
+E noaction g|$nvim -\n''
+# edit current screen in vim
+^E noaction |.no-ansi | nvim -\n
+
+# copy whole file
+^Y noaction g|$xclip -selection clipboard\n''
 
 #env
 # NOTE: Lines need a trailing space when concatenating

.config/polybar/config

@@ -40,6 +40,7 @@ enable-ipc = true
 type = internal/i3
 pin-workspaces = true
 format = <label-state> <label-mode>
+strip-wsnames = true
 index-sort = true
 wrapping-scroll = false
 

.config/polybar/launch.sh

@@ -22,10 +22,11 @@ done
 if ! pgrep -ax polybar >/dev/null 2>&1; then
 	# launch Polybar on every monitor
 	# https://github.com/polybar/polybar/issues/763
-	while read -r m; do
-		export MONITOR="${m%%:*}"
+	polybar --list-monitors \
+	| cut -d: -f1 \
+	| xargs -I'{}' -P0 \
+		env MONITOR='{}' \
 			polybar --reload -c "$BASE_DIR/config" main &
-	done <<<"$(polybar --list-monitors)"
 
 	echo "Polybar launched..."
 else

.config/tmux/tmux.conf

@@ -361,10 +361,12 @@ bind S set -w synchronize-panes
 set -g remain-on-exit on
 if -F "#{>=:#{version},3.3}" {
 	bind -n C-d if -F "#{pane_dead}" { kill-pane } { send }
+	bind -n Escape if -F "#{pane_dead}" { kill-pane } { send }
 	bind -n Enter if -F "#{pane_dead}" { respawn-pane } { send }
 } {
 	# omitting the key argument was introduced in 3.3
 	bind -n C-d if -F "#{pane_dead}" { kill-pane } { send C-d }
+	bind -n Escape if -F "#{pane_dead}" { kill-pane } { send Escape }
 	bind -n Enter if -F "#{pane_dead}" { respawn-pane } { send Enter }
 }
 

.config/vim/after/ftplugin/man.vim

@@ -37,18 +37,30 @@ setlocal showbreak=NONE
 " This is very hacky.
 
 " Only if WinResized is supported
-if has('##WinResized')
+if exists('##WinResized')
 
 augroup man_resized
 	" The reload has to be delayed slightly, since with an `edit` directly in
 	" the autocmd, the buffer will just be cleared? (TODO)
-	" NOTE: One could add a wrapper function that checks for the existence of
-	"       already running timers similar to how it's done in the
-	"       highlight_current group (see autocommands.vim), but this feels
-	"       overkill here.
-	au! WinResized <buffer> call timer_start(10, function("s:redraw_delayed"))
+	au! WinResized <buffer> call s:redraw_man(v:event)
 augroup END
 
+function s:redraw_man(event)
+	if exists('w:disable_man_resizing')
+		return
+	endif
+
+	if exists('w:man_resizing_timer_id')
+		call timer_stop(w:man_resizing_timer_id)
+	endif
+
+	echo a:event
+
+	" TODO: make sure that a:event contains window number and that the width
+	"       actually changed with getwininfo()
+	let w:man_resizing_timer_id = timer_start(10, function("s:redraw_delayed"))
+endfunction
+
 " The function can't be redefined during the reload of the ftplugin (i.e.
 " triggered by `edit`), since it is currently executing (i.e. `edit`):
 "
@@ -56,6 +68,8 @@ augroup END
 "
 if !exists("*s:redraw_delayed")
 	function s:redraw_delayed(timer_id)
+		unlet w:man_resizing_timer_id
+
 		" Try to keep the position as close as possible, since edit will move to
 		" the start of the file
 		" TODO: this should be more accurate
@@ -72,5 +86,5 @@ endif
 " lines, messing up the whole buffer. Since this is distracting, turn it off.
 setlocal nowrap
 
-endif " has('##WinResized')
+endif " exists('##WinResized')
 " ------------------------------------------------------------------------------

.config/vim/after/syntax/markdown.vim

@@ -0,0 +1,11 @@
+" Either not at the start of the line, or otherwise not followed by a colon
+syntax match markdownFootnoteZero  /\v(.@1<=\[\^0\])|(^\[\^0\]:@!)/ conceal cchar=⁰
+syntax match markdownFootnoteOne   /\v(.@1<=\[\^1\])|(^\[\^1\]:@!)/ conceal cchar=¹
+syntax match markdownFootnoteTwo   /\v(.@1<=\[\^2\])|(^\[\^2\]:@!)/ conceal cchar=²
+syntax match markdownFootnoteThree /\v(.@1<=\[\^3\])|(^\[\^3\]:@!)/ conceal cchar=³
+syntax match markdownFootnoteFour  /\v(.@1<=\[\^4\])|(^\[\^4\]:@!)/ conceal cchar=⁴
+syntax match markdownFootnoteFive  /\v(.@1<=\[\^5\])|(^\[\^5\]:@!)/ conceal cchar=⁵
+syntax match markdownFootnoteSix   /\v(.@1<=\[\^6\])|(^\[\^6\]:@!)/ conceal cchar=⁶
+syntax match markdownFootnoteSeven /\v(.@1<=\[\^7\])|(^\[\^7\]:@!)/ conceal cchar=⁷
+syntax match markdownFootnoteEight /\v(.@1<=\[\^8\])|(^\[\^8\]:@!)/ conceal cchar=⁸
+syntax match markdownFootnoteNine  /\v(.@1<=\[\^9\])|(^\[\^9\]:@!)/ conceal cchar=⁹

.config/vim/ftplugin/gitcommit.vim

@@ -3,6 +3,9 @@ setlocal colorcolumn+=51
 setlocal textwidth=72
 " Spell checking always enabled
 setlocal spell spelllang=en
+" Disable C-indentation as it messes up formatting of paragraphs containing
+" parentheses
+setlocal nocindent
 
 " Disable gutentags as it seems to regenerate the entire tags file when editing
 " git-commits...
@@ -17,3 +20,27 @@ let g:gutentags_enabled = 0
 " When aborting a commit I usually use :cq which I can't when committing through
 " fugitive. Abbreviate it to something that works.
 cabbrev <buffer> cq %d <Bar> x
+
+" Fold file listings (staged, unstaged, untracked, ...) and diff
+setlocal foldmethod=syntax
+
+" Unfold staged files and diff. inspired by:
+" https://vi.stackexchange.com/questions/4050/how-to-search-for-pattern-in-certain-syntax-regions/27008#27008
+if has("patch-8.2.0915") || has("nvim-0.7.0")
+
+function s:open_fold(group, content)
+	" Find line containing `content` that is highlighted with `group`
+	let l:line_nr = search(a:content, "n", 0, 0, { ->
+		\ synstack('.', col('.'))
+		\ ->map('synIDattr(v:val, "name")')
+		\ ->match(a:group) < 0 })
+	if l:line_nr <= 0
+		return
+	endif
+	execute l:line_nr->string() .. "foldopen"
+endfunction
+
+call s:open_fold("gitcommitSelected", "Changes to be committed:")
+call s:open_fold("gitcommitDiff", "diff --")
+
+endif " has("patch-8.2.0915") || has("nvim-0.7.0")

.config/vim/ftplugin/markdown.vim

@@ -1,5 +1,8 @@
 " Turn on line-wrapping
 setlocal wrap
+" Disable C-indentation as it messes up formatting of paragraphs containing
+" parentheses
+setlocal nocindent
 
 " Fold by sections
 function! MdSectionFold()

.config/vim/ftplugin/tex.vim

@@ -1,5 +1,8 @@
 " Turn on line-wrapping
 setlocal wrap
+" Disable C-indentation as it messes up formatting of paragraphs containing
+" parentheses
+setlocal nocindent
 
 " Close the quickfix window after a cursor movement
 let g:vimtex_quickfix_autoclose_after_keystrokes = 1

.config/vim/ftplugin/vimwiki.vim

@@ -1,3 +1,7 @@
+" Disable C-indentation as it messes up formatting of paragraphs containing
+" parentheses
+setlocal nocindent
+
 " Don't highlight Unicode table separator (e.g. vertical box drawing character).
 " See vimrc.d/looks.vim for w:ignore_non_ascii_chars
 if vimwiki#vars#get_syntaxlocal('rxTableSep') !~ '[\d0-\d127]'

.config/vim/vimrc.d/20-plugins.vim

@@ -15,8 +15,10 @@ endfor
 " needs vim >= 8.1.1719 to support features like popup and text property as well
 " as nodejs.
 if ((has('patch-8.1.1719') || has('nvim')) && executable('node'))
-	let g:coc_global_extensions =
-		\ ['coc-clangd', 'coc-sh', 'coc-pyright', 'coc-vimtex', 'coc-vimlsp', 'coc-json']
+	let g:coc_global_extensions = [
+		\ 'coc-clangd', 'coc-sh', 'coc-pyright', 'coc-vimtex',
+		\ 'coc-vimlsp', 'coc-json', 'coc-go'
+	\ ]
 	let g:coc_config_home = $XDG_CONFIG_HOME .. "/vim"
 	packadd coc.nvim
 endif
@@ -24,10 +26,13 @@ endif
 " ctags
 if (executable('ctags'))
 	packadd vim-gutentags
+	" Don't index these folders
 	let g:gutentags_ctags_exclude = [
 		\ 'node_modules/*',
 		\ '.git/*',
-		\ 'build/*'
+		\ 'build/*',
+		\ 'venv/*',
+		\ '__pycache__/*'
 	\]
 endif
 
@@ -36,6 +41,12 @@ if (exists("g:loaded_tmux_navigator"))
 	let g:tmux_navigator_disable_when_zoomed = 1
 endif
 
+if (get(g:, 'loaded_fzf_vim'))
+	let g:fzf_vim = {}
+	" Use location list instead of quickfix list
+	let g:fzf_vim.listproc = { list -> fzf#vim#listproc#location(list) }
+endif
+
 if (get(g:, 'loaded_vimwiki'))
 	" Use vertical box drawing character as table separator
 	call vimwiki#vars#set_syntaxlocal('rxTableSep', '│')
@@ -45,4 +56,6 @@ if exists("g:loaded_nrrw_rgn")
 	" Open narrow window above or to the left of the current window (default
 	" is topleft). See :h aboveleft etc.
 	let g:nrrw_topbot_leftright = 'aboveleft'
+	" Leave one more line of padding when the window is small
+	let g:nrrw_rgn_pad = 1
 endif

.config/vim/vimrc.d/25-coc.vim

@@ -6,10 +6,6 @@ if !exists('g:did_coc_loaded')
 	finish
 endif
 
-" Some servers have issues with backup files, see #649.
-set nobackup
-set nowritebackup
-
 " Always show the signcolumn, otherwise it would shift the text each time
 " diagnostics appear/become resolved.
 set signcolumn=yes
@@ -68,7 +64,7 @@ endif
 
 " Make <CR> to accept selected completion item or notify coc.nvim to format
 " <C-g>u starts a new undo break, please make your own choice.
-inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
+inoremap <silent><expr> <CR> coc#pum#visible() ? coc#_select_confirm()
                               \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"
 
 " Use `[g` and `]g` to navigate diagnostics

.config/vim/vimrc.d/30-settings.vim

@@ -119,6 +119,15 @@ if (exists('g:loaded_gitgutter'))
 	" lines have been changed.
 	set foldtext=gitgutter#fold#foldtext()
 endif
+" Use the number column for the signcolumn (e.g. gitgutter, lsp diagnostics),
+" but don't fallback to 'auto' when &number is off
+" TODO: install autocommand to set signcolumn to yes when number is turned off
+"   (and back to number when turned back on)
+if &number
+	set signcolumn=number
+else
+	set signcolumn=yes
+endif
 
 " Netrw
 " Use tree style listing

.config/vim/vimrc.d/40-keys.vim

@@ -91,40 +91,56 @@ elseif (has('terminal'))
 	nmap <leader><CR> <Cmd>terminal<CR>
 endif
 
-" Plugin specific bindings
 if (get(g:, 'loaded_fzf'))
-	nmap <leader>f <Cmd>Files<CR>
-	nmap <leader>j <Cmd>Lines<CR>
-	nmap <leader>/ <Cmd>Lines<CR>
-	nmap <leader>h <Cmd>Helptags<CR>
-	" TODO: fix this?
-	if (get(g:, 'loaded_gutentags') || 1)
-		nmap <leader>t <Cmd>Tags<CR>
-		nmap <leader>bt <Cmd>BTags<CR>
-	endif
+	nmap <leader>ff <Cmd>Files<CR>
+	nmap <leader>fj <Cmd>Lines<CR>
+	nmap <leader>f/ <Cmd>Lines<CR>
+	nmap <leader>fh <Cmd>Helptags<CR>
+	nmap <leader>ft <Cmd>Tags<CR>
+	nmap <leader>fbt <Cmd>BTags<CR>
+	" git files that `git status` lists
+	nmap <leader>fgf <Cmd>GFiles?<CR>
+	" 'git log (log?)' and 'git log buffer '
+	map <leader>fgll <Cmd>Commits<CR>
+	map <leader>fglb <Cmd>BCommits<CR>
+	" TODO: <leader>fglb should restrict the log to all staged files when called
+	" in .git/COMMIT_EDITMSG, maybe with an ftplugin?
 endif
 
 " Search for selected text.
-" Modified from https://vim.fandom.com/wiki/Search_for_visually_selected_text
-function! GetVisualSelection()
-	let l:old_reg = getreg('"')
-	let l:old_regtype = getregtype('"')
+" Modified version of:
+" https://vim.fandom.com/wiki/Search_for_visually_selected_text
+" and https://github.com/neovim/neovim/blob/08847a9ea15a/runtime/lua/vim/_defaults.lua#L73-L79
+function! GetVisualSelection(escape = "", byteescape = 'n')
+	let l:save_reg = getreginfo('"')
 	norm gvy
 	let l:sel = getreg('"')
-	call setreg('"', l:old_reg, l:old_regtype)
+	call setreg('"', l:save_reg)
+
+	let l:sel = l:sel->escape(a:escape)
+	for l:char in a:byteescape
+		let l:sel = l:sel->substitute('\'..l:char, '\\'..l:char, 'g')
+	endfor
+
 	return l:sel
 endfunction
 
-vmap * /\V<C-R>=escape(GetVisualSelection(),'/\')<CR><CR>
-vmap # ?\V<C-R>=escape(GetVisualSelection(),'?\')<CR><CR>
+" In case these do not exist already (At the time of writing only Neovim adds
+" mappings for these)
+if maparg('*', 'v', 0, 1) == {}
+	vmap * /\V<C-R>=GetVisualSelection('/\')<CR><CR>
+	vmap # ?\V<C-R>=GetVisualSelection('?\')<CR><CR>
+endif
 
 " Extended `*`. Starts vim search (without jump) and ripgrep
 nmap <leader>* :let @/ = '\<' . expand('<cword>') . '\>' <bar>
              \  set hlsearch <bar>
              \  Rg \b<C-R>=expand('<cword>')<CR>\b<CR>
-vmap <leader>* :<C-U>let @/ = "\\V<C-R>=escape(escape(GetVisualSelection(), '\'), '"\')<CR>" <bar>
+" TODO: pass --multiline to rg when multiple lines selected
+" TODO: Use ^ and $ anchors in visual-line mode
+vmap <leader>* :<C-U>let @/ = "\\V<C-R>=escape(GetVisualSelection('\'), '"\')<CR>" <bar>
              \  set hlsearch <bar>
-             \  Rg <C-R>=escape(GetVisualSelection(), '.\[]<bar>*+?{}^$()')<CR><CR>
+             \  Rg <C-R>=GetVisualSelection('.\[]<bar>*+?{}^$()', 'nt')<CR><CR>
 nmap <leader>g* :let @/ = expand('<cword>') <bar>
              \  set hlsearch <bar>
              \  Rg <C-R>=expand('<cword>')<CR><CR>
@@ -136,7 +152,8 @@ vmap <leader>/ <Esc><leader>v/
 
 " Select last pasted text in same visual mode as it was selected (v, V, or ^V)
 " Taken from: https://vim.fandom.com/wiki/Selecting_your_pasted_text
-nnoremap <expr> gp '`[' . strpart(getregtype(), 0, 1) . '`]'
+" TODO: I want the gp default back - find new mapping
+" nnoremap <expr> gp '`[' . strpart(getregtype(), 0, 1) . '`]'
 
 " Git bindings
 
@@ -153,10 +170,9 @@ nmap <leader>grc :let subject=system('git show -s --date=short --pretty="format:
 nmap <leader>gso :r!git config --get user.name<CR>:r!git config --get user.email<CR>I<<ESC>A><ESC>kJISigned-off-by: <ESC>
 
 " Add, stash or checkout the current file
-" TODO: Conflict with <leader>gf
-"nmap <leader>gfa <Cmd>!git add -- %<CR>
-"nmap <leader>gfs <Cmd>!git stash -- %<CR>
-"nmap <leader>gfu <Cmd>!git checkout -- %<CR>
+nmap <leader>gfa <Cmd>!git add -- %<CR>
+nmap <leader>gfs <Cmd>!git stash -- %<CR>
+nmap <leader>gfu <Cmd>!git checkout -- %<CR>
 
 if exists('g:loaded_fugitive')
 	" Interactive `git status`
@@ -165,6 +181,8 @@ if exists('g:loaded_fugitive')
 	nmap <leader>gcc <Cmd>G commit<CR>
 	" Amend the current commit and open the message in a split
 	nmap <leader>gca <Cmd>G commit --amend<CR>
+	" Commit with the last commit message as template
+	nmap <leader>gclm <Cmd>G commit-last-msg<CR>
 	" Move to root of directory
 	nmap <leader>gcd <Cmd>Gcd<CR>
 	" git blame in scroll bound vertical split (only the commit hashes, see
@@ -191,19 +209,12 @@ if exists('g:loaded_gitgutter')
 	xmap ih <Plug>(GitGutterTextObjectInnerVisual)
 	xmap ah <Plug>(GitGutterTextObjectOuterVisual)
 	" Same for hunk navigation bindings + center line
+	" TODO: <leader>[h to jump between **all** hunks across all modified
+	"       files. (similar to `add -p`)
 	nmap [h <Plug>(GitGutterPrevHunk)zz
 	nmap ]h <Plug>(GitGutterNextHunk)zz
 endif
 
-if (get(g:, 'loaded_fzf'))
-	" git files that `git status` lists
-	nmap <leader>gf <Cmd>GFiles?<CR>
-	" 'git log (log?)' and 'git log buffer '
-	map <leader>gll <Cmd>Commits<CR>
-	map <leader>glb <Cmd>BCommits<CR>
-	" TODO: <leader>glb should restrict the log to all staged files when called
-	" in .git/COMMIT_EDITMSG, maybe with an ftplugin?
-endif
 
 " Y should behave like D & C does
 nnoremap Y y$
@@ -441,7 +452,7 @@ vnoremap <leader><C-L> gu
 " `ExpandVisualSelection(1)` which results in a block selection that spans over
 " all other TODOs as well.
 function! ExpandVisualSelection(direction)
-	let l:sel = escape(GetVisualSelection(), '\')
+	let l:sel = GetVisualSelection('\')
 	normal gv
 
 	" Move the cursor onto the side of the selection that points in the

.config/vim/vimrc.d/50-looks.vim

@@ -50,14 +50,24 @@ if (get(g:, 'loaded_fzf'))
 	endif
 endif
 
+" Get red from my colorscheme
+let s:red = {}
+if exists("*onedark#GetColors")
+	let s:red = onedark#GetColors()->get("red", {})
+endif
+let s:red_cterm = s:red->get("cterm", "red")
+let s:red_gui = s:red->get("gui", "red")
+
 " Highlight trailing whitespaces
 if match(&listchars, 'trail: \@!') > -1 && match(&listchars, '\vtab:( +)@!') > -1
 	" Use foreground for coloring if tabs and trailing spaces are displayed
 	" as non-space characters
-	highlight TrailingWhitespace ctermfg=red guifg=red
+	execute "highlight TrailingWhitespace ctermfg=" .. s:red_cterm
+	                                 \ .. " guifg=" .. s:red_gui
 else
 	" Background otherwise
-	highlight TrailingWhitespace ctermbg=red guibg=red
+	execute "highlight TrailingWhitespace ctermbg=" .. s:red_cterm
+	                                 \ .. " guibg=" .. s:red_gui
 endif
 augroup HighlightTrailingWhitespace
 	au!
@@ -74,8 +84,10 @@ let g:spl_special_chars = {
 	\ 'fr': 'àâæçèéêëîïôœùûüÿÀÂÆÇÈÉÊËÎÏÔŒÙÛÜŸ',
 \ }
 
-" Highlight non-ASCII characters in the red used by my color scheme "OneDark"
-highlight NonASCIIChars ctermfg=white guifg=white ctermbg=204 guibg=#e06c75
+" Highlight non-ASCII characters in red
+execute "highlight NonASCIIChars ctermfg=white guifg=white "
+	\ .. "ctermbg=" .. s:red_cterm .. " guibg=" .. s:red_gui
+
 " Do not highlight special characters that are valid in the respective spelllang
 function! HighlightNonASCIIChars()
 	if exists('w:non_ascii_match_id')

.config/zsh/autoload/git/git-branch-rename

@@ -0,0 +1,26 @@
+#!/usr/bin/env zsh
+# SPDX-License-Identifier: MIT
+# Copyright (c) 2025 Julian Prein
+#
+# Rename a branch locally and on a given remote.
+
+emulate -L zsh -o err_return -o no_unset
+
+if (( # < 2 || # > 3 )); then
+	printf >&2 "Usage: %s OLD NEW [REMOTE]\n" "${0:t}"
+	return 1
+fi
+
+local old new remote
+old="$1"
+new="$2"
+remote="${3:-origin}"
+
+if ! git remote -v | awk '{ print $1 }' | uniq | grep -q "$remote"; then
+	printf >&2 "Remote '%s' does not exist\n" "$remote"
+	return 1
+fi
+
+git checkout-worktree "$old" <<EOF
+git branch -m "$new" && git push -u && git push -d "$remote" "$old"
+EOF

.config/zsh/autoload/git/git-checkout-worktree

@@ -31,11 +31,13 @@
 
 emulate -L zsh -o err_return -o no_unset
 
-local REPO_NAME WORKTREE_PATH
+local git_dir cwd_offset REPO_NAME WORKTREE_PATH
 # Use the folder name of the main working tree to make calls from another
 # temporary working tree possible
-REPO_NAME="${${${$(git rev-parse --git-dir):A}%%/.git*}:t}"
-WORKTREE_PATH="$(mktemp -d -p "" "worktree.XXX.$REPO_NAME.${1//\//_}")"
+git_dir="${$(git rev-parse --git-dir):A}"
+[[ $git_dir == */.git/modules/* ]] || git_dir="${git_dir%%/.git*}"
+REPO_NAME="${git_dir:t}"
+WORKTREE_PATH="$(mktemp -d -p "" "wtree.$REPO_NAME.${1//\//_}.XXX")"
 
 local errc ret=0
 git worktree add "$WORKTREE_PATH" "$@" || ret=$?
@@ -47,11 +49,27 @@ fi
 
 trap '
 	errc=$?
-	<&2 printf "Exiting abnormally. Check and possibly remove '$WORKTREE_PATH' manually.\n"
+	printf >&2 "Exiting abnormally. Check and possibly remove \"%s\" manually.\n" "'"$WORKTREE_PATH"'"
 	return $errc
 ' INT QUIT TERM EXIT
 
+cwd_offset="${${PWD#$(git rev-parse --show-toplevel)}#/}"
 pushd -q "$WORKTREE_PATH"
+until [[ -d $cwd_offset || -z $cwd_offset ]]; do
+	cwd_offset="${cwd_offset:h}"
+done
+[[ -z $cwd_offset ]] || cd "$cwd_offset"
+
+# Discard some environment variables that were set by git when calling this
+# script through an alias.
+#
+# Is set for submodules and will confuse git in the subshell
+unset GIT_DIR
+# Not sure if this can bring any issues, but better be safe
+unset GIT_PREFIX
+# TODO: Do we want to unset this too? Could have been set on purpose by the user
+#  and not git. Maybe only for the subshell via `env`?
+#unset GIT_EXEC_PATH
 
 "$SHELL" && errc=$? || errc=$?
 (( !errc )) || echo "shell exited with $errc"
@@ -59,7 +77,7 @@ pushd -q "$WORKTREE_PATH"
 # Restart the shell (forcefully interactive) until the worktree is removed
 until [[ ! -e "$WORKTREE_PATH" ]] || git worktree remove "$WORKTREE_PATH"; do
 	[[ -t 0 ]] ||
-		>&2 printf "Dropping into interactive shell to resolve conflicts\n"
+		printf >&2 "Dropping into interactive shell to resolve conflicts\n"
 	"$SHELL" -i && errc=$? || errc=$?
 	(( !errc )) || echo "shell exited with $errc"
 done

.config/zsh/autoload/git/git-track

@@ -1,6 +1,20 @@
 #!/usr/bin/env zsh
 
-git for-each-ref --format='%(upstream),%(refname)' refs/heads refs/remotes \
+local idx="${@[(ei)--help]}"
+local flags_end="${@[(ei)--]}"
+if (( idx < flags_end )); then
+	printf "Usage: $0 [--all] [REMOTE]..."
+	return 0
+fi
+
+idx="${@[(ei)--all]}"
+if (( idx < flags_end )); then
+	# Replace --all flag with empty string. Will be replaced with
+	# refs/remotes/ later so that all remotes are listed
+	set -- "${@[1,$((idx-1))]}" "" "${@[$((idx+1)),-1]}"
+fi
+
+git for-each-ref --format='%(upstream),%(refname)' refs/heads "${@/#/refs/remotes/}" \
 	| sort -d \
 	| sed -Ez '
 		s:(^|\n|,)refs/(heads|remotes/):\1:g
@@ -8,9 +22,8 @@ git for-each-ref --format='%(upstream),%(refname)' refs/heads refs/remotes \
 		s:,/:,:g
 		s:(^|\n)([^,]+),\n\2:\1\2:g
 		s:(^|\n)([^/,]*)([^\n]*\n\2(,|/))*:\n,\n&:g
-		s:\n,\n+$:\n:
-	  ' \
-	| (echo remote,local; cat) \
+		s:\n,\n+$:\n:' \
+	| { echo remote,local; cat; } \
 	| sed -E 's:(.*),(.*):\2,\1:g; s:^,: ,:; s:,$:, :' \
 	| column -ts, \
 	| sed '2d; 1{p;s/./―/g}'

.config/zsh/autoload/git/glog

@@ -105,6 +105,7 @@ local -A binds=(
 	"end"    "last"
 	"ctrl-d" "half-page-down"
 	"ctrl-u" "half-page-up"
+	"ctrl-s" "toggle-sort"
 	"ctrl-t" "toggle-track"
 	# Keep the current line selected while deleting the query
 	"bspace"       "track-current+backward-delete-char"
@@ -120,11 +121,11 @@ local -A binds=(
 	# TODO: This assumes less to be used in core.pager
 	"enter" "execute@$fzf_preview[patch] | $pager -+F@"
 	# Preview stats
-	"ctrl-s" "change-preview($fzf_preview[stat])"
+	"ctrl-alt-s" "change-preview($fzf_preview[stat])"
 	# Preview patch
-	"ctrl-p" "change-preview($fzf_preview[patch])"
+	"ctrl-alt-p" "change-preview($fzf_preview[patch])"
 	# Files only
-	"ctrl-f" "change-preview($fzf_preview[files_only])"
+	"ctrl-alt-f" "change-preview($fzf_preview[files_only])"
 	# For ctrl-space see below
 )
 
@@ -132,13 +133,21 @@ local -A binds=(
 #       fzf_preview[stat] in this case). It does not really make sense to pass
 #       it to `git log` but can be an indicator for the preview function
 
+local color_brown=$'\e[38;5;144m'
+local color_grey=$'\e[38;5;59m'
+local header=""
+header+="${color_brown}Enter${color_grey}: fullscreen, "
+header+="${color_brown}C-y${color_grey}: yank hash, "
+header+="${color_brown}C-Space${color_grey}: cycle preview, "
+header+="${color_brown}C-A-[spf]${color_grey}: preview stats/patch/files"
+
 local -a fzf_args=(
 	# Understand ansi color escape sequences.
 	"--ansi"
 	# Expand the binds array in the format "key1:value1,key2:value2".
 	"--bind" "${(@kj:,:)binds/(#m)*/$MATCH:$binds[$MATCH]}"
 	# Display key-bindings in a sticky header
-	"--header" $'\e[38;5;144mEnter\e[38;5;59m: fullscreen, \e[38;5;144mC-y\e[38;5;59m: yank hash, \e[38;5;144mC-Space\e[38;5;59m: cycle preview, \e[38;5;144mC-[spf]\e[38;5;59m: preview stats/patch/files'
+	"--header" "$header"
 	# Keep header above prompt line
 	"--header-first"
 	# Execute git show on the commit as preview.

.config/zsh/zshrc.d/30-alias.zsh

@@ -128,7 +128,7 @@ fi
 	# Use a reasonable time format
 	alias date='env LC_TIME=tk_TM date'
 	# List human readable sizes in order
-	alias sizes='du -sch * | sort -h'
+	alias sizes='() { du -sch ${1:-*} "${@[2,-1]}" | sort -h }'
 	# Count number of occurrences for every line in stdin
 	alias count='sort | uniq -c | sort -n'
 	# Inspired by https://stackoverflow.com/a/54541337
@@ -183,7 +183,7 @@ fi
 # Default flags
 	add_flags ls --color=auto --group-directories-first -p -v
 	add_flags grep --color=auto --exclude-dir=.git --exclude=tags
-	add_flags cp -i
+	add_flags cp -ia
 	add_flags mv -i
 	# Only add flags if rm is not aliased to a different command (e.g. trash).
 	# NOTE: This also works if rm is not yet aliased.

.local/bin/git-external-script

@@ -0,0 +1 @@
+../../.config/git/external-script.sh

.local/bin/git-zsh-autoload

@@ -1 +0,0 @@
-../../.config/git/zsh-autoload.sh

.local/bin/kitty-daemon

@@ -0,0 +1 @@
+../../.config/kitty/daemon.sh

.local/bin/no-ansi

@@ -3,5 +3,26 @@
 # Copyright (c) 2025 Julian Prein
 #
 # Remove ANSI escape sequences.
+#
+# Additionally to the general form `\e[ -/]*[0-~]` this also tries to cover
+# sequences that are followed by additional bytes (e.g. CSI, OSC). This script
+# covers no C1 sequences.
+#
+# The patterns cover the following escape sequences (from top to bottom):
+# - CSI
+# - OSC, DCS, PM & APC
+# - SOS
+# - All remaining sequences
+#
+# See:
+# - https://en.wikipedia.org/wiki/ANSI_escape_code
+# - https://www.ecma-international.org/wp-content/uploads/ECMA-35_6th_edition_december_1994.pdf
+# - https://www.ecma-international.org/wp-content/uploads/ECMA-48_5th_edition_june_1991.pdf
 
-env LC_ALL=C sed 's/\[[0-?]*[ -/]*[@-z]//g'
+env LC_ALL=C sed -E "$(printf "%b" \
+	's/' \
+	'\033\\[[0-?]*[ -/]*[@-~]' '|' \
+	'\033[]P^_][\010-\015 -~]*\033\\\\' '|' \
+	'\033X([^\033]|\033+[^\033X\\])*\033+\\\\' '|' \
+	'\033[ -/]*[0-~]' \
+	'//g')"

.local/bin/no-ansi-sgr

@@ -5,4 +5,4 @@
 # Remove ANSI SGR (Select Graphic Rendition) escape sequences, e.g. setting
 # color or bold font.
 
-env LC_ALL=C sed 's/\[[0-?]*[ -/]*m//g'
+env LC_ALL=C sed "$(printf 's/\033\\[[0-?]*[ -/]*m//g')"

meta/git/hooks/pre-commit

@@ -62,4 +62,119 @@ git diff --staged --name-only --diff-filter=AT $against \
 		fi
 	done
 	[ "$abort" -eq 0 ] || die
-}
+} || exit
+
+# Make sure that a deletion does not break any symlinks (including renaming a
+# file)
+# TODO: switch all these to null-terminated lines
+deleted_files="$(git diff-index --cached --name-only --diff-filter=D $against)"
+if [ -n "$deleted_files" ]; then
+	# First, check for broken symlinks in the tree
+	all_broken_links="$(find . -xtype l -exec stat -c '%N' '{}' '+')"
+
+	# NOTE: The cat could be replaced by instead adding the heredoc to the
+	#  `done` of the loop, but would make the code much less readable
+	cat <<EOF \
+	| while read -r deletion
+$deleted_files
+EOF
+	do
+		# As a first heuristic, check if there is a broken symlink with
+		# a target with the same basename as the deleted file
+		#
+		# TODO: stat escapes quotes sometimes. Does everything work
+		#  then?
+		possible_links="$(
+			grep "[\"'/]$(
+				basename "$deletion" \
+				| sed 's/[.[^$*\\]/\\&/g'
+			)[\"']\$" <<EOF
+$all_broken_links
+EOF
+		)"
+		[ -n "$possible_links" ] || continue
+
+		cat << EOF \
+		| while read -r link
+$possible_links
+EOF
+		do
+			# TODO: this is probably quite brittle, depending on how
+			#  `stat` quotes source and target
+			target="${link##* -> [\"\']}"
+			target="${target%[\"\']}"
+			source="${link%%[\"\'] -> *}"
+			source="${source#[\"\']}"
+
+			if [ -z "${target##/*}" ]; then
+				# absolute link
+				if [ "$target" = "$PWD/$deletion" ]; then
+					die "You broke the symlink $link"
+				fi
+			else
+				# relative link
+				target="$(realpath -m "$source/../$target")"
+				if [ "$target" = "$PWD/$deletion" ]; then
+					die "You broke the symlink $link"
+				fi
+			fi
+		done || exit
+	done || exit
+
+	# Second, check all symlinks in the index if they still point to the
+	# deleted file
+	all_links_in_index="$(
+		git ls-files --format="%(objectmode) %(objectname) %(path)" \
+		| grep '^120000'
+	)"
+
+	cat <<EOF \
+	| while read -r deletion
+$deleted_files
+EOF
+	do
+		# As a first heuristic, get all links in the tree with a target
+		# with the same basename as the deleted file
+		possible_links="$(
+			cut -d' ' -f2 <<EOF \
+			| git cat-file --batch \
+			| grep -B1 "\(^\|/\)$(
+				basename "$deletion" \
+				| sed 's/[.[^$*\\]/\\&/g'
+			)\$" \
+			| paste - -
+$all_links_in_index
+EOF
+		)"
+		[ -n "$possible_links" ] || continue
+
+		cat << EOF \
+		| while read -r link
+$possible_links
+EOF
+		do
+			target="${link#*	}"
+			source="$(
+				grep -F "${link%% *}" <<EOF \
+				| cut -d' ' -f3-
+$all_links_in_index
+EOF
+			)"
+
+			if [ -z "${target##/*}" ]; then
+				# absolute link
+				if [ "$target" = "$PWD/$deletion" ]; then
+					die "You broke the symlink \"$source\" -> \"$target\""
+				fi
+			else
+				# relative link
+				target="$(realpath -m "$source/../$target")"
+				if [ "$target" = "$PWD/$deletion" ]; then
+					die "You broke the symlink \"$source\" -> \"$target\""
+				fi
+			fi
+		done || exit
+	done || exit
+
+	# TODO: also check potential symlinks pointing to now empty directories
+fi