From bfd9abb5ff4e1bbd1e240ceb344a0b1c7a7fe327 Mon Sep 17 00:00:00 2001
From: Anton Bobov <anton@bobov.name>
Date: Fri, 22 Nov 2024 21:11:50 +0500
Subject: zsh: Fzf history with delete

Allow to delete history entry with Ctrl+d
---
 files/.zsh/rc/S90_fzf | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/files/.zsh/rc/S90_fzf b/files/.zsh/rc/S90_fzf
index eddbfdd..dbf210c 100644
--- a/files/.zsh/rc/S90_fzf
+++ b/files/.zsh/rc/S90_fzf
@@ -34,3 +34,45 @@ _gen_fzf_default_opts() {
   "
 }
 _gen_fzf_default_opts
+
+#
+# https://github.com/junegunn/fzf/discussions/3629
+#
+modified-fzf-history-widget() {
+  local selected
+  setopt localoptions noglobsubst noposixbuiltins pipefail no_aliases no_bash_rematch 2> /dev/null
+  # appends the current shell history buffer to the HISTFILE
+  builtin fc -AI $HISTFILE
+  # pushes entries from the $HISTFILE onto a stack and uses this history
+  builtin fc -p $HISTFILE $HISTSIZE $SAVEHIST
+  selected="$(builtin fc -rl 1 |
+    awk '{ cmd=$0; sub(/^[ \t]*[0-9]+\**[ \t]+/, "", cmd); if (!seen[cmd]++) print $0 }' |
+    FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} ${FZF_DEFAULT_OPTS-} -n2..,.. --scheme=history --bind=ctrl-r:toggle-sort,ctrl-z:ignore ${FZF_CTRL_R_OPTS-} --query=${(qqq)LBUFFER} --multi" $(__fzfcmd))"
+  local ret=$?
+	if [[ -n $selected ]]; then
+    if [[ "$selected" =~ ^[[:blank:]]*[[:digit:]]+ ]]; then
+	  builtin fc -pa "$HISTFILE"
+	  zle vi-fetch-history -n "$MATCH"
+    else # selected is a custom query, not from history
+      LBUFFER="$selected"
+    fi
+  fi
+  # Read the history from the history file into the history list
+  builtin fc -R $HISTFILE
+  zle reset-prompt
+  return $ret
+}
+zle -N modified-fzf-history-widget
+bindkey "^R" modified-fzf-history-widget
+
+
+export FZF_CTRL_R_OPTS="$(
+	cat <<'FZF_FTW'
+--bind "ctrl-d:execute-silent(zsh -ic 'builtin fc -p $HISTFILE $HISTSIZE $SAVEHIST; for i in {+1}; do ignore+=( \"${(b)history[$i]}\" );done;
+	HISTORY_IGNORE=\"(${(j:|:)ignore})\";builtin fc -W $HISTFILE')+reload:builtin fc -p $HISTFILE $HISTSIZE $SAVEHIST; builtin fc -rl 1 |
+	awk '{ cmd=$0; sub(/^[ \t]*[0-9]+\**[ \t]+/, \"\", cmd); if (!seen[cmd]++) print $0 }'"
+--bind 'enter:accept-or-print-query'
+--header 'enter select · ^d remove'
+--prompt ' Global History > '
+FZF_FTW
+)"
-- 
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