[ZSH] fzf history search on servers

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

setup_ubuntu.sh

@@ -9,7 +9,7 @@ shopt -s nullglob
 
 sudo apt -y update
 sudo apt -y dist-upgrade
-sudo apt -y install curl zsh tmux virtualenvwrapper powerline fonts-powerline python3 python3-pip python3-pynvim
+sudo apt -y install curl zsh tmux virtualenvwrapper powerline fonts-powerline python3 python3-pip python3-pynvim fzf
 sudo snap install --classic nvim
 ./clone_and_link.sh; true
 if [ $SHELL != "/bin/zsh" ]; then

setup_ubuntu_shared.zsh

@@ -7,7 +7,7 @@
 #
 sudo apt -y update
 sudo apt -y dist-upgrade
-sudo apt -y install curl zsh tmux virtualenvwrapper powerline fonts-powerline python3 python3-pip python3-pynvim
+sudo apt -y install curl zsh tmux virtualenvwrapper powerline fonts-powerline python3 python3-pip python3-pynvim fzf
 sudo snap install --classic nvim
 ./clone_and_link.sh shared; true
 if [ $SHELL != "/bin/zsh" ]; then

zsh/.zshrc

@@ -49,6 +49,19 @@ export SSH_REAL_SOCK=$SSH_AUTH_SOCK
 
 source "${ZDOTDIR:-$HOME}/.zsh/lib/interactive.zsh"
 
+# fzf keys (Ctrl-R/Ctrl-T/Alt-C, **<Tab>); after antidote, whose vi-mode rebinds ^R.
+# --zsh needs fzf >= 0.48; older apt builds ship the scripts instead.
+if (( $+commands[fzf] && ! shared_config )); then
+    if _fzf_init=$(fzf --zsh 2>/dev/null); then
+        eval "$_fzf_init"
+    else
+        for _fzf_init in /usr/share/doc/fzf/examples/{key-bindings,completion}.zsh; do
+            [[ -r $_fzf_init ]] && source $_fzf_init
+        done
+    fi
+    unset _fzf_init
+fi
+
 export LIBVIRT_DEFAULT_URI="qemu:///system"
 if (( ! shared_config )); then
     # Agent shells: </dev/null makes the prompt decline (exit 1) instead of blocking.