Code from https://www.youtube.com/watch?v=n6TJe_IrxGc

A developer shared a Neovim Lua function that copies a file path and optional line range to the clipboard, along with a Bash script that uses fzf to switch or create tmux sessions based on project directories and git worktrees.

| -- Copy file path / selection reference for pasting into AI chats | | | local function copy ref opts | | | -- "%" is the current buffer's file name; ":." makes it relative to the cwd | | | local path = vim.fn.expand "%:." | | | -- ref is what ends up in the clipboard; start with just the path | | | local ref = path | | | if opts.visual then | | | -- '< and ' are only set after leaving visual mode, so read the live selection: | | | -- "v" is the line where visual mode was started the anchor | | | local start line = vim.fn.line "v" | | | -- "." is the line the cursor is on now the moving end of the selection | | | local end line = vim.fn.line "." | | | -- if the selection was made upward, swap so start is always the smaller line | | | if start line end line then | | | start line, end line = end line, start line | | | end | | | -- append the range, e.g. "lua/config/keymaps.lua:1:23" | | | ref = path .. ":" .. start line .. ":" .. end line | | | end | | | -- ask for an optional free-text note on the command line Enter to skip | | | local note = vim.fn.input "Prompt optional : " | | | if note ~= "" then | | | -- append the note after the ref, separated by a space | | | ref = ref .. " " .. note | | | end | | | -- write ref into the "+" register, which is the system clipboard | | | vim.fn.setreg "+", ref | | | -- show a confirmation message with what was copied | | | vim.notify "Copied: " .. ref | | | end | | | -- normal mode: copy just the file path | | | vim.keymap.set "n", "<leader cp", function | | | copy ref {} | | | end, { desc = "Copy file path" } | | | -- visual mode: copy the file path plus the selected line range | | | vim.keymap.set "v", "<leader cp", function | | | copy ref { visual = true } | | | end, { desc = "Copy file path with line range" } | | /usr/bin/env bash | | | set -euo pipefail | | | PROJECTS DIR="$HOME/Projects" | | | Menu lines: display label<TAB session name<TAB path<TAB type | | | menu="" | | | 1. Existing tmux sessions skip worktree sessions, handled in section 3 | | | if tmux ls & /dev/null; then | | | while IFS= read -r sess; do | | | "$sess" == " " && continue | | | menu+=" switch ${sess}"$'\t'"${sess}"$'\t'"$sess"$'\t'"switch"$'\n' | | | done < < tmux list-sessions -F ' {session name}' | | | fi | | | 2. Top-level projects not already a session | | | for dir in "$PROJECTS DIR"/ /; do | | | -d "$dir" || continue | | | name=$ basename "$dir" | | | tmux has-session -t "$name" 2 /dev/null && continue | | | menu+=" new ${name}"$'\t'"${name}"$'\t'"${dir}"$'\t'"new"$'\n' | | | done | | | 3. Worktrees inside each project's .worktrees/ | | | for dir in "$PROJECTS DIR"/ /; do | | | { -d "$dir/.git" || -f "$dir/.git" ; } || continue | | | cd "$dir" && git worktree prune 2 /dev/null || true | | | wt dir="${dir}.worktrees" | | | -d "$wt dir" || continue | | | project name=$ basename "$dir" | | | for branch dir in "$wt dir"/ /; do | | | -d "$branch dir" || continue | | | branch name=$ basename "$branch dir" | | | sess name="${project name} ${branch name} " | | | if tmux has-session -t "$sess name" 2 /dev/null; then | | | label=" switch ${project name} ${branch name} " | | | type="switch" | | | else | | | label=" new ${project name} ${branch name} worktree " | | | type="new" | | | fi | | | menu+="${label}"$'\t'"${sess name}"$'\t'"${branch dir}"$'\t'"${type}"$'\n' | | | done | | | done | | | -z "$menu" && exit 0 | | | selection=$ printf '%s' "$menu" | LC ALL=C sort -t$'\t' -k4,4r -k1,1 | fzf --height 100% --delimiter=$'\t' --with-nth=1 | | | -z "$selection" && exit 0 | | | sess=$ printf '%s' "$selection" | cut -f2 | | | path=$ printf '%s' "$selection" | cut -f3 | | | type=$ printf '%s' "$selection" | cut -f4 | | | if "$type" = "switch" ; then | | | if -z "${TMUX:-}" ; then | | | tmux attach -t "$sess" | | | else | | | tmux switch-client -t "$sess" | | | fi | | | else | | | if -z "${TMUX:-}" ; then | | | tmux new-session -s "$sess" -c "$path" | | | else | | | tmux new-session -d -s "$sess" -c "$path" | | | tmux switch-client -t "$sess" | | | fi | | | fi | | /usr/bin/env bash | | | set -euo pipefail | | | PROJECTS DIR="$HOME/Projects" | | | project dir=$ find "$PROJECTS DIR" -mindepth 1 -maxdepth 1 -type d | fzf --height 100% --prompt="Project " | | | -z "$project dir" && exit 0 | | | project name=$ basename "$project dir" | | | cd "$project dir" | | | if -d .git && -f .git ; then | | | echo "Not a git repo: $project dir" | | | read -r -p "Press enter to close..." | | | exit 1 | | | fi | | | git worktree prune 2 /dev/null || true | | | branches=$ git branch --format='% refname:short ' | | | selection=$ printf '%s\n new branch \n' "$branches" | fzf --height 100% --prompt="Branch " | | | -z "$selection" && exit 0 | | | if "$selection" = " new branch " ; then | | | read -r -p "New branch name: " branch | | | -z "$branch" && exit 0 | | | is new=true | | | else | | | branch="$selection" | | | is new=false | | | fi | | | wt root="$project dir/.worktrees" | | | mkdir -p "$wt root" | | | if grep -qxF '.worktrees/' .gitignore 2 /dev/null; then | | | echo '.worktrees/' .gitignore | | | fi | | | wt path="$wt root/$branch" | | | existing path=$ git worktree list --porcelain | awk -v b="refs/heads/$branch" ' | | | /^worktree / { path=$2 } | | | $0 == "branch " b { print path } | | | ' | | | if -n "$existing path" ; then | | | wt path="$existing path" | | | elif -d "$wt path" ; then | | | echo "Directory exists but isn't a registered worktree: $wt path" | | | read -r -p "Press enter to close..." | | | exit 1 | | | else | | | if "$is new" = true ; then | | | git worktree add "$wt path" -b "$branch" | | | else | | | git worktree add "$wt path" "$branch" | | | fi | | | fi | | | sanitized branch=$ echo "$branch" | tr '.:/ ' '----' | | | sess name="${project name} ${sanitized branch} " | | | tmux has-session -t "$sess name" 2 /dev/null || tmux new-session -d -s "$sess name" -c "$wt path" | | | if -z "${TMUX:-}" ; then | | | tmux attach -t "$sess name" | | | else | | | tmux switch-client -t "$sess name" | | | fi |