setup.sh: idempotent vimlsp section (vimrc, vim-plug plugins, fzf, rust-analyzer, uv, ruff, ty); README

2 files changed, 55 insertions, 0 deletions

diff --git a/README b/README
new file mode 100644
index 0000000..fe9d5e3
--- /dev/null
+++ b/README
@@ -0,0 +1,2 @@
+Dev environment setup (Rocky/Fedora). Full setup: git clone root@fi0.noml.ch:/git/dev_env && cd dev_env && ./setup.sh
+Vim LSP only (vimrc, vim-plug plugins, rust-analyzer, uv, ruff, ty): ./setup.sh vimlsp
diff --git a/setup.sh b/setup.sh
index f0cf83b..d33733d 100755
--- a/setup.sh
+++ b/setup.sh
@@ -3,6 +3,56 @@
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
 cd "$SCRIPT_DIR" || exit
 
+# Vim LSP setup (idempotent; each step = action + check, first failure stops).
+# Run only this part: ./setup.sh vimlsp
+vimlsp() {
+  set -e
+  ok()   { echo "ok   $*"; }
+  die()  { echo "FAIL $*" >&2; exit 1; }
+  VIMRC_SRC="$SCRIPT_DIR/core/vimrc"
+  export PATH="$HOME/.cargo/bin:$HOME/.local/bin:$PATH"
+
+  # vimrc: plain copy into ~/.vimrc, back up a different existing one
+  if [ -f ~/.vimrc ] && ! cmp -s "$VIMRC_SRC" ~/.vimrc; then
+    cp ~/.vimrc ~/.vimrc.bak-"$(date +%F)"; ok "backed up ~/.vimrc to ~/.vimrc.bak-$(date +%F)"
+  fi
+  cmp -s "$VIMRC_SRC" ~/.vimrc || cp "$VIMRC_SRC" ~/.vimrc
+  { cmp -s "$VIMRC_SRC" ~/.vimrc && [ ! -L ~/.vimrc ]; } || die "~/.vimrc"; ok "~/.vimrc matches core/vimrc"
+
+  # vim-plug
+  [ -f ~/.vim/autoload/plug.vim ] || curl -fsSLo ~/.vim/autoload/plug.vim --create-dirs \
+    https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
+  grep -q 'plug#begin' ~/.vim/autoload/plug.vim || die "plug.vim"; ok "vim-plug ~/.vim/autoload/plug.vim"
+
+  # plugins: every Plug line of the vimrc, plain depth-1 git clone into ~/.vim/plugged
+  for repo in $(sed -n "s/^Plug '\([^']*\)'.*/\1/p" "$VIMRC_SRC"); do
+    d=~/.vim/plugged/${repo#*/}
+    [ -d "$d/.git" ] || git clone -q --depth 1 "https://github.com/$repo" "$d"
+    git -C "$d" rev-parse --verify -q HEAD > /dev/null || die "plugin $repo"; ok "plugin $repo"
+  done
+  [ -x ~/.vim/plugged/fzf/bin/fzf ] || ~/.vim/plugged/fzf/install --bin > /dev/null 2>&1
+  ~/.vim/plugged/fzf/bin/fzf --version > /dev/null || die "fzf binary"; ok "fzf binary"
+
+  # rust-analyzer (Rust itself comes from core/packages/install_rust.sh)
+  if rustup which rustc > /dev/null 2>&1; then
+    rustup component list --installed | grep -q '^rust-analyzer' || rustup component add rust-analyzer
+    rustup component list --installed | grep -q '^rust-src' || rustup component add rust-src
+    rust-analyzer --version > /dev/null || die "rust-analyzer"; ok "rust-analyzer $(rust-analyzer --version)"
+  else
+    echo "skip rust-analyzer: no rustup toolchain (run core/packages/install_rust.sh first)"
+  fi
+
+  # uv, ruff, ty
+  command -v uv > /dev/null || curl -LsSf https://astral.sh/uv/install.sh | UV_NO_MODIFY_PATH=1 sh
+  uv --version > /dev/null || die "uv"; ok "$(uv --version)"
+  for t in ruff ty; do
+    command -v $t > /dev/null || uv tool install $t
+    $t --version > /dev/null || die "$t"; ok "$($t --version)"
+  done
+  echo "vimlsp done"
+}
+[ "$1" = vimlsp ] && { vimlsp; exit $?; }
+
 # Shell appearance (only append if not already present)
 grep -q 'di=38;5;135' /etc/bashrc || sudo tee -a /etc/bashrc > /dev/null << 'EOF'
 LS_COLORS=$LS_COLORS:'di=38;5;135:ex=00;32:' ; export LS_COLORS
@@ -19,3 +69,6 @@ sudo bash ./core/ssh.sh              || { echo "Failed to configure SSH"; exit 1
 sudo bash ./core/install-packages.sh || { echo "Failed to install packages"; exit 1; }
 sudo bash ./core/vim.sh              || { echo "Failed to configure Vim"; exit 1; }
 sudo bash ./core/tmux.sh             || { echo "Failed to configure Tmux"; exit 1; }
+
+# Vim LSP setup for the invoking user
+( vimlsp ) || { echo "Failed to set up vim LSP"; exit 1; }