222 lines
8.3 KiB
Bash
Executable File
222 lines
8.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Verify prerequisites for every recipe. For each missing item, prints the
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# EXACT command to install it on the detected platform. Exits non-zero if
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# any hard requirement is missing; warns but continues for PATH hygiene
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# and the web-browser check (headless systems can still use login-headless).
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set -euo pipefail
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here="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)"
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# shellcheck disable=SC1091
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. "$here/common.sh"
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# ---------------------------------------------------------------------------
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# Platform detection
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# ---------------------------------------------------------------------------
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uname_s="$(uname -s 2>/dev/null || echo unknown)"
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pm="" # one of: apt dnf pacman zypper brew ""
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case "$uname_s" in
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Linux)
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if [ -r /etc/os-release ]; then
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# shellcheck disable=SC1091
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. /etc/os-release
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id_all=" ${ID:-} ${ID_LIKE:-} "
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case "$id_all" in
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*' debian '*|*' ubuntu '*) pm=apt ;;
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*' fedora '*|*' rhel '*|*' centos '*) pm=dnf ;;
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*' arch '*) pm=pacman ;;
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*' opensuse '*|*' suse '*) pm=zypper ;;
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esac
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fi
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if [ -z "$pm" ]; then
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for candidate in apt-get dnf pacman zypper; do
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if command -v "$candidate" >/dev/null 2>&1; then
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case "$candidate" in
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apt-get) pm=apt ;;
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dnf) pm=dnf ;;
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pacman) pm=pacman ;;
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zypper) pm=zypper ;;
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esac
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break
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fi
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done
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fi
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;;
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Darwin)
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pm=brew
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;;
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esac
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# ---------------------------------------------------------------------------
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# Render a package-install command for the current platform.
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# pkg_cmd <apt> <dnf> <pacman> <brew> <upstream-url>
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# ---------------------------------------------------------------------------
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pkg_cmd() {
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local apt_pkg="$1" dnf_pkg="$2" pac_pkg="$3" brew_pkg="$4" url="$5"
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case "$pm" in
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apt) echo "sudo apt-get update && sudo apt-get install -y $apt_pkg" ;;
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dnf) echo "sudo dnf install -y $dnf_pkg" ;;
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pacman) echo "sudo pacman -S --noconfirm $pac_pkg" ;;
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zypper) echo "sudo zypper install -y $dnf_pkg" ;;
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brew) echo "brew install $brew_pkg" ;;
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*) echo "# install manually from: $url" ;;
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esac
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}
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# ---------------------------------------------------------------------------
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# Accumulators
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# ---------------------------------------------------------------------------
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missing=0
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fix_commands=()
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record_miss() {
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local name="$1" detail="$2" fix="$3"
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printf ' %s %-12s -> %s\n' "$(_fc_tag "$_FC_RED" miss)" "$name" "$detail"
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printf ' fix: %s\n' "$fix"
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fix_commands+=("$fix")
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missing=$((missing + 1))
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}
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check_cmd() {
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local cmd="$1" fix="$2"
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if command -v "$cmd" >/dev/null 2>&1; then
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printf ' %s %-12s -> %s\n' "$(_fc_tag "$_FC_GREEN" ok)" "$cmd" "$(command -v "$cmd")"
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else
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record_miss "$cmd" "not found on PATH" "$fix"
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fi
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}
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info 'checking prerequisites...'
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# ---------------------------------------------------------------------------
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# Required tools
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# ---------------------------------------------------------------------------
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check_cmd git "$(pkg_cmd git git git git https://git-scm.com/)"
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check_cmd bash "$(pkg_cmd bash bash bash bash https://www.gnu.org/software/bash/)"
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check_cmd curl "$(pkg_cmd curl curl curl curl https://curl.se/)"
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check_cmd install "$(pkg_cmd coreutils coreutils coreutils coreutils https://www.gnu.org/software/coreutils/)"
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check_cmd python3 "$(pkg_cmd python3 python3 python python3 https://www.python.org/)"
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# just and uv do not ship in most package managers, so prefer the upstream
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# installers (no sudo, land binaries in ~/.local/bin / ~/.cargo/bin).
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check_cmd just 'curl --proto "=https" --tlsv1.2 -LsSf https://just.systems/install.sh | bash -s -- --to "$HOME/.local/bin"'
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check_cmd uv 'curl -LsSf https://astral.sh/uv/install.sh | sh'
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# ---------------------------------------------------------------------------
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# Web browser (warning only: headless is supported via login-headless)
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# ---------------------------------------------------------------------------
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if command -v xdg-open >/dev/null 2>&1 || command -v open >/dev/null 2>&1; then
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printf ' %s %-12s -> (detected)\n' "$(_fc_tag "$_FC_GREEN" ok)" 'web browser'
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else
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printf ' %s %-12s -> no xdg-open/open on PATH.\n' "$(_fc_tag "$_FC_YELLOW" warn)" 'web browser'
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printf ' headless mode: just login-headless\n'
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case "$pm" in
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apt) printf ' otherwise install: sudo apt-get install -y xdg-utils\n' ;;
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dnf) printf ' otherwise install: sudo dnf install -y xdg-utils\n' ;;
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pacman) printf ' otherwise install: sudo pacman -S --noconfirm xdg-utils\n' ;;
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esac
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fi
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# ---------------------------------------------------------------------------
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# Python 3.11+ : accepted via system python3 OR uv-managed interpreter
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# ---------------------------------------------------------------------------
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py_ok=0
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py_via=""
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if command -v python3 >/dev/null 2>&1; then
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if python3 - <<'PY' >/dev/null 2>&1
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import sys
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sys.exit(0 if sys.version_info >= (3, 11) else 1)
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PY
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then
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py_ok=1
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py_via="$(python3 -V 2>&1)"
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fi
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fi
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if [ "$py_ok" -eq 0 ] && command -v uv >/dev/null 2>&1; then
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if uv_py_path="$(uv python find '>=3.11' 2>/dev/null)" && [ -n "$uv_py_path" ]; then
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py_ok=1
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py_via="$uv_py_path (via uv)"
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fi
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fi
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if [ "$py_ok" -eq 1 ]; then
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printf ' %s %-12s -> %s\n' "$(_fc_tag "$_FC_GREEN" ok)" 'python>=3.11' "$py_via"
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else
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detail='python3 missing'
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if command -v python3 >/dev/null 2>&1; then
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detail="python3 is $(python3 -V 2>&1 | awk '{print $2}'); need 3.11+"
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fi
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# Primary fix: uv-managed Python. Works on every platform, no sudo, and
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# the orchestrator (a uv project) will resolve it automatically via
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# `uv run` / `uv sync`.
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py_fix='uv python install 3.11'
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# Per-distro alternative (commented so users can copy one or the other):
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case "$pm" in
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apt)
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py_alt='sudo add-apt-repository -y ppa:deadsnakes/ppa && sudo apt-get update && sudo apt-get install -y python3.11 python3.11-venv'
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;;
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dnf)
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py_alt='sudo dnf install -y python3.11'
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;;
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pacman)
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py_alt='sudo pacman -S --noconfirm python'
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;;
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zypper)
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py_alt='sudo zypper install -y python311'
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;;
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brew)
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py_alt='brew install python@3.11'
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;;
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*)
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py_alt=''
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;;
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esac
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printf ' %s %-12s -> %s\n' "$(_fc_tag "$_FC_RED" miss)" 'python>=3.11' "$detail"
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printf ' fix: %s\n' "$py_fix"
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if [ -n "$py_alt" ]; then
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printf ' alt: %s\n' "$py_alt"
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fi
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fix_commands+=("$py_fix")
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missing=$((missing + 1))
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fi
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# ---------------------------------------------------------------------------
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# PATH hygiene: warning, not a hard miss.
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# ---------------------------------------------------------------------------
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case ":$PATH:" in
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*":$LOCAL_BIN:"*)
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printf ' %s %-12s -> %s is on PATH\n' "$(_fc_tag "$_FC_GREEN" ok)" 'PATH' "$LOCAL_BIN"
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;;
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*)
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rc='~/.bashrc'
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[ -n "${ZSH_VERSION:-}" ] && rc='~/.zshrc'
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printf ' %s %-12s -> %s is NOT on PATH.\n' "$(_fc_tag "$_FC_YELLOW" warn)" 'PATH' "$LOCAL_BIN"
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# shellcheck disable=SC2016
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printf " fix: echo 'export PATH=\"%s:\$PATH\"' >> %s && exec \$SHELL -l\n" "$LOCAL_BIN" "$rc"
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;;
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esac
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# ---------------------------------------------------------------------------
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# Summary
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# ---------------------------------------------------------------------------
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if [ "$missing" -gt 0 ]; then
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printf '\n'
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warn "$missing prerequisite(s) missing. Run the following to fix them:"
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printf '\n'
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# De-duplicate while preserving order.
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seen=''
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for c in "${fix_commands[@]}"; do
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case "$seen" in
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*"<<$c>>"*) continue ;;
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esac
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seen="$seen<<$c>>"
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printf ' %s\n' "$c"
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done
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printf '\n'
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warn 're-run: just doctor'
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exit 1
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fi
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info 'all prerequisites present'
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