llm-update.sh

#!/usr/bin/env bash
# llm-update.sh — Propagate models.json into tool configs via template substitution.
# Template files (.tpl.*) contain __PLACEHOLDER__ tokens that get sed-replaced
# with concrete model IDs, display names, and nondot variants from models.json.
set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
MODELS="$ROOT/models.json"

[[ -f $MODELS ]] || {
  echo "ERROR: models.json not found" >&2
  exit 1
}

require_command() {
  local cmd="$1"
  command -v "$cmd" >/dev/null 2>&1 || {
    echo "ERROR: required command '$cmd' not found" >&2
    exit 1
  }
}

require_command jq
require_command sed
require_command mktemp
require_command mv

add_model_override() {
  local key="$1"
  local suffix="$2"
  local value="$3"
  local placeholder
  placeholder="__$(echo "${key}-${suffix}" | tr 'a-z-' 'A-Z_')__"
  sed_args+=(-e "s|${placeholder}|${value}|g")
}

# jq function: derive display name from a model ID
# claude-opus-4.6 → "Claude Opus 4.6", claude-sonnet-4.5-20250929 → "Claude Sonnet 4.5"
# shellcheck disable=SC2016
JQ_PRETTY='def pretty:
  gsub("-20[0-9]{6}$";"") | gsub("-preview$";"") |
  split("-") |
  reduce .[] as $s ([];
    if ($s | test("^[0-9]+$")) and length > 0 and (last | test("^[0-9]"))
    then .[:-1] + [last + "." + $s]
    else . + [$s] end) |
  map(if   . == "claude" then "Claude"
      elif . == "gpt"    then "GPT"
      elif . == "gemini"  then "Gemini"
      elif . == "glm"    then "GLM"
      elif test("^[0-9]") then .
      else (.[0:1] | ascii_upcase) + .[1:] end) |
  join(" ");'

# Build sed args from models.json
# Order: PRETTY, NONDOT, then base — longer patterns must be replaced first
sed_args=()
model_rows="$(
  jq -r "$JQ_PRETTY"'
    to_entries[] |
    [.key, .value, (.value | pretty), (.value | gsub("\\.";"-"))] |
    @tsv' "$MODELS"
)" || {
  echo "ERROR: failed to parse models.json" >&2
  exit 1
}

[[ -n $model_rows ]] || {
  echo "ERROR: no model rows generated from $MODELS" >&2
  exit 1
}

while IFS=$'\t' read -r key value pretty nondot; do
  [[ -n $key ]] || continue
  placeholder="__$(echo "$key" | tr 'a-z-' 'A-Z_')__"
  sed_args+=(-e "s|${placeholder%__}_PRETTY__|${pretty}|g")
  sed_args+=(-e "s|${placeholder%__}_NONDOT__|${nondot}|g")
  sed_args+=(-e "s|${placeholder}|${value}|g")
done <<<"$model_rows"

# Provider-specific upstream slugs that intentionally differ from the canonical
# alias stored in models.json.
add_model_override "gpt-image" "openrouter" "openai/gpt-5.4-image-2"
add_model_override "deepseek-flash" "0731" "deepseek-v4-flash-0731"

# Template → output pairs
declare -A TEMPLATES=(
  ["config/aichat/config.tpl.yaml"]=config/aichat/config.yaml
  ["config/antigravity/settings.tpl.json"]=config/antigravity/settings.json
  ["config/llm/default_model.tpl.txt"]=config/llm/default_model.txt
  ["config/openclaw/openclaw.tpl.json"]=config/openclaw/openclaw.template.json
  ["config/opencode/opencode.tpl.jsonc"]=config/opencode/opencode.jsonc
  ["config/opencode/opencode-fallback.tpl.jsonc"]=config/opencode/opencode-fallback.jsonc
  ["config/llm/extra-openai-models.tpl.yaml"]=config/llm/extra-openai-models.yaml
  ["config/codex/config.tpl.toml"]=config/codex/config.toml
  ["config/cliproxyapi/config.tpl.yaml"]=config/cliproxyapi/config.template.yaml
  ["config/handy/settings_store.tpl.json"]=config/handy/settings_store.template.json
  ["config/factory/settings.tpl.json"]=config/factory/settings.json
  ["config/hermes/config.tpl.yaml"]=config/hermes/config.template.yaml
  ["config/omp/config.tpl.yml"]=config/omp/config.yml
  ["config/omp/models.tpl.yml"]=config/omp/models.yml
  ["config/pi/models.tpl.json"]=config/pi/models.json
  ["config/pi/settings.tpl.json"]=config/pi/settings.json
  ["config/pi/fallback.tpl.json"]=config/pi/fallback.json
  ["home-manager/programs/fish/functions/_coxe_function.tpl.fish"]=home-manager/programs/fish/functions/_coxe_function.fish
  ["home-manager/programs/fish/functions/_coxeh_function.tpl.fish"]=home-manager/programs/fish/functions/_coxeh_function.fish
  ["home-manager/programs/fish/functions/_coxel_function.tpl.fish"]=home-manager/programs/fish/functions/_coxel_function.fish
  ["home-manager/programs/fish/functions/_coxelh_function.tpl.fish"]=home-manager/programs/fish/functions/_coxelh_function.fish
  ["home-manager/programs/fish/functions/_ocxe_function.tpl.fish"]=home-manager/programs/fish/functions/_ocxe_function.fish
  ["home-manager/programs/fish/functions/_ocxel_function.tpl.fish"]=home-manager/programs/fish/functions/_ocxel_function.fish
  ["home-manager/programs/fish/functions/_ocxeh_function.tpl.fish"]=home-manager/programs/fish/functions/_ocxeh_function.fish
  ["home-manager/programs/fish/functions/_ocxelh_function.tpl.fish"]=home-manager/programs/fish/functions/_ocxelh_function.fish
  ["home-manager/programs/fish/functions/_pixe_function.tpl.fish"]=home-manager/programs/fish/functions/_pixe_function.fish
  ["home-manager/programs/fish/functions/_pixel_function.tpl.fish"]=home-manager/programs/fish/functions/_pixel_function.fish
  ["home-manager/programs/fish/functions/_pixelh_function.tpl.fish"]=home-manager/programs/fish/functions/_pixelh_function.fish
  ["home-manager/programs/fish/functions/_pixeh_function.tpl.fish"]=home-manager/programs/fish/functions/_pixeh_function.fish
)

echo "Updating tool configs from $MODELS ..."
echo

for src in "${!TEMPLATES[@]}"; do
  dst="${TEMPLATES[$src]}"
  [[ -f "$ROOT/$src" ]] || {
    echo "SKIP: $src"
    continue
  }

  tmp=$(mktemp "$ROOT/.llm-update.XXXXXX")
  if ! sed "${sed_args[@]}" "$ROOT/$src" >"$tmp"; then
    rm -f "$tmp"
    echo "ERROR: sed failed for $src" >&2
    exit 1
  fi
  if ! mv -f "$tmp" "$ROOT/$dst"; then
    rm -f "$tmp"
    echo "ERROR: failed to update $dst" >&2
    exit 1
  fi
  echo "OK: $dst"
done

echo
echo "All configs updated."