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Arpit Behera 238ae8c453 feat(codex): use gpt-5.5 models (#41)
Map Codex high usage to gpt-5.5 high and lower-cost tiers to gpt-5.5 low. Harden frontmatter parsing so LF and CRLF checkouts generate equivalent adapter output.
2026-06-27 11:38:17 +02:00

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#!/usr/bin/env bash
# =============================================================================
# adapters/gemini-cli/adapter.sh — Gemini CLI framework adapter
# =============================================================================
# Sourced by scripts/build.sh AFTER adapters/lib.sh.
# Translates source files into a dist/gemini-cli/ tree that mirrors what
# Gemini CLI expects in the user's project.
# =============================================================================
GEMINI_PLATFORM="gemini-cli"
GEMINI_FW_DIR="gemini"
GEMINI_DISPATCHER="GEMINI.md"
# Capability → Gemini CLI tool names. Returns space-separated tool names.
gemini_capability_to_tools() {
local cap="$1"
case "$cap" in
read) echo "read_file list_directory grep_search" ;;
write) echo "write_file" ;;
edit) echo "replace" ;;
bash) echo "run_shell_command" ;;
webfetch) echo "web_fetch" ;;
websearch) echo "web_search" ;;
notebook) echo "" ;;
task) echo "activate_skill" ;;
todo) echo "" ;;
*) echo "" ;;
esac
}
# Event vocabulary → Gemini CLI native event name.
gemini_event_to_native() {
local event="$1"
case "$event" in
before-tool-use) echo "BeforeTool" ;;
after-tool-use) echo "AfterTool" ;;
on-notification) echo "Notification" ;;
on-session-start) echo "SessionStart" ;;
on-prompt-submit) echo "BeforeAgent" ;;
*) echo "" ;;
esac
}
# Neutral model tier → Gemini model name.
gemini_model_to_native() {
local model="$1"
case "$model" in
*/*) echo "$model" ;;
low) echo "gemini-2.5-flash" ;;
mid) echo "gemini-2.5-flash" ;;
high) echo "gemini-2.5-pro" ;;
*) echo "$model" ;;
esac
}
# Match-tool token → Gemini tool name for hook matchers.
gemini_match_tool_to_native() {
local token="$1"
case "$token" in
read) echo "read_file" ;;
write) echo "write_file" ;;
edit) echo "replace" ;;
bash) echo "run_shell_command" ;;
*) echo "$token" ;;
esac
}
# adapter_translate_dispatcher <source_dispatcher_md> <dest_dir>
# Copies the source DISPATCHER.md to dest_dir/GEMINI.md (no content change).
adapter_translate_dispatcher() {
local src="$1" dst="$2"
[[ -f "$src" ]] || return 0
mkdir -p "$dst"
cp "$src" "$dst/$GEMINI_DISPATCHER"
rewrite_platform_paths "$dst/$GEMINI_DISPATCHER" "$GEMINI_FW_DIR" "$GEMINI_DISPATCHER"
}
# adapter_translate_references <source_refs_dir> <dest_root>
adapter_translate_references() {
local src="$1" dst="$2"
[[ -d "$src" ]] || return 0
local out="$dst/.$GEMINI_FW_DIR/references"
mkdir -p "$out"
for f in "$src"/*.md; do
[[ -f "$f" ]] || continue
should_include "$f" "$GEMINI_PLATFORM" || continue
cp "$f" "$out/"
rewrite_platform_paths "$out/$(basename "$f")" "$GEMINI_FW_DIR" "$GEMINI_DISPATCHER"
done
}
# adapter_translate_skills <source_skills_dir> <dest_root>
adapter_translate_skills() {
local src="$1" dst="$2"
[[ -d "$src" ]] || return 0
for skill_dir in "$src"/*/; do
[[ -f "${skill_dir}SKILL.md" ]] || continue
should_include "${skill_dir}SKILL.md" "$GEMINI_PLATFORM" || continue
local name; name="$(basename "$skill_dir")"
local out="$dst/.$GEMINI_FW_DIR/skills/$name"
mkdir -p "$out"
cp "${skill_dir}SKILL.md" "$out/SKILL.md"
rewrite_platform_paths "$out/SKILL.md" "$GEMINI_FW_DIR" "$GEMINI_DISPATCHER"
done
}
# adapter_translate_agents <source_agents_dir> <dest_root>
adapter_translate_agents() {
local src="$1" dst="$2"
[[ -d "$src" ]] || return 0
local out_dir="$dst/.$GEMINI_FW_DIR/agents"
mkdir -p "$out_dir"
while IFS= read -r agent; do
[[ -f "$agent" ]] || continue
should_include "$agent" "$GEMINI_PLATFORM" || continue
local name; name="$(parse_frontmatter "$agent" name)"
local model_raw; model_raw="$(parse_frontmatter "$agent" model)"
local caps; caps="$(parse_capabilities "$agent")"
local model_out; model_out="$(gemini_model_to_native "$model_raw")"
# Build deduplicated tools list
local tools_seen="" tools_yaml=""
for cap in $caps; do
local expansion; expansion="$(gemini_capability_to_tools "$cap")"
for tool in $expansion; do
[[ -z "$tool" ]] && continue
case " $tools_seen " in
*" $tool "*) ;;
*)
tools_seen="$tools_seen $tool"
tools_yaml="${tools_yaml} - ${tool}
"
;;
esac
done
done
local out_file="$out_dir/$(basename "$agent")"
{
echo "---"
echo "name: $name"
# Copy description block (may be folded YAML)
awk '{ sub(/\r$/, "") } /^---$/{n++; next} n==1 && /^description:/{print; in_desc=1; next} n==1 && in_desc && /^[[:space:]]/{print; next} n==1 && in_desc && !/^[[:space:]]/{in_desc=0} n>=2{exit}' "$agent"
echo "tools:"
printf '%s' "$tools_yaml"
echo "model: $model_out"
echo "---"
agent_body "$agent"
} > "$out_file"
rewrite_platform_paths "$out_file" "$GEMINI_FW_DIR" "$GEMINI_DISPATCHER"
done < <(enumerate_agents "$src")
}
# adapter_translate_hooks <source_hooks_dir> <dest_root>
adapter_translate_hooks() {
local src="$1" dst="$2"
[[ -d "$src" ]] || return 0
local hooks_out="$dst/.$GEMINI_FW_DIR/hooks"
mkdir -p "$hooks_out"
local tpl_dir; tpl_dir="$(dirname "${BASH_SOURCE[0]}")/templates"
local hooks_json='{}'
local have_any=0
while IFS= read -r yaml; do
[[ -f "$yaml" ]] || continue
should_include "$yaml" "$GEMINI_PLATFORM" || continue
local meta; meta="$(parse_hook_yaml "$yaml")"
local hook_name; hook_name="$(echo "$meta" | grep '^name=' | head -1 | cut -d= -f2-)"
local script; script="$(echo "$meta" | grep '^script=' | head -1 | cut -d= -f2-)"
local event; event="$(echo "$meta" | grep '^event=' | head -1 | cut -d= -f2-)"
local match_tool; match_tool="$(echo "$meta" | grep '^match-tool=' | head -1 | cut -d= -f2- || true)"
[[ -f "$src/$script" ]] || continue
# Copy the hook script
cp "$src/$script" "$hooks_out/$script"
chmod +x "$hooks_out/$script"
rewrite_platform_paths "$hooks_out/$script" "$GEMINI_FW_DIR" "$GEMINI_DISPATCHER"
# Generate wrapper script from template
local wrapper_name="${hook_name}-wrapper.sh"
sed -e "s/__HOOK_NAME__/$hook_name/g" -e "s/__EVENT_NAME__/$event/g" \
"$tpl_dir/gemini-hook-wrapper.sh.tmpl" > "$hooks_out/$wrapper_name"
chmod +x "$hooks_out/$wrapper_name"
# Build matcher: map each match-tool token to Gemini tool name
local gemini_event; gemini_event="$(gemini_event_to_native "$event")"
local matcher=""
if [[ -n "$match_tool" ]]; then
for t in $match_tool; do
local native; native="$(gemini_match_tool_to_native "$t")"
if [[ -z "$matcher" ]]; then
matcher="$native"
else
matcher="$matcher|$native"
fi
done
fi
# Add to hooks JSON
local hook_cmd="bash .$GEMINI_FW_DIR/hooks/$wrapper_name"
if [[ -n "$matcher" ]]; then
hooks_json="$(echo "$hooks_json" | jq \
--arg ev "$gemini_event" \
--arg matcher "$matcher" \
--arg cmd "$hook_cmd" \
'.hooks[$ev] += [{ matcher: $matcher, hooks: [{ type: "command", command: $cmd, timeout: 5000 }] }]')"
else
hooks_json="$(echo "$hooks_json" | jq \
--arg ev "$gemini_event" \
--arg cmd "$hook_cmd" \
'.hooks[$ev] += [{ hooks: [{ type: "command", command: $cmd, timeout: 5000 }] }]')"
fi
have_any=1
done < <(enumerate_hooks "$src")
if [[ $have_any -eq 0 ]]; then
rmdir "$hooks_out" 2>/dev/null || true
return 0
fi
echo "$hooks_json" | jq '.' > "$dst/.$GEMINI_FW_DIR/_hooks.json"
}
# adapter_translate_mcp <source_mcp_dir> <dest_root>
adapter_translate_mcp() {
local src="$1" dst="$2"
local yaml="$src/servers.yaml"
[[ -f "$yaml" ]] || return 0
mkdir -p "$dst/.$GEMINI_FW_DIR"
local json='{}'
local current_name="" current_cmd="" current_url="" current_type=""
_gemini_flush_mcp() {
[[ -z "$current_name" ]] && return 0
if [[ "$current_type" == "local" || -n "$current_cmd" ]]; then
local cmd_first; cmd_first="$(echo "$current_cmd" | awk '{print $1}')"
local cmd_rest; cmd_rest="$(echo "$current_cmd" | awk '{$1=""; print}' | sed 's/^ *//')"
local args_json; args_json="$(echo "$cmd_rest" | jq -R 'split(" ") | map(select(length > 0))')"
json="$(echo "$json" | jq --arg n "$current_name" --arg c "$cmd_first" --argjson a "$args_json" \
'.mcpServers[$n] = {command: $c, args: $a}')"
else
json="$(echo "$json" | jq --arg n "$current_name" --arg u "$current_url" \
'.mcpServers[$n] = {url: $u}')"
fi
}
while IFS= read -r line; do
case "$line" in
*"- name:"*)
_gemini_flush_mcp
current_name="$(echo "$line" | sed 's/.*- name:[[:space:]]*//' | tr -d '"')"
current_cmd="" ; current_url="" ; current_type=""
;;
*"type:"*)
current_type="$(echo "$line" | sed 's/.*type:[[:space:]]*//' | tr -d '"')"
;;
*"command:"*"["*)
current_cmd="$(echo "$line" | sed 's/.*command:[[:space:]]*\[//' | sed 's/\][[:space:]]*$//' | tr -d '"' | sed 's/,[[:space:]]*/ /g')"
;;
*"url:"*)
current_url="$(echo "$line" | sed 's/.*url:[[:space:]]*//' | tr -d '"')"
;;
esac
done < "$yaml"
_gemini_flush_mcp
echo "$json" | jq '.' > "$dst/.$GEMINI_FW_DIR/_mcp.json"
unset -f _gemini_flush_mcp
}
# adapter_finalize <source_root> <dest_root>
adapter_finalize() {
local src="$1" dst="$2"
local gemini_dir="$dst/.$GEMINI_FW_DIR"
local hooks_tmp="$gemini_dir/_hooks.json"
local mcp_tmp="$gemini_dir/_mcp.json"
local settings="$gemini_dir/settings.json"
local result='{}'
if [[ -f "$hooks_tmp" ]]; then
result="$(echo "$result" | jq --slurpfile h "$hooks_tmp" '. + $h[0]')"
rm "$hooks_tmp"
fi
if [[ -f "$mcp_tmp" ]]; then
result="$(echo "$result" | jq --slurpfile m "$mcp_tmp" '. + $m[0]')"
rm "$mcp_tmp"
fi
if [[ "$result" != "{}" ]]; then
echo "$result" | jq '.' > "$settings"
fi
}
# adapter_build <source_dir> <dest_dir>
# The single entry point invoked by scripts/build.sh.
adapter_build() {
local src="$1" dst="$2"
rm -rf "$dst"
mkdir -p "$dst"
adapter_translate_dispatcher "$src/DISPATCHER.md" "$dst"
adapter_translate_references "$src/references" "$dst"
adapter_translate_skills "$src/skills" "$dst"
adapter_translate_agents "$src/agents" "$dst"
adapter_translate_hooks "$src/hooks" "$dst"
adapter_translate_mcp "$src/mcp" "$dst"
adapter_finalize "$src" "$dst"
}