Add dev-mirror manager for npm, pip, cargo, go, gem, docker

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QKxGW1raAWaqeU8WdHsMsp

cn/dev-mirrors.json

@@ -0,0 +1,26 @@
+{
+  "npm": {
+    "china": "https://registry.npmmirror.com",
+    "official": "https://registry.npmjs.org/"
+  },
+  "pip": {
+    "china": "https://pypi.tuna.tsinghua.edu.cn/simple",
+    "official": "https://pypi.org/simple"
+  },
+  "cargo": {
+    "china": "sparse+https://rsproxy.cn/index/",
+    "official": "sparse+https://index.crates.io/"
+  },
+  "go": {
+    "china": "https://goproxy.cn,direct",
+    "official": "https://proxy.golang.org,direct"
+  },
+  "gem": {
+    "china": "https://mirrors.tuna.tsinghua.edu.cn/rubygems/",
+    "official": "https://rubygems.org/"
+  },
+  "docker": {
+    "china": "https://docker.m.daocloud.io",
+    "official": ""
+  }
+}

cn/lib/dev-mirror.sh

@@ -0,0 +1,126 @@
+# shellcheck shell=bash
+# Sourced helpers for omarchy-cn-dev-mirror-* commands
+
+CN_DEV_MIRRORS_JSON="$OMARCHY_PATH/cn/dev-mirrors.json"
+CN_DM_TARGETS=(npm pip cargo go gem docker)
+CN_DM_BACKUP_ROOT="$HOME/.local/state/omarchycn/backups/dev-mirror"
+
+cn_dm_url() {
+  jq -re --arg t "$1" --arg p "$2" '.[$t][$p]' "$CN_DEV_MIRRORS_JSON"
+}
+
+cn_dm_backup() {
+  local file="$1"
+  local stamp="$2"
+
+  if [[ -f $file ]]; then
+    mkdir -p "$CN_DM_BACKUP_ROOT/$stamp"
+    cp "$file" "$CN_DM_BACKUP_ROOT/$stamp/${file##*/}"
+  fi
+}
+
+# Replace-or-append one key=value style line matched by a regex
+cn_dm_set_line() {
+  local file="$1" match="$2" line="$3"
+
+  mkdir -p "${file%/*}"
+  touch "$file"
+  if grep -qE "$match" "$file"; then
+    sed -i -E "s|$match.*|$line|" "$file"
+  else
+    echo "$line" >> "$file"
+  fi
+}
+
+cn_dm_get_npm() { grep -sE '^registry=' "$HOME/.npmrc" | cut -d= -f2- || true; }
+cn_dm_set_npm() { cn_dm_set_line "$HOME/.npmrc" '^registry=' "registry=$1"; }
+
+cn_dm_get_pip() {
+  python3 - <<'EOF'
+import configparser, os
+c = configparser.ConfigParser()
+c.read(os.path.expanduser("~/.config/pip/pip.conf"))
+print(c.get("global", "index-url", fallback=""))
+EOF
+}
+
+cn_dm_set_pip() {
+  CN_DM_PIP_URL="$1" python3 - <<'EOF'
+import configparser, os
+path = os.path.expanduser("~/.config/pip/pip.conf")
+c = configparser.ConfigParser()
+c.read(path)
+if not c.has_section("global"):
+    c.add_section("global")
+c.set("global", "index-url", os.environ["CN_DM_PIP_URL"])
+os.makedirs(os.path.dirname(path), exist_ok=True)
+with open(path, "w") as f:
+    c.write(f)
+EOF
+}
+
+cn_dm_get_cargo() {
+  local f="$HOME/.cargo/config.toml"
+  grep -sA1 '^\[source\.omarchycn\]' "$f" | grep -sE '^registry' | cut -d\" -f2 || true
+}
+
+cn_dm_set_cargo() {
+  local url="$1" f="$HOME/.cargo/config.toml"
+
+  mkdir -p "${f%/*}"
+  touch "$f"
+  sed -i '/^# OmarchyCN dev-mirror begin$/,/^# OmarchyCN dev-mirror end$/d' "$f"
+  if [[ -n $url ]]; then
+    cat >> "$f" <<EOF
+# OmarchyCN dev-mirror begin
+[source.crates-io]
+replace-with = "omarchycn"
+
+[source.omarchycn]
+registry = "$url"
+# OmarchyCN dev-mirror end
+EOF
+  fi
+}
+
+cn_dm_get_go() { grep -sE '^GOPROXY=' "$HOME/.config/go/env" | cut -d= -f2- || true; }
+cn_dm_set_go() { cn_dm_set_line "$HOME/.config/go/env" '^GOPROXY=' "GOPROXY=$1"; }
+
+cn_dm_get_gem() { grep -sE '^- ' "$HOME/.gemrc" | head -1 | sed 's/^- //' || true; }
+
+cn_dm_set_gem() {
+  cat > "$HOME/.gemrc" <<EOF
+---
+:sources:
+- $1
+EOF
+}
+
+cn_dm_get_docker() {
+  jq -re '."registry-mirrors"[0] // ""' /etc/docker/daemon.json 2>/dev/null || true
+}
+
+cn_dm_set_docker() {
+  local url="$1" current="{}"
+
+  if sudo test -f /etc/docker/daemon.json; then
+    current=$(sudo cat /etc/docker/daemon.json)
+  fi
+  if [[ -n $url ]]; then
+    jq --arg u "$url" '."registry-mirrors" = [$u]' <<<"$current" | sudo tee /etc/docker/daemon.json > /dev/null
+  else
+    jq 'del(."registry-mirrors")' <<<"$current" | sudo tee /etc/docker/daemon.json > /dev/null
+  fi
+  echo "docker: restart the docker daemon to take effect"
+}
+
+cn_dm_config_file() {
+  case "$1" in
+  npm) echo "$HOME/.npmrc" ;;
+  pip) echo "$HOME/.config/pip/pip.conf" ;;
+  cargo) echo "$HOME/.cargo/config.toml" ;;
+  go) echo "$HOME/.config/go/env" ;;
+  gem) echo "$HOME/.gemrc" ;;
+  docker) echo "/etc/docker/daemon.json" ;;
+  esac
+}