first commit

2026-07-22 13:48:46 +08:00
commit c87751c3dc
2820 changed files with 726976 additions and 0 deletions
@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+
+link_path() {
+  local path="$1"
+  local target="$2"
+
+  if [ -L "$path" ] && [ "$(readlink "$path")" = "$target" ]; then
+    echo "Already linked $path -> $target"
+    return
+  fi
+
+  if [ -e "$path" ] || [ -L "$path" ]; then
+    rm -rf "$path"
+  fi
+
+  mkdir -p "$(dirname "$path")"
+  ln -s "$target" "$path"
+  echo "Linked $path -> $target"
+}
+
+check_link() {
+  local path="$1"
+  local expected_target="$2"
+  local actual_target
+
+  if [ ! -L "$path" ]; then
+    echo "$path must be a symlink to $expected_target" >&2
+    return 1
+  fi
+
+  actual_target="$(readlink "$path")"
+  if [ "$actual_target" != "$expected_target" ]; then
+    echo "$path points to $actual_target, expected $expected_target" >&2
+    return 1
+  fi
+
+  if [ ! -e "$path" ]; then
+    echo "$path points to missing target $expected_target" >&2
+    return 1
+  fi
+}
+
+setup_link() {
+  local mode="$1"
+  local path="$2"
+  local target="$3"
+
+  if [ "$mode" = "check" ]; then
+    check_link "$path" "$target"
+  else
+    link_path "$path" "$target"
+  fi
+}