feat: new bun_build and bun_compile, extend bun_install

internal/bun_command.bzl

@@ -0,0 +1,84 @@
+"""Shared Bun CLI flag builders for rules and launchers."""
+
+def shell_quote(value):
+    return "'" + str(value).replace("'", "'\"'\"'") + "'"
+
+def _runfiles_workspace(file):
+    workspace_name = file.owner.workspace_name
+    if workspace_name:
+        return workspace_name
+    return "_main"
+
+def runfiles_path_expr(file):
+    return '"${runfiles_dir}/%s/%s"' % (_runfiles_workspace(file), file.short_path)
+
+def render_shell_array(name, values):
+    rendered = [shell_quote(value) for value in values]
+    return "%s=(%s)" % (name, " ".join(rendered))
+
+def append_shell_arg(lines, name, value):
+    lines.append("%s+=(%s)" % (name, shell_quote(value)))
+
+def append_shell_expr(lines, name, expr):
+    lines.append("%s+=(%s)" % (name, expr))
+
+def append_shell_flag(lines, name, flag, enabled):
+    if enabled:
+        append_shell_arg(lines, name, flag)
+
+def append_shell_flag_value(lines, name, flag, value):
+    if value == None:
+        return
+    if type(value) == type("") and not value:
+        return
+    append_shell_arg(lines, name, flag)
+    append_shell_arg(lines, name, value)
+
+def append_shell_flag_values(lines, name, flag, values):
+    for value in values:
+        append_shell_flag_value(lines, name, flag, value)
+
+def append_shell_flag_files(lines, name, flag, files):
+    for file in files:
+        append_shell_arg(lines, name, flag)
+        append_shell_expr(lines, name, runfiles_path_expr(file))
+
+def append_shell_raw_flags(lines, name, values):
+    for value in values:
+        append_shell_arg(lines, name, value)
+
+def append_shell_install_mode(lines, name, install_mode):
+    if install_mode == "disable":
+        append_shell_arg(lines, name, "--no-install")
+    elif install_mode in ["fallback", "force"]:
+        append_shell_flag_value(lines, name, "--install", install_mode)
+
+def add_flag(args, flag, enabled):
+    if enabled:
+        args.add(flag)
+
+def add_flag_value(args, flag, value):
+    if value == None:
+        return
+    if type(value) == type("") and not value:
+        return
+    args.add(flag)
+    args.add(value)
+
+def add_flag_values(args, flag, values):
+    for value in values:
+        add_flag_value(args, flag, value)
+
+def add_flag_files(args, flag, files):
+    for file in files:
+        args.add(flag)
+        args.add(file.path)
+
+def add_raw_flags(args, values):
+    args.add_all(values)
+
+def add_install_mode(args, install_mode):
+    if install_mode == "disable":
+        args.add("--no-install")
+    elif install_mode in ["fallback", "force"]:
+        add_flag_value(args, "--install", install_mode)