init

Telegram/ThirdParty/dispatch/xcodescripts/check-order.sh

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+#!/bin/bash -e
+#
+# Copyright (c) 2018 Apple Inc. All rights reserved.
+#
+# @APPLE_APACHE_LICENSE_HEADER_START@
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# @APPLE_APACHE_LICENSE_HEADER_END@
+#
+
+test "$ACTION" = install || exit 0
+
+list_objc_syms ()
+{
+    nm -arch $1 -nU ${DSTROOT}/usr/lib/system/libdispatch.dylib | grep _OBJC | cut -d' ' -f3
+}
+
+list_mutable_data_syms ()
+{
+    nm -arch $1 -m ${DSTROOT}/usr/lib/system/libdispatch.dylib |grep __DATA|egrep -v '(__const|__crash_info)'|sed 's/^.* //'
+}
+
+list_objc_order ()
+{
+    grep '^_OBJC' "${SCRIPT_INPUT_FILE_0}"
+}
+
+list_dirty_order ()
+{
+    grep '^[^#]' "${SCRIPT_INPUT_FILE_1}"
+}
+
+list_clean_order ()
+{
+    grep '^[^#]' "${SCRIPT_INPUT_FILE_2}"
+}
+
+fail=
+
+case "$PLATFORM_NAME" in
+    *simulator) exit 0;;
+    *) ;;
+esac
+
+if comm -12 <(list_dirty_order | sort) <(list_clean_order | sort) | grep .; then
+    echo 1>&2 "error: *** SYMBOLS CAN'T BE BOTH CLEAN AND DIRTY ***"
+    comm 1>&2 -12 <(list_dirty_order | sort) <(list_clean_order | sort)
+    fail=t
+fi
+
+for arch in $ARCHS; do
+    if test "$PLATFORM_NAME" = macosx -a "$arch" = i386; then
+        continue
+    fi
+
+    if list_mutable_data_syms $arch | sort | uniq -c | grep -qvw 1; then
+        echo 1>&2 "error: *** DUPLICATED SYMBOL NAMES FOR SLICE $arch ***"
+        list_mutable_data_syms $arch | sort | uniq -c | grep -qw 1 1>&2
+        fail=t
+    fi
+
+    if comm -23 <(list_mutable_data_syms $arch | sort) <((list_dirty_order; list_clean_order) | sort) | grep -q .; then
+        echo 1>&2 "error: *** SYMBOLS NOT MARKED CLEAN OR DIRTY FOR SLICE $arch ***"
+        comm 1>&2 -23 <(list_mutable_data_syms $arch | sort) <((list_dirty_order; list_clean_order) | sort)
+        fail=t
+    fi
+
+    if comm -13 <(list_mutable_data_syms $arch | sort) <((list_dirty_order; list_clean_order) | sort) | grep -q .; then
+        echo 1>&2 "warning: *** Found unknown symbols in dirty/clean files for slice $arch ***"
+        comm 1>&2 -13 <(list_mutable_data_syms $arch | sort) <((list_dirty_order; list_clean_order) | sort)
+    fi
+
+    if ! cmp -s <(list_objc_syms $arch) <(list_objc_order); then
+        echo 1>&2 "error: *** SYMBOL ORDER IS NOT WHAT IS EXPECTED FOR SLICE $arch ***"
+        diff 1>&2 -U100 <(list_objc_syms $arch) <(list_objc_order) || fail=t
+    fi
+done
+
+test -z "$fail"