1 #!/bin/bash 2 # 3 # Copyright (C) 2017 The Android Open Source Project 4 # 5 # Licensed under the Apache License, Version 2.0 (the "License"); 6 # you may not use this file except in compliance with the License. 7 # You may obtain a copy of the License at 8 # 9 # http://www.apache.org/licenses/LICENSE-2.0 10 # 11 # Unless required by applicable law or agreed to in writing, software 12 # distributed under the License is distributed on an "AS IS" BASIS, 13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 # See the License for the specific language governing permissions and 15 # limitations under the License. 16 17 # --------------------------------------------------------------------------- 18 19 # Generates asm_support_gen.h into a temporary location. 20 # Then verifies it is the same as our local stored copy. 21 22 GEN_TOOL=cpp-define-generator-data 23 24 if ! which "$GEN_TOOL"; then 25 if [[ -z $ANDROID_BUILD_TOP ]]; then 26 echo "ERROR: Can't find '$GEN_TOOL' in \$PATH. Perhaps try 'source build/envsetup.sh' ?" >&2 27 else 28 echo "ERROR: Can't find '$GEN_TOOL' in \$PATH. Perhaps try 'make $GEN_TOOL' ?" >&2 29 fi 30 exit 1 31 fi 32 33 ####################### 34 ####################### 35 36 PREUPLOAD_COMMIT_COPY="$(mktemp ${TMPDIR:-/tmp}/tmp.XXXXXX)" 37 BUILD_COPY="$(mktemp ${TMPDIR:-/tmp}/tmp.XXXXXX)" 38 39 function finish() { 40 # Delete temp files. 41 [[ -f "$PREUPLOAD_COMMIT_COPY" ]] && rm "$PREUPLOAD_COMMIT_COPY" 42 [[ -f "$BUILD_COPY" ]] && rm "$BUILD_COPY" 43 } 44 trap finish EXIT 45 46 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" 47 ART_DIR="$( cd "$DIR/../.." && pwd )" 48 ASM_SUPPORT_GEN_CHECKED_IN_COPY="runtime/generated/asm_support_gen.h" 49 50 # Repo upload hook runs inside of the top-level git directory. 51 # If we run this script manually, be in the right place for git. 52 cd "$ART_DIR" 53 54 if [[ -z $PREUPLOAD_COMMIT ]]; then 55 echo "WARNING: Not running as a pre-upload hook. Assuming commit to check = 'HEAD'" 56 PREUPLOAD_COMMIT=HEAD 57 fi 58 59 # Get version we are about to push into git. 60 git show "$PREUPLOAD_COMMIT:$ASM_SUPPORT_GEN_CHECKED_IN_COPY" > "$PREUPLOAD_COMMIT_COPY" || exit 1 61 # Get version that our build would have made. 62 "$GEN_TOOL" > "$BUILD_COPY" || exit 1 63 64 if ! diff "$PREUPLOAD_COMMIT_COPY" "$BUILD_COPY"; then 65 echo "asm-support: ERROR: Checked-in copy of '$ASM_SUPPORT_GEN_CHECKED_IN_COPY' " >&2 66 echo " has diverged from the build copy." >&2 67 echo " Please re-run the 'generate-asm-support' command to resync the header." >&2 68 exit 1 69 fi 70 71 # Success. Print nothing to avoid spamming users. 72