Merge #749: [Build] Update genbuild.sh script

3eef1b9 [Build] Update genbuild.sh script (Fuzzbawls)

Tree-SHA512: b94abc47dd8effbefd40c933d33053ff7a0ec7ca86b17fb98c0ea9c7a09afee7c6a9facf59e57d0f89245f09d3312b301178404e18c30ec651308be23ddbaad6

share/genbuild.sh

@@ -1,6 +1,11 @@
 #!/bin/sh
+# Copyright (c) 2012-2016 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+export LC_ALL=C
 if [ $# -gt 1 ]; then
-    cd "$2"
+    cd "$2" || exit 1
 fi
 if [ $# -gt 0 ]; then
     FILE="$1"
@@ -13,16 +18,20 @@ else
     exit 1
 fi
 
+git_check_in_repo() {
+    ! { git status --porcelain -uall --ignored "$@" 2>/dev/null || echo '??'; } | grep -q '?'
+}
+
 DESC=""
 SUFFIX=""
 LAST_COMMIT_DATE=""
-if [ -e "$(which git 2>/dev/null)" -a "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = "true" ]; then
+if [ "${BITCOIN_GENBUILD_NO_GIT}" != "1" -a -e "$(which git 2>/dev/null)" -a "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = "true" ] && git_check_in_repo share/genbuild.sh; then
     # clean 'dirty' status of touched files that haven't been modified
     git diff >/dev/null 2>/dev/null 
 
     # if latest commit is tagged and not dirty, then override using the tag name
     RAWDESC=$(git describe --abbrev=0 2>/dev/null)
-    if [ "$(git rev-parse HEAD)" = "$(git rev-list -1 $RAWDESC)" ]; then
+    if [ "$(git rev-parse HEAD)" = "$(git rev-list -1 $RAWDESC 2>/dev/null)" ]; then
         git diff-index --quiet HEAD -- && DESC=$RAWDESC
     fi