build: add a deterministic dmg signer

1 files changed, 53 insertions, 0 deletions

diff --git a/contrib/macdeploy/detached-sig-apply.sh b/contrib/macdeploy/detached-sig-apply.sh
new file mode 100755
index 0000000000..7b3eb1b197
--- /dev/null
+++ b/contrib/macdeploy/detached-sig-apply.sh
@@ -0,0 +1,53 @@
+#!/bin/sh
+set -e
+
+UNSIGNED=$1
+SIGNATURE=$2
+ARCH=x86_64
+ROOTDIR=dist
+BUNDLE=${ROOTDIR}/Bitcoin-Qt.app
+TEMPDIR=signed.temp
+OUTDIR=signed-app
+
+if [ -z "$UNSIGNED" ]; then
+  echo "usage: $0 <unsigned app> <signature>"
+  exit 1
+fi
+
+if [ -z "$SIGNATURE" ]; then
+  echo "usage: $0 <unsigned app> <signature>"
+  exit 1
+fi
+
+rm -rf ${TEMPDIR} && mkdir -p ${TEMPDIR}
+tar -C ${TEMPDIR} -xf ${UNSIGNED}
+tar -C ${TEMPDIR} -xf ${SIGNATURE}
+
+if [ -z "${PAGESTUFF}" ]; then
+  PAGESTUFF=${TEMPDIR}/pagestuff
+fi
+
+if [ -z "${CODESIGN_ALLOCATE}" ]; then
+  CODESIGN_ALLOCATE=${TEMPDIR}/codesign_allocate
+fi
+
+for i in `find ${TEMPDIR} -name "*.sign"`; do
+  SIZE=`stat -c %s ${i}`
+  TARGET_FILE=`echo ${i} | sed 's/\.sign$//'`
+
+  echo "Allocating space for the signature of size ${SIZE} in ${TARGET_FILE}"
+  ${CODESIGN_ALLOCATE} -i ${TARGET_FILE} -a ${ARCH} ${SIZE} -o ${i}.tmp
+
+  OFFSET=`${PAGESTUFF} ${i}.tmp -p | tail -2 | grep offset | sed 's/[^0-9]*//g'`
+  if [ -z ${QUIET} ]; then
+    echo "Attaching signature at offset ${OFFSET}"
+  fi
+
+  dd if=$i of=${i}.tmp bs=1 seek=${OFFSET} count=${SIZE} 2>/dev/null
+  mv ${i}.tmp ${TARGET_FILE}
+  rm ${i}
+  echo "Success."
+done
+mv ${TEMPDIR}/${ROOTDIR} ${OUTDIR}
+rm -rf ${TEMPDIR}
+echo "Signed: ${OUTDIR}"