feat(build): Check sha256 of tarballs for Windows cross-compilation

windows/cross-compile/build.sh

@@ -172,6 +172,23 @@ MAKEFLAGS=j$(nproc)
 export MAKEFLAGS
 
 
+# Helper functions
+
+check_sha256()
+{
+  if ! ( echo "$1  $2" | sha256sum -c --status - )
+  then
+    echo "Error: sha256 of $2 doesn't match the known one."
+    echo "Expected: $1  $2"
+    echo -n "Got: "
+    sha256sum "$2"
+    exit 1
+  else
+    echo "sha256 matches the expected one: $1"
+  fi
+}
+
+
 # OpenSSL
 
 OPENSSL_PREFIX_DIR="$DEP_DIR/libopenssl"
@@ -181,18 +198,9 @@ then
   mkdir -p "$OPENSSL_PREFIX_DIR"
 
   OPENSSL_VERSION=1.0.2l
-  OPENSSL_SHA256_HASH=ce07195b659e75f4e1db43552860070061f156a98bb37b672b101ba6e3ddf30c
 
   wget https://www.openssl.org/source/openssl-$OPENSSL_VERSION.tar.gz
-
-  if ! ( echo "$OPENSSL_SHA256_HASH  openssl-$OPENSSL_VERSION.tar.gz" | sha256sum -c --status - )
-  then
-    echo "Error: sha256 of openssl-$OPENSSL_VERSION.tar.gz doesn't match the known one."
-    exit 1
-  else
-    echo "sha256 matches the expected one: $OPENSSL_SHA256_HASH"
-  fi
-
+  check_sha256 "ce07195b659e75f4e1db43552860070061f156a98bb37b672b101ba6e3ddf30c" "openssl-$OPENSSL_VERSION.tar.gz"
   bsdtar -xf openssl*.tar.gz
   rm openssl*.tar.gz
   cd openssl*
@@ -234,7 +242,7 @@ then
 
   QT_VERSION=$QT_MAJOR.$QT_MINOR.$QT_PATCH
   wget $QT_MIRROR/official_releases/qt/$QT_MAJOR.$QT_MINOR/$QT_VERSION/single/qt-everywhere-opensource-src-$QT_VERSION.tar.xz
-
+  check_sha256 "83e61bfc78bba230770704e828fa4d23fe3bbfdcfa4a8f5db37ce149731d89b3" "qt-everywhere-opensource-src-$QT_VERSION.tar.xz"
   bsdtar -xf qt*.tar.xz
   rm qt*.tar.xz
   cd qt*
@@ -356,6 +364,7 @@ then
   mkdir -p "$FFMPEG_PREFIX_DIR"
 
   wget https://www.ffmpeg.org/releases/ffmpeg-3.2.6.tar.xz
+  check_sha256 "3751cebb5c71a861288267769114d12b966a7703a686a325d90a93707f3a6d9f" "ffmpeg-3.2.6.tar.xz"
   bsdtar -xf ffmpeg*.tar.xz
   cd ffmpeg*
 
@@ -604,6 +613,7 @@ then
   mkdir -p "$QRENCODE_PREFIX_DIR"
 
   wget https://fukuchi.org/works/qrencode/qrencode-3.4.4.tar.bz2
+  check_sha256 "efe5188b1ddbcbf98763b819b146be6a90481aac30cfc8d858ab78a19cde1fa5" "qrencode-3.4.4.tar.bz2"
   bsdtar -xf qrencode*.tar.bz2
   rm qrencode*.tar.bz2
   cd qrencode*
@@ -633,6 +643,7 @@ then
   mkdir -p "$EXIF_PREFIX_DIR"
 
   wget https://sourceforge.net/projects/libexif/files/libexif/0.6.21/libexif-0.6.21.tar.bz2
+  check_sha256 "16cdaeb62eb3e6dfab2435f7d7bccd2f37438d21c5218ec4e58efa9157d4d41a" "libexif-0.6.21.tar.bz2"
   bsdtar -xf libexif*.tar.bz2
   rm libexif*.tar.bz2
   cd libexif*