win32_deps_build.sh: only clone the tip of required tag

no need to clone the whole repo, just clone the tip of the specified
tag. this saves the bandwidth, disk IO and precious time.

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/win32_deps_build.sh b/win32_deps_build.sh
index 9e753d1e3092ebecbf907bebe8fae0e9fd79533c..19e7b02db3d278707bf421d38e101ebd60d3b2a9 100755 (executable)
--- a/win32_deps_build.sh
+++ b/win32_deps_build.sh
@@ -105,8 +105,8 @@ _make BINARY_PATH=$zlibDir \
 echo "Building lz4."
 cd $depsToolsetDir
 if [[ ! -d $lz4Dir ]]; then
-    git clone https://github.com/lz4/lz4
-    cd $lz4Dir; git checkout $lz4Tag
+    git clone --branch $lz4Tag --depth 1 https://github.com/lz4/lz4
+    cd $lz4Dir
 fi
 cd $lz4Dir
 _make BUILD_STATIC=no CC=${MINGW_CC%-posix*} \
@@ -117,8 +117,8 @@ _make BUILD_STATIC=no CC=${MINGW_CC%-posix*} \
 echo "Building OpenSSL."
 cd $depsSrcDir
 if [[ ! -d $sslSrcDir ]]; then
-    git clone https://github.com/openssl/openssl
-    cd $sslSrcDir; git checkout $sslTag
+    git clone --branch $sslTag --depth 1 https://github.com/openssl/openssl
+    cd $sslSrcDir
 fi
 cd $sslSrcDir
 mkdir -p $sslDir
@@ -131,8 +131,8 @@ _make install
 echo "Building libcurl."
 cd $depsSrcDir
 if [[ ! -d $curlSrcDir ]]; then
-    git clone https://github.com/curl/curl
-    cd $curlSrcDir && git checkout $curlTag
+    git clone --branch $curlTag --depth 1 https://github.com/curl/curl
+    cd $curlSrcDir
 fi
 cd $curlSrcDir
 ./buildconf
@@ -223,8 +223,8 @@ _make install
 echo "Building snappy."
 cd $depsSrcDir
 if [[ ! -d $snappySrcDir ]]; then
-    git clone https://github.com/google/snappy
-    cd $snappySrcDir && git checkout $snappyTag
+    git clone --branch $snappyTag --depth 1 https://github.com/google/snappy
+    cd $snappySrcDir
 fi
 mkdir -p $snappySrcDir/build
 cd $snappySrcDir/build