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>
(cherry picked from commit 1d5b07a0928e192f0a7f017b83f90e727f70e793)

diff --git a/win32_deps_build.sh b/win32_deps_build.sh
index 0a1e07ecb449dd81109d864cca55c093c71f63d9..2f18ace1518f71fdeed950927250baecb2a6422e 100755 (executable)
--- a/win32_deps_build.sh
+++ b/win32_deps_build.sh
@@ -103,8 +103,8 @@ _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*} \
@@ -115,8 +115,8 @@ _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
@@ -129,8 +129,8 @@ _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
@@ -221,8 +221,8 @@ _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