cmake: add --progress flag to git submodule update commands

Ceph has lots of submodules that needs to be cloned before building
binaries from the repository. Seeing the progress when these submodules
are being cloned is useful, especially when developers/users have a
network issue or a slow network.

Signed-off-by: Rishabh Dave <ridave@redhat.com>

README.md

@@ -40,7 +40,7 @@ following commands to move into the cloned `ceph/ceph` repository and to check
 out the git submodules associated with it:
 
     cd ceph
-	git submodule update --init --recursive
+	git submodule update --init --recursive --progress
 
 
 ## Build Prerequisites

do_cmake.sh

@@ -2,7 +2,7 @@
 set -ex
 
 if [ -d .git ]; then
-    git submodule update --init --recursive
+    git submodule update --init --recursive --progress
 fi
 
 : ${BUILD_DIR:=build}

doc/dev/corpus.rst

@@ -27,7 +27,7 @@ script of ``script/gen-corpus.sh``, or by following the instructions below:
 
 	git clone ceph.git
 	cd ceph
-	git submodule update --init --recursive
+	git submodule update --init --recursive --progress
 
 #. Build with flag to dump objects to ``/tmp/foo``::
 

doc/install/clone-source.rst

@@ -154,13 +154,13 @@ Updating Submodules
 
    .. prompt:: bash $
 
-      git submodule update --force --init --recursive
+      git submodule update --force --init --recursive --progress
       git clean -fdx
       git submodule foreach git clean -fdx
 
    If you still have problems with a submodule directory, use ``rm -rf
    [directory name]`` to remove the directory. Then run ``git submodule update
-   --init --recursive`` again.
+   --init --recursive --progress`` again.
 
 #. Run ``git status`` again:
 

make-dist

@@ -35,7 +35,7 @@ echo "version $version"
 # update submodules
 echo "updating submodules..."
 force=$(if git submodule usage 2>&1 | grep --quiet 'update.*--force'; then echo --force ; fi)
-if ! git submodule sync || ! git submodule update $force --init --recursive; then
+if ! git submodule sync || ! git submodule update $force --init --recursive --progress; then
     echo "Error: could not initialize submodule projects"
     echo "  Network connectivity might be required."
     exit 1

qa/workunits/rados/test_envlibrados_for_rocksdb.sh

@@ -58,7 +58,7 @@ if [ -e rocksdb ]; then
 fi
 
 pushd $(dirname /home/ubuntu/cephtest/clone.client.0/qa/workunits/rados/bash.sh)/../../../
-git submodule update --init src/rocksdb
+git submodule update --init --progress src/rocksdb
 popd
 git clone $(dirname /home/ubuntu/cephtest/clone.client.0/qa/workunits/rados/bash.sh)/../../../src/rocksdb rocksdb