FAB-7090 improve d/l tracking process

provide a generic bootstrap.sh script that defaults to the
latest release but can be provided a specific version to
download/install.

update the docs to reflect the modified short URL and
current version.

add more comprehensice handling for older versions of curl.

Change-Id: I79e7326ae42ac25b1aabc754159d0d9aa67b62be
Signed-off-by: Christopher Ferris <chrisfer@us.ibm.com>

Author: christo4ferris

docs/source/samples.rst

@@ -44,12 +44,18 @@ you will extract the platform-specific binaries:
 
 .. code:: bash
 
-  curl -sSL https://goo.gl/fMh2s3 | bash
+  curl -sSL https://goo.gl/x2LhaE | bash -s 1.1.0-preview
 
 .. note:: If you get an error running the above curl command, you may
-          have too old a version of curl. Please visit the
-          :doc:`prereqs` page for additional information on where to
-          find the latest version.
+          have too old a version of curl that does not handle redirects.
+					Please visit the :doc:`prereqs` page for additional information on
+					where to find the latest version. Alternately, you can substitute the
+					un-shortened URL:
+					  https://github.com/hyperledger/fabric/blob/master/scripts/bootstrap.sh
+
+.. note:: You can use the command above for any published version of Hyperledger
+          Fabric. Simply replace '1.1.0-preview' with the version identifier
+					of the version you wish to install.
 
 The curl command above downloads and executes a bash script
 that will download and extract all of the platform-specific binaries you
@@ -79,7 +85,7 @@ The script lists out the Docker images installed upon conclusion.
 
 Look at the names for each image; these are the components that will ultimately
 comprise our Hyperledger Fabric network.  You will also notice that you have
-two instances of the same image ID - one tagged as "x86_64-1.0.X" and
+two instances of the same image ID - one tagged as "x86_64-1.x.x" and
 one tagged as "latest".
 
 .. note:: On different architectures, the x86_64 would be replaced

scripts/bootstrap-1.0.0-alpha2.sh

@@ -5,7 +5,10 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
-export VERSION=1.0.2
+# current version of fabric released
+export VERSION=${1:-1.0.4}
+# current version of fabric-ca released
+export CA_VERSION=${2:-1.0.4}
 export ARCH=$(echo "$(uname -s|tr '[:upper:]' '[:lower:]'|sed 's/mingw64_nt.*/windows/')-$(uname -m | sed 's/x86_64/amd64/g')" | awk '{print tolower($0)}')
 #Set MARCH variable i.e ppc64le,s390x,x86_64,i386
 MARCH=`uname -m`
@@ -29,7 +32,7 @@ dockerCaPull() {
 }
 
 : ${CA_TAG:="$MARCH-$VERSION"}
-: ${FABRIC_TAG:="$MARCH-$VERSION"}
+: ${FABRIC_TAG:="$MARCH-$CA_VERSION"}
 
 echo "===> Downloading platform binaries"
 curl https://nexus.hyperledger.org/content/repositories/releases/org/hyperledger/fabric/hyperledger-fabric/${ARCH}-${VERSION}/hyperledger-fabric-${ARCH}-${VERSION}.tar.gz | tar xz