Fixes to release script post-pantsbuild#7235.

Also fix some release-related documentation.

build-support/bin/release.sh

@@ -25,7 +25,7 @@ py_major_minor_patch=$(${PY} -c 'import sys; print(".".join(map(str, sys.version
 export PANTS_PYTHON_SETUP_INTERPRETER_CONSTRAINTS="${PANTS_PYTHON_SETUP_INTERPRETER_CONSTRAINTS:-['CPython==${py_major_minor_patch}']}"
 
 function run_local_pants() {
-  ${ROOT}/pants "$@"
+  ${ROOT}/pants2 "$@"
 }
 
 # NB: Pants core does not have the ability to change its own version, so we compute the
@@ -483,7 +483,7 @@ function fetch_and_check_prebuilt_wheels() {
       fi
     done
 
-    if [ "${cross_platform}" != "true" ] && [ ${#packages[@]} -ne 2 ]; then
+    if [ "${cross_platform}" != "true" ] && [ ${#packages[@]} -ne 4 ]; then
       missing+=("${NAME} (expected whls for each platform: had only ${packages[@]})")
       continue
     fi
@@ -590,7 +590,7 @@ function build_pex() {
 
   execute_pex \
     -o "${dest}" \
-    --script=pants \
+    --script=pants2 \
     "${platform_flags[@]}" \
     "${requirements[@]}"
 

src/docs/release.md

@@ -156,7 +156,7 @@ is not required.
 3. Publish to PyPi
 ------------------
 
-Once the first two travis shards (the "binary builder" shards) have completed for your release
+Once the four "Build wheels" Travis shards have completed for your release
 commit, you can publish to PyPi. First, ensure that you are on your release branch at your version
 bump commit. Then, publish the release: