.circleci: Remove quotes from --git-dir

git doesn't handle the escapes correctly so let's just not put them
altogether.

Signed-off-by: Eli Uriegas <eliuriegas@fb.com>

.circleci/scripts/binary_populate_env.sh

@@ -2,6 +2,8 @@
 set -eux -o pipefail
 export TZ=UTC
 
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
 # We need to write an envfile to persist these variables to following
 # steps, but the location of the envfile depends on the circleci executor
 if [[ "$(uname)" == Darwin ]]; then
@@ -47,13 +49,16 @@ export DATE="$(date -u +%Y%m%d)"
 #TODO: We should be pulling semver version from the base version.txt
 BASE_BUILD_VERSION="1.5.0.dev$DATE"
 # Change BASE_BUILD_VERSION to git tag when on a git tag
-if git describe --tags --exact >/dev/null 2>/dev/null; then
+# Use 'git -C' to make doubly sure we're in the correct directory for checking
+# the git tag
+GIT_DESCRIBE="git --git-dir ${workdir}/pytorch/.git describe"
+if ${GIT_DESCRIBE} --tags --exact >/dev/null; then
   # Switch upload folder to 'test/' if we are on a tag
   PIP_UPLOAD_FOLDER='test/'
   # Grab git tag, remove prefixed v and remove everything after -
   # Used to clean up tags that are for release candidates like v1.5.0-rc1
   # Turns tag v1.5.0-rc1 -> v1.5.0
-  BASE_BUILD_VERSION="$(git describe --tags | sed -e 's/^v//' -e 's/-.*$//')"
+  BASE_BUILD_VERSION="$(${GIT_DESCRIBE} --tags | sed -e 's/^v//' -e 's/-.*$//')"
 fi
 if [[ "$(uname)" == 'Darwin' ]] || [[ "$DESIRED_CUDA" == "cu101" ]] || [[ "$PACKAGE_TYPE" == conda ]]; then
   export PYTORCH_BUILD_VERSION="${BASE_BUILD_VERSION}"