[BE]:Fix git set url (#44)

* Fix git set url

* Up version

* Add final fallbacks

* Refactor

* Test env variable

* Make test env variable

* Make test env variable

* Refactor

* Remove not needing condition

* Remove not needing new line

* Refactor

* Refactor

Author: PhilippPlotnikov

service.yaml

@@ -1 +1 @@
-version: 10.1.14
+version: 10.1.15

start.sh

@@ -2,9 +2,22 @@
 
 exit_trap () {
   local lc="$BASH_COMMAND" rc=$?
-  if [ $rc != 0 ]; then
-    echo "Command [$lc] exited with code [$rc]"
+  if [ "$rc" = 0 ]; then
+    return
   fi
+  if [ "$CLEAN_GIT_LOCK_FILES" = "true" ] && [ "$IS_RETRY" != "true" ]; then
+    retry_script
+    exit $?
+  fi
+  echo "Command [$lc] exited with code [$rc]"
+}
+
+retry_script () {
+  echo "Retrying git clone operation..."
+  cd ../
+  rm -rf $CLONE_DIR
+  export IS_RETRY=true
+  ./$0 $@
 }
 
 git_retry () {
@@ -31,10 +44,24 @@ git_retry () {
    )
 }
 
+upsert_remote_alias () {
+  remoteAlias=$1
+  remoteUrl=$2
+  isOriginAliasExisted=$(git remote -v | awk '$1 ~ /^'$remoteAlias'$/{print $1; exit}')
+  if [ "$isOriginAliasExisted" = "$remoteAlias" ]; then
+    git remote set-url $remoteAlias $remoteUrl
+  else
+    git remote add $remoteAlias $remoteUrl
+  fi
+}
+
+delete_process_lock_files () {
+  find ./.git -type f -iname '*.lock' -delete
+}
+
 trap exit_trap EXIT
 set -e
 
-
 [ -z "$REVISION" ] && (echo "missing REVISION var" | tee /dev/stderr) && exit 1
 
 
@@ -107,8 +134,11 @@ if [ -d "$CLONE_DIR" ]; then
 
   # Make sure the CLONE_DIR folder is a git folder
   if git status &> /dev/null ; then
+      if [ "$CLEAN_GIT_LOCK_FILES" = "true" ]; then
+        delete_process_lock_files
+      fi
       # Reset the remote URL because the embedded user token may have changed
-      git remote set-url origin $REPO
+      upsert_remote_alias origin $REPO
 
       echo "Cleaning up the working directory"
       git reset -q --hard