Cleanup of themes, adding the new upstream variables where applicable

themes/Custom.bgptemplate

@@ -37,6 +37,11 @@ override_git_prompt_colors() {
   ## the name of the current virtual environment (currently CONDA and VIRTUAL_ENV)
   # GIT_PROMPT_VIRTUALENV="(${Blue}_VIRTUALENV_${ResetColor}) "
 
+  # template for displaying the current remote tracking branch
+  # use the placeholder _UPSTREAM_ will be replaced with
+  # the name of the current remote tracking branch
+  # GIT_PROMPT_UPSTREAM=" {${Blue}_UPSTREAM_${ResetColor}}"
+
   ## _LAST_COMMAND_INDICATOR_ will be replaced by the appropriate GIT_PROMPT_COMMAND_OK OR GIT_PROMPT_COMMAND_FAIL
   # GIT_PROMPT_START_USER="_LAST_COMMAND_INDICATOR_ ${Yellow}${PathShort}${ResetColor}"
   # GIT_PROMPT_START_ROOT="_LAST_COMMAND_INDICATOR_ ${GIT_PROMPT_START_USER}"

themes/Default.bgptheme

@@ -28,8 +28,7 @@ unset_git_prompt_colors() {
   unset GIT_PROMPT_SYMBOLS_NO_REMOTE_TRACKING
 }
 
-define_helpers()
+define_helpers() {
-{
   Time12a="\$(date +%H:%M)"
   PathShort="\w";
 }

themes/Single_line.bgptheme

@@ -17,6 +17,7 @@ unset_git_prompt_colors() {
   unset GIT_PROMPT_COMMAND_OK
   unset GIT_PROMPT_COMMAND_FAIL
   unset GIT_PROMPT_VIRTUALENV
+  unset GIT_PROMPT_UPSTREAM
   unset GIT_PROMPT_START_USER
   unset GIT_PROMPT_START_ROOT
   unset GIT_PROMPT_END_USER
@@ -27,8 +28,7 @@ unset_git_prompt_colors() {
   unset GIT_PROMPT_SYMBOLS_NO_REMOTE_TRACKING
 }
 
-define_helpers()
+define_helpers() {
-{
   Time12a="\$(date +%H:%M)"
   PathShort="\w";
 }

themes/Single_line_Solarized.bgptheme

@@ -21,6 +21,7 @@ unset_git_prompt_colors() {
   unset GIT_PROMPT_COMMAND_OK
   unset GIT_PROMPT_COMMAND_FAIL
   unset GIT_PROMPT_VIRTUALENV
+  unset GIT_PROMPT_UPSTREAM
   unset GIT_PROMPT_START_USER
   unset GIT_PROMPT_START_ROOT
   unset GIT_PROMPT_END_USER
@@ -31,8 +32,7 @@ unset_git_prompt_colors() {
   unset GIT_PROMPT_SYMBOLS_NO_REMOTE_TRACKING
 }
 
-define_helpers()
+define_helpers() {
-{
   PathShort="${BoldBlue}\u:${Cyan}\W"
 }
 
@@ -68,6 +68,11 @@ define_undefined_git_prompt_colors() {
   # the name of the current virtual environment (currently CONDA and VIRTUAL_ENV)
   if [[ -z ${GIT_PROMPT_VIRTUALENV} ]]; then GIT_PROMPT_VIRTUALENV="(${Blue}_VIRTUALENV_${ResetColor}) "; fi
 
+  # template for displaying the current remote tracking branch
+  # use the placeholder _UPSTREAM_ will be replaced with
+  # the name of the current remote tracking branch
+  if [[ -z ${GIT_PROMPT_UPSTREAM} ]]; then GIT_PROMPT_UPSTREAM=" {${Blue}_UPSTREAM_${ResetColor}}"; fi
+
   # _LAST_COMMAND_INDICATOR_ will be replaced by the appropriate GIT_PROMPT_COMMAND_OK OR GIT_PROMPT_COMMAND_FAIL
   if [[ -z ${GIT_PROMPT_START_USER} ]]; then GIT_PROMPT_START_USER="_LAST_COMMAND_INDICATOR_ ${Yellow}${PathShort}${ResetColor}"; fi
 

themes/Single_line_Ubuntu.bgptheme

@@ -28,8 +28,7 @@ unset_git_prompt_colors() {
   unset GIT_PROMPT_SYMBOLS_NO_REMOTE_TRACKING
 }
 
-define_helpers()
+define_helpers() {
-{
   Time12a="\$(date +%H:%M)"
   PathShort="\w";
 }