Function for getting the existing heads $\set H$ of the branch $\pc^{+/-}$.
These are the heads which will be merged and used in this update.
This will include the current local and remote git refs, as desired.
Function for getting the existing heads $\set H$ of the branch $\pc^{+/-}$.
These are the heads which will be merged and used in this update.
This will include the current local and remote git refs, as desired.