sankalp-khare

#!/bin/bash -e
#-------------------------------------------------------------------------------------
# Summary: Executes commands to...
#   * Check/output currently installed version of gnupg
#   * Change into the brew repo/install directory
#   * Find the git commit-id of the specified version of gnupg
#   * git branch/switch to the commit-id
#   * replace the brew installed version with the specified version (and pin it)
#   * clean up the branch, switch back to master, and remove cached files
#   * Check/output the newly installed version of gnupg