git: Show default / configured pager command
问题 Git allows extensive configuration, with one of the values being core.pager . If this value is not set, Git performs some logic internally to automatically determine what the pager should be. core.pager Text viewer for use by Git commands (e.g., less). The value is meant to be interpreted by the shell. The order of preference is the $GIT_PAGER environment variable, then core.pager configuration, then $PAGER, and then the default chosen at compile time (usually less). When the LESS environment