Move `git-commit-last-msg` into an autoloadable function. This way it can also be executed as external script and thus in a git alias. This makes it additionally possible to call it in vim over fugitive's `:Git`.
Move `git-commit-last-msg` into an autoloadable function. This way it can also be executed as external script and thus in a git alias. This makes it additionally possible to call it in vim over fugitive's `:Git`.