Reimplementation of Pijul in C, for education, fun and absolutely no profit

ani: rename NEED_WORK_TREE -> NEED_REPO_DIR

The flag always indicated that a subcommand needs the .pijul dir and not exactly a work tree.

Created by  laumann  on February 9, 2024
CS3OZD2JHXAGGCFIJRPCJE3EF26OI6KV3XY52MELNBUVBVDVFFMQC
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