gnostr-legit adds Proof of Work (PoW) to a git commit hash prefix.
gnostr-legit is part of the gnostr.org command line utility suite.
install rustup:
curl -sSf https://static.rust-lang.org/rustup.sh | sh
cargo:
cargo install gnostr-legit
example:
gnostr-legit . -p 00000 -m "gnostr-legit commit"