treesitter_neovim_bonker.sh

#!/usr/bin/env bash

# use like:
# ~/treesitter_neovim_bonker.sh /path/to/tree-sitter/repo /path/to/neovim/repo
# you need to use git-bisect on the tree-sitter repository before doing this


TREE_SITTER_DIR=$1
NEOVIM_DIR=$2

# GNU sed, please!
sed_cmd=gsed
# GNU grep, please!
grep_cmd=ggrep

# replace the commit of tree-sitter on Neovim

ts_commit_hash="$(cd $TREE_SITTER_DIR && git rev-parse HEAD)"

printf 'the TS commit hash is %s\n' $ts_commit_hash

$sed_cmd -i -E "s#(TREESITTER_URL https://github.com/tree-sitter/tree-sitter/archive/)[a-f0-9]*(\.zip)#\1$ts_commit_hash\2#; s#(TREESITTER_SHA256 )[a-f0-9]*#\1#" \
    $NEOVIM_DIR/third-party/CMakeLists.txt
printf 'modified third-party/CMakeLists.txt\n'


correct_checksum="$(cd $NEOVIM_DIR && make 2>&1 | $grep_cmd -P -o -m 1 "[a-f0-9]+(?= instead)")"

printf 'correct checksum is %s\n' $correct_checksum

$sed_cmd -i -E "s#(TREESITTER_SHA256 )#\1$correct_checksum#" \
    $NEOVIM_DIR/third-party/CMakeLists.txt

cd $NEOVIM_DIR && make