dotfiles/.local/bin/scripts/git-fuzz

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#!/bin/sh -e
# Create a commit or stage files via fzf selection
# If the first arg is "add", files are staged rather than committed.
# All remaining args are passed to the last git command (add or commit).
# TODO fix broken prep-commit-msg hook when there is no unifying path
# TODO fix broken alt-enter not opening editor --bind='alt-enter:change-prompt(hi>)'
set -o pipefail
fzfpipe() {
# Take nul-separated input from git-status short/porcelain
# and return a newline-separated list of selected files
cut -z -c2- |
git fzf-diff --read0 -d' ' --nth=2.. --bind="alt-enter:execute($EDITOR '$(git rev-parse --show-toplevel)/{2..}')" \
--preview="test {1} != \? && git diff --color HEAD --unified=4 -- {2..} | $(git config interactive.diffFilter) || find {2..} -type f | xargs -I% diff --recursive --color=always -u /dev/null %" |
cut -c3-
}
test $(git ls-tree HEAD . | wc -l) -gt 1 && wd=$PWD
cd "$(git rev-parse --show-toplevel)"
prefix="/tmp/git/fuzz"
mkdir -p "$prefix"
case "$1" in
(add) shift
git status -z --porcelain --no-renames --untracked-files=all $wd |
grep -zv '^\\w ' | fzfpipe |
xargs -rd '\n' -L 1 git -c advice.addEmptyPathspec=false add --verbose "$@";;
(*) git status -z --porcelain --no-renames $wd |
sed -z 's/^\\(\\w\\) / \\1/' | fzfpipe >"$prefix/files"
cat "$prefix/files" | xargs -rd '\n' ls -fd 2>/dev/null >"$prefix/files-existing" || true
git -c advice.addEmptyPathspec=false add --intent-to-add --pathspec-from-file="$prefix/files-existing"
git commit -v --only --pathspec-from-file="$prefix/files" "$@";;
esac