git-add-atomic
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#!/bin/bash | |
# diff a specific file for now (check it exists, etc.) | |
# extract hunk texts | |
bold=$(tput bold) | |
head=$(tput smul) | |
oldd=$(tput setaf 1) | |
newd=$(tput setaf 2) | |
askq=$(tput setaf 5) | |
norm=$(tput sgr0) | |
# work on single, specified file | |
if [ -e "$1" ] && [ ! -z "$1" ]; then | |
filediff="$(git diff --word-diff -U0 $1)"; | |
alldiffs="$(echo "$filediff" | tail -n +5)"; | |
filehead="$(echo "$filediff" | head -n 4)"; | |
patchcontent=""; | |
nl=$'\n' | |
diffnum=$((0)) | |
while IFS= read -r origline; do | |
if [[ "$origline" =~ ^\@\@.*$ ]]; then | |
patchcontent="$patchcontent$nl$origline"; | |
else | |
diffline="$origline"; | |
resetline="$origline"; | |
while read diff; do | |
echo "${head}${bold}Line diff${norm}" | |
echo "$diffline" | |
old=$(echo "$diff" | grep -Po '(?:\[\-(.*?)\-\])'); | |
new=$(echo "$diff" | grep -Po '(?:\{\+(.*?)\+\})'); | |
echo "${head}${bold}Word diff${norm}" | |
echo "${oldd}$old${newd}$new${norm}" | |
if [ "$skip" = "q" ]; then | |
answer=n | |
else | |
read -p "${bold}${askq}Stage this diff [y,n,q]?${norm}" answer </dev/tty | |
fi | |
# escape removal wrapper characters for use as substitution pattern | |
if [ ! -z "$old" ]; then | |
ptn="\[\-${old:2:-2}\-\]$new"; | |
else | |
ptn="$new"; | |
fi | |
# create original for line-level patch | |
resetline="${resetline/$ptn/${old:2:-2}}"; | |
# create curated line for line-level patch | |
# y = yes, this hunk | |
if [ "$answer" = "y" ]; then | |
echo "${bold}Selected:${norm}" | |
echo "$(tput setaf 2)$new$(tput sgr0)" | |
diffline="${diffline/$ptn/${new:2:-2}}"; | |
diffnum=$((diffnum + 1)) | |
echo $diffnum | |
# n = no, not this hunk | |
elif [ "$answer" = "n" ]; then | |
diffline="${diffline/$ptn/${old:2:-2}}"; | |
if [ ! -z "$old" ]; then | |
echo "${bold}Selected:${norm}" | |
echo "$(tput setaf 1)$old$(tput sgr0)" | |
else | |
echo "${bold}Diff not staged.${norm}" | |
fi | |
elif [ "$answer" = "q" ]; then | |
skip=q | |
fi | |
echo | |
done < <(grep -Po '(?:\[\-(.*?)\-\])?(?:\{\+(.*?)\+\})' < <(echo "$diffline")) | |
patchcontent="$patchcontent$nl-$resetline$nl+$diffline"; | |
fi | |
done < <(printf '%s\n' "$alldiffs") | |
patchcontent="$filehead$patchcontent"; | |
echo "$diffnum diff(s) selected" | |
echo "$patchcontent" | |
echo "$patchcontent" | git apply --cached | |
echo "${bold}Selected diffs applied${norm}" | |
else | |
echo "Could not find file $1" | |
fi |
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