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git-history.sh
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git-history.sh
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#!/bin/bash
# Inspired by @Tomnomnom
# https://twitter.com/tomnomnom/status/1133345832688857095
# git-history.sh <keyword>
keyword=$1
# if you also use his gf tool, you can prefix the keyword: 'k_<keyword>'
# https://github.com/tomnomnom/gf
if [ ${keyword:0:2} == "k_" ] ; then
k=${keyword:2}
kf=~/.gf/$k.json
if [ -f $kf ] ; then
tmp=`cat $kf | egrep '"patterns"'`
if [ -n "$tmp" ] ; then
t_keywords=(`cat $kf | jq '.patterns | .[]'`)
else
t_keywords=(`cat $kf | jq '.pattern'`)
fi
fi
else
t_keywords="#$keyword#"
fi
n_keywords=${#t_keywords[@]}
i=0
echo "#### KEYWORDS: $n_keywords"
for (( i=0; i<$n_keywords; i++ )) ; do
keyword=${t_keywords[$i]:1:-1}
keyword=`echo $keyword | sed "s/\\\\\\\\\\\\\/\\\\\/g"`
t_keywords[$i]=$keyword
echo ${t_keywords[$i]}
done
echo "####"
echo
# exit
lrepo=$(find . -type d -name .git)
pwd=$(pwd)
if [ $# -gt 1 ] ; then
fname=1
else
fname=0
fi
for r in $lrepo ; do
i=0
rr=$(dirname $r)
echo ">>>> $rr <<<<"
echo
cd $rr
t_idx=$(find .git/objects/pack/ -name "*.idx")
echo $t_idx
for idx in $t_idx ; do
if [ $fname -eq 1 ] ; then
echo $idx
fi
# git show-index < "$idx"
t_obj=$(git show-index < "$idx" | awk '{print $2}')
# echo $t_obj
for obj in $t_obj ; do
if [ $fname -eq 1 ] ; then
echo $obj
fi
# content=$(git cat-file -p $obj)
# in order to save time, search only occurs on first 1M
content=$(git cat-file -p $obj | head -c1000000)
# size=$(echo $content | wc -c)
# echo $size
# if [ $size -gt 1500000 ] ; then
# # if size < 1.5M
# continue
# fi
for (( i=0; i<$n_keywords; i++ )) ; do
keyword=${t_keywords[$i]}
# echo $keyword
echo $content | egrep --color -Ioa ".{0,50}$keyword.{0,50}"
# git cat-file -p $obj | egrep --color -oa ".{0,50}$keyword.{0,50}"
# {
# find .git/objects/pack/ -name "*.idx" |
# while read i ; do
# # if [ $fname -eq 1 ] ; then
# # echo $i
# # fi
# git show-index < "$i" | awk '{print $2}';
# done;
# find .git/objects/ -type f | grep -av '/pack/' | awk -F '/' '{print $(NF-1)$NF}';
# } | while read o ; do
# if [ $n -ge 5 ] ; then
# break
# fi
# n=$((n+1))
# if [ $fname -eq 1 ] ; then
# echo $o
# fi
# git cat-file -p $o | egrep --color -oa ".{0,50}$keyword.{0,50}"
# break
# done
done
done
done
echo
cd $pwd
done