fakify.sh

#!/bin/bash

COPY_REPO="https://github.com/apsknight/IITBBSNewsAPI.git"
TARGET_REPO="https://github.com/MadhavChoudhary/IITBBSNewsAPI.git"
START_DATE="28-07-2019"

git clone $COPY_REPO
cd $(basename "$COPY_REPO" .git)

X=$(date +%s)
Y=$(date -jf %d-%m-%Y $START_DATE +%s)
D=$(((X-Y)/86400))

git filter-branch -f --env-filter '

MY_NAME="MadhavChoudhary"
MY_EMAIL="[email protected]"
SYM="d"
RAND=$(($RANDOM % 3))
OFFSET=${OFFSET:-'$D'}

OFFSET=$((OFFSET-RAND))
DATE=$(date -v -$OFFSET$SYM -R)

export GIT_AUTHOR_NAME="$MY_NAME"
export GIT_AUTHOR_EMAIL="$MY_EMAIL"
export GIT_COMMITTER_NAME="$MY_NAME"
export GIT_COMMITTER_EMAIL="$MY_EMAIL"
export GIT_AUTHOR_DATE="$DATE"
export GIT_COMITTER_DATE="$DATE"

' HEAD

git remote remove origin
git remote add origin $TARGET_REPO
git push -f origin master