#!/bin/bash # This script expects the following variables to be exported: # - REPO_PATH: the path of the repo the experiment is based on # - MAX_VERSION: the max number for versions for the experiment # - COMMITS: the name of the file that contains the lists of versions # - BACKUP: the path fo the dna-backup dir # - DIFFS: the path of the git diff dir GITC="git -C $REPO_PATH" # "empty tree" commit prev="4b825dc642cb6eb9a060e54bf8d69288fbee4904" last=$(tail --lines=1 $COMMITS | cut -f1) i=0 cat $COMMITS | while read line do hash=$(echo "$line" | cut -f1) $GITC checkout $hash # create diff for this version $GITC diff --minimal --binary --unified=0 $prev | gzip > $DIFFS/$i.diff.gz # create backup for this version ../dna-backup commit -v 2 $REPO_PATH $BACKUP prev=$hash let i++ if [[ $i == $MAX_VERSION ]] then break fi done # cleanup $GITC checkout $last