useful git commands

git_commands.sh

# show only file names
git diff --name-only SHA HEAD~1 > diff.txt

# delete old branches
git branch -a > branches.txt # dump all branches to file
  && sed -i '' 's/\/remote\/origin\///g' branches.txt  # replace unneeded '/remote/origin/' prefix
  && nano branches.txt  # manually delete branches that need to be keeped
  && cat branches.txt | xargs -I {} git push origin :{}  # delete unneeded branches
  
# show added/deleted lines count
git log --author="Alwx" --pretty=tformat: --shortstat | cut -d' ' -f5,7 | awk '{for (i=1;i<=NF;i++) sum[i]+=$i;}; END{for (i in sum) print sum[i];}'