git cheats

git-cheats.sh

# grep through git history
for i in {1..20}
do
    echo "### check master~$((i - 1)) vs master~${i} diff ###"
    git diff "master~$((i - 1))" "master~${i}" | grep -i 'sample-index'
done

# merge logs across several projects
(echo "commit time,author,project,message"; \
(for i in `"ls" -d */`; do (cd $i; git log "--pretty=tformat:%ai,%an,$i,%s") 2>/dev/null; done \
| sort --reverse | grep -i shep)) | csvtopretty - | less -S

# initialize submodules after checkout
git submodule init && git submodule update && git submodule foreach 'git checkout master'

# push all sub-modules at once
git submodule foreach 'git push origin master'

# initializing a shared git repo on our server
git init --bare --shared=group

# pushing to repo on server
git push ssh://forge.jax.org/srv/git/heredity-hmm master

# creating a new git submodule using a relative path
git submodule add ../build-common build-common

# setting the origin repo
git remote add origin git@github.com:keithshep/txt-sushi.git

# reset last commit leaving working files untouched
git reset --soft HEAD^
#   ... edits ...
git commit -a -c ORIG_HEAD

# where am I relative to tag
git describe

# where am I
git show

# allows you to push to a non-bare repo if you run in server repo (git version >= 2.3)
git config --local receive.denyCurrentBranch updateInstead