Git Info

git-info

#!/bin/bash

set -e

# actually parse the options and do stuff
while [[ $1 = -?* ]]; do
    case $1 in
        --gc)
            echo "Repacking objects"
            git gc --aggressive --auto
            ;;
        *) ;;
    esac

shift
done

# Summarize information about the current git repository
NUMBER_OF_COMMITS=`git rev-list --all | wc -l`
NUMBER_OF_OBJECTS=`git count-objects -v | grep in-pack | cut -f 2 -d ':'`
NUMBER_OF_FILES=`git ls-files | wc -l | tr -d ' '`
NUMBER_OF_CONTRIBUTORS=`git shortlog -s -n | wc -l | tr -d ' '`
NUMBER_OF_REFS=`git show-ref --heads -s | wc -l | tr -d ' '`
AGE=`git log --reverse --format='%cr' | head -n 1`
REPO_SIZE=`du -hs $(git rev-parse --git-dir) | awk '{print $1}'` # count-objects has size-pack but that _requires_ the repository to be packed

# %'.3f\n
printf "Repository size (approx): %12s\n"   "${REPO_SIZE}"
printf "Number of contributors  : %'12.d\n" $NUMBER_OF_CONTRIBUTORS
printf "Number of commits       : %'12.d\n" $NUMBER_OF_COMMITS
printf "Number of objects       : %'12.d\n" $NUMBER_OF_OBJECTS
printf "Number of files         : %'12.d\n" $NUMBER_OF_FILES
printf "Number of refs          : %'12.d\n" $NUMBER_OF_REFS
printf "First commit            : %12s\n"   "${AGE}"