dotfiles/scripts/gitghost
Geoffrey Frogeye ee178b7d57
nix: Make nix the root
Which means now I'll have to think about real prefixes in commit names.
2023-11-26 23:58:22 +01:00

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#!/usr/bin/env nix-shell
#! nix-shell -i bash --pure
#! nix-shell -p bash coreutils git gnused
# Replace git folders with a placeholder containing the remote and the commit
function prompt { # text
while true; do
read -p "$1 [yn] " yn
case $yn in
[Yy]* ) return 1;;
[Nn]* ) return 0;;
* ) echo "Please answer yes or no.";;
esac
done
}
if [[ "$#" == 0 || "$#" > 2 ]]
then
echo "Usage: $0 gitfolder [-y]"
exit 1
fi
folder="$(echo "$1" | sed 's/\/*$//')"
if [ "$2" == "-y" ]
then
donotask=true
fi
if [ ! -d "$folder/.git" ]
then
echo "$folder is not a git repository"
exit 1
fi
if [ -n "$(git -C "$folder" diff)" ]
then
echo "WARNING: There are unstaged change. Those will be discarded if you continue."
fi
echo "Be sure that every commit in the repository is backed up somewhere else, since those will be discarded."
TMPFILE=$(mktemp)
(echo "[gitplaceholder]"
echo "lastcommit=$(git log --format="%H" -n 1)"
echo
echo "[remote]"
git -C "$folder" remote -v
echo
echo "[branch]"
git -C "$folder" branch -v
echo
echo "[diff]"
git -C "$folder" diff -v) > $TMPFILE 2> /dev/null
if [ ! $donotask ]
then
less $TMPFILE
echo
echo "This will be written in place of $folder."
prompt "Do you want to continue ?"
if [ "$?" == 0 ]
then
echo "Canceled"
rm $TMPFILE
exit 0
fi
fi
echo "Dummying..."
rm -rf "$folder"
mv $TMPFILE $folder