Teemu Likonen schrieb:
> I'm doing a script named git-remove-tree which removes the working tree
> known to Git. It doesn't touch untracked files; it only deletes
> directories if they are empty. The script seems to work, but because I'm
> not very good at Git plumbing and there can be some corner cases which I
> don't know about, I'd appreciate if more experienced users would have a
> look. Is the following script safe?
>
>
> #!/bin/sh
> # git-remove-tree
>
> is_wt=$(git rev-parse --is-inside-work-tree)
> if [ "$is_wt" = false ]; then
> echo "You must run this inside a working tree."
> exit 1
> elif [ -z "$is_wt" ]; then
> exit 1
> fi
>
> top=$(git rev-parse --show-toplevel)
> cd "$top" || {
> echo "Can't go to top-level directory $top"
> exit 1
> }
>
> git ls-tree --name-only -r -z HEAD | xargs -0r -- sh -c '
> for f in "$@"; do
> rm -f -- "$f"
> d=$(dirname -- "$f")
> [ "$d" = . ] || rmdir -p -- "$d" 2>/dev/null
> done' dollar0_argument
I think you should be able to reduce all of this to just
git read-tree --index-output=/tmp/empty.index -m -u \
4b825dc642cb6eb9a060e54bf8d69288fbee4904 # empty tree
rm -f /tmp/empty.index
(with the usual caveats about temporary files).
>
> echo 'Use "git reset --hard HEAD" to populate the working tree again.'
-- Hannes
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