Thorsten Glaser <t.gla...@tarent.de> writes:
> Although I’m ordinarily loath to write GNU bash scripts, this
> helps avoiding temporary files. This works:
>
> -----cutting here may damage your screen surface-----
> #!/bin/bash
> export LC_ALL=C
> subdir=x/y
> while IFS=' ' read -r old new name; do
> test x"$name" = x"refs/heads/master" || continue
> if test x"0" != x"$(comm -23z \
> <(git ls-tree -r -z "$old" "$subdir" | sort -z) \
> <(git ls-tree -r -z "$new" "$subdir" | sort -z) | wc -c)"; then
> echo >&2 'Untouchable files touched, commit rejected!'
> exit 1
> fi
Can't this become simpler, e.g.
if ! git diff-tree --quiet "$old" "$new" -- "$subdir"
then
echo >&2 "Ooh, $subdir is touched"
exit 1
fi
> done
> exit 0
> -----cutting here may damage your screen surface-----
>
> Of course, set “subdir” in line 3 correctly, and GNU coreutils
> are required for the NUL line termination, which is not an issue
> here. (BSD has “-R ''” for sort(1), for example.)
>
> bye,
> //mirabilos
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