61 lines
1.2 KiB
Nix
61 lines
1.2 KiB
Nix
{
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writeShellApplication,
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diffutils,
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findutils,
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coreutils,
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...
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}:
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let
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genPatches = writeShellApplication {
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name = "gen-patches";
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runtimeInputs = [
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diffutils
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findutils
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coreutils
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];
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text = ''
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suffix=".orig"
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srcdir=$PWD
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output="$PWD/patches"
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usage() {
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echo "Usage: $0 [-s suffix (default .orig)] [-d source directory (default PWD)] [-o output directory (default PWD/patches)]" 1>&2;
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exit 1;
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}
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while getopts "d:ho:s:" arg; do
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case $arg in
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d)
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srcdir=$OPTARG
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;;
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h)
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usage
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;;
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s)
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suffix=$OPTARG
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;;
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o)
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output=$OPTARG
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;;
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*)
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usage
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esac
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done
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mkdir -p "$output"
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# hold my be er!
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# shellcheck disable=SC2044
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for patch in $(find "$srcdir" -name "*$suffix"); do
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fname=$(basename "$patch" "$suffix")
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dname=$(dirname "$patch")
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file="$dname/$fname"
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outfile="$(echo "$dname/$fname" | sed 's;/;_;g').diff"
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diff -u "$patch" "$file" > "$output/$outfile" || \
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echo "==> Created patch: $output/$outfile"
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done
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'';
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};
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in
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genPatches
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