2014-05-17 07:27:29 +02:00
|
|
|
# This function downloads and normalizes a patch/diff file.
|
|
|
|
|
# This is primarily useful for dynamically generated patches,
|
|
|
|
|
# such as GitHub's or cgit's, where the non-significant content parts
|
|
|
|
|
# often change with updating of git or cgit.
|
|
|
|
|
# stripLen acts as the -p parameter when applying a patch.
|
|
|
|
|
|
|
|
|
|
{ fetchurl, patchutils }:
|
|
|
|
|
{ stripLen ? 0, ... }@args:
|
|
|
|
|
|
|
|
|
|
fetchurl ({
|
|
|
|
|
postFetch = ''
|
|
|
|
|
tmpfile="$TMPDIR/${args.sha256}"
|
|
|
|
|
"${patchutils}/bin/lsdiff" "$out" \
|
|
|
|
|
| sort -u | sed -e 's/[*?]/\\&/g' \
|
|
|
|
|
| xargs -I{} \
|
|
|
|
|
"${patchutils}/bin/filterdiff" \
|
|
|
|
|
--include={} \
|
|
|
|
|
--strip=${toString stripLen} \
|
|
|
|
|
--clean "$out" > "$tmpfile"
|
|
|
|
|
mv "$tmpfile" "$out"
|
|
|
|
|
'';
|
2015-02-23 02:31:28 +01:00
|
|
|
} // builtins.removeAttrs args ["stripLen"])
|
