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fetchpatch: add option to revert a patch

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This commit is contained in:
Timo Kaufmann 2018-07-16 22:45:07 +02:00
parent 8f9b985e60
commit 3058513941
3 changed files with 13 additions and 19 deletions
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14
pkgs/applications/science/math/sage/patches/revert-269c1e1551285.patch
View file

@ -1,14 +0,0 @@
reverted:
--- b/src/sage/geometry/polyhedron/backend_cdd.py
+++ a/src/sage/geometry/polyhedron/backend_cdd.py
@@ -154,7 +154,9 @@
... [0.62, -1.38, 0.38],[0.144, -1.04, 0.04],
... [0.1309090909, -1.0290909091, 0.04]]
sage: Polyhedron(point_list)
+ Traceback (most recent call last):
+ ...
+ ValueError: *Error: Numerical inconsistency is found. Use the GMP exact arithmetic.
- A 3-dimensional polyhedron in RDF^3 defined as the convex hull of 14 vertices
sage: Polyhedron(point_list, base_ring=QQ)
A 3-dimensional polyhedron in QQ^3 defined as the convex hull of 14 vertices
"""

7
pkgs/applications/science/math/sage/sage-src.nix
View file

@ -156,7 +156,12 @@ stdenv.mkDerivation rec {
sha256 = "0fmw7pzbaxs2dshky6iw9pr8i23p9ih2y2lw661qypdrxh5xw03k";
stripLen = 1;
})
./patches/revert-269c1e1551285.patch
(fetchpatch {
name = "revert-cddlib-doctest-changes.patch";
url = "https://git.sagemath.org/sage.git/patch/?id=269c1e1551285566b8ba7a2b890989e5590e9f11";
sha256 = "12bcjhq7hm2pmmj2bgjvcffjyls2x7q61ivlnaj5v5bsvhc183iy";
revert = true;
})
# Only formatting changes.

11
pkgs/build-support/fetchpatch/default.nix
View file

@ -5,7 +5,7 @@
# stripLen acts as the -p parameter when applying a patch.
{ lib, fetchurl, patchutils }:
{ stripLen ? 0, extraPrefix ? null, excludes ? [], includes ? [], ... }@args:
{ stripLen ? 0, extraPrefix ? null, excludes ? [], includes ? [], revert ? false, ... }@args:
fetchurl ({
postFetch = ''
@ -37,7 +37,7 @@ fetchurl ({
${builtins.toString (builtins.map (x: "-x ${lib.escapeShellArg x}") excludes)} \
${builtins.toString (builtins.map (x: "-i ${lib.escapeShellArg x}") includes)} \
"$tmpfile" > "$out"
${args.postFetch or ""}
if [ ! -s "$out" ]; then
echo "error: Filtered patch '$out$' is empty (while the original patch file was not)!" 1>&2
echo "Check your includes and excludes." 1>&2
@ -45,6 +45,9 @@ fetchurl ({
cat "$tmpfile" 1>&2
exit 1
fi
'';
'' + lib.optionalString revert ''
${patchutils}/bin/interdiff "$out" /dev/null > "$tmpfile"
mv "$tmpfile" "$out"
'' + (args.postFetch or "");
meta.broken = excludes != [] && includes != [];
} // builtins.removeAttrs args ["stripLen" "extraPrefix" "excludes" "includes" "postFetch"])
} // builtins.removeAttrs args ["stripLen" "extraPrefix" "excludes" "includes" "revert" "postFetch"])