···

       
9
       
9
       
 
       
  # 0.3.4 would change hashes: https://github.com/NixOS/nixpkgs/issues/25154

     

       
10
       
10
       
 
       
  patchutils = buildPackages.patchutils_0_3_3;

     

       
11
       
11
       
 
       
in

     

       
12
       
12
       
-
       
{ stripLen ? 0, extraPrefix ? null, excludes ? [], includes ? [], revert ? false, ... }@args:

     

       
12
       
12
       
+
       
{ stripLen ? 0

     

       
13
       
13
       
+
       
, extraPrefix ? null

     

       
14
       
14
       
+
       
, excludes ? []

     

       
15
       
15
       
+
       
, includes ? []

     

       
16
       
16
       
+
       
, revert ? false

     

       
17
       
17
       
+
       
, postFetch ? ""

     

       
18
       
18
       
+
       
, ...

     

       
19
       
19
       
+
       
}@args:

     

       
13
       
20
       
 
       


     

       
14
       
14
       
-
       
let

     

       
15
       
15
       
-
       
  # Make base-64 encoded SRI hash filename-safe using RFC 4648 §5

     

       
16
       
16
       
-
       
  tmpname = lib.replaceStrings [ "+" "/" "=" ] [ "-" "_" "" ] args.sha256;

     

       
17
       
17
       
-
       
in

     

       
18
       
21
       
 
       
fetchurl ({

     

       
19
       
22
       
 
       
  postFetch = ''

     

       
20
       
20
       
-
       
    tmpfile="$TMPDIR/${tmpname}"

     

       
23
       
23
       
+
       
    tmpfile="$TMPDIR/patch"

     

       
24
       
24
       
+
       


     

       
21
       
25
       
 
       
    if [ ! -s "$out" ]; then

     

       
22
       
26
       
 
       
      echo "error: Fetched patch file '$out' is empty!" 1>&2

     

       
23
       
27
       
 
       
      exit 1

     

       
24
       
28
       
 
       
    fi

     

       
29
       
29
       
+
       


     

       
25
       
30
       
 
       
    "${patchutils}/bin/lsdiff" "$out" \

     

       
26
       
31
       
 
       
      | sort -u | sed -e 's/[*?]/\\&/g' \

     

       
27
       
32
       
 
       
      | xargs -I{} \

     
···

       
33
       
38
       
 
       
           --addnewprefix=b/${extraPrefix} \

     

       
34
       
39
       
 
       
        ''} \

     

       
35
       
40
       
 
       
        --clean "$out" > "$tmpfile"

     

       
41
       
41
       
+
       


     

       
36
       
42
       
 
       
    if [ ! -s "$tmpfile" ]; then

     

       
37
       
43
       
 
       
      echo "error: Normalized patch '$tmpfile' is empty (while the fetched file was not)!" 1>&2

     

       
38
       
44
       
 
       
      echo "Did you maybe fetch a HTML representation of a patch instead of a raw patch?" 1>&2

     
···

       
40
       
46
       
 
       
      cat "$out" 1>&2

     

       
41
       
47
       
 
       
      exit 1

     

       
42
       
48
       
 
       
    fi

     

       
49
       
49
       
+
       


     

       
43
       
50
       
 
       
    ${patchutils}/bin/filterdiff \

     

       
44
       
51
       
 
       
      -p1 \

     

       
45
       
52
       
 
       
      ${builtins.toString (builtins.map (x: "-x ${lib.escapeShellArg x}") excludes)} \

     
···

       
56
       
63
       
 
       
  '' + lib.optionalString revert ''

     

       
57
       
64
       
 
       
    ${patchutils}/bin/interdiff "$out" /dev/null > "$tmpfile"

     

       
58
       
65
       
 
       
    mv "$tmpfile" "$out"

     

       
59
       
59
       
-
       
  '' + (args.postFetch or "");

     

       
66
       
66
       
+
       
  '' + postFetch;

     

       
60
       
67
       
 
       
  meta.broken = excludes != [] && includes != [];

     

       
61
       
68
       
 
       
} // builtins.removeAttrs args ["stripLen" "extraPrefix" "excludes" "includes" "revert" "postFetch"])