blob: 0ec4c020e545449f6c105c40b940153f198b7f69 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
# Functions for copying sources to the Nix store.
let lib = import ./default.nix; in
rec {
# Returns the type of a path: regular (for file), symlink, or directory
pathType = p: with builtins; getAttr (baseNameOf p) (readDir (dirOf p));
# Returns true if the path exists and is a directory, false otherwise
pathIsDirectory = p: if builtins.pathExists p then (pathType p) == "directory" else false;
# Bring in a path as a source, filtering out all Subversion and CVS
# directories, as well as backup files (*~).
cleanSourceFilter = name: type: let baseName = baseNameOf (toString name); in ! (
# Filter out Subversion and CVS directories.
(type == "directory" && (baseName == ".git" || baseName == ".svn" || baseName == "CVS" || baseName == ".hg")) ||
# Filter out backup files.
lib.hasSuffix "~" baseName ||
builtins.match "^.*\.sw[a-z]$" baseName != null ||
# Filter out generates files.
lib.hasSuffix ".o" baseName ||
lib.hasSuffix ".so" baseName ||
# Filter out nix-build result symlinks
(type == "symlink" && lib.hasPrefix "result" baseName)
);
cleanSource = builtins.filterSource cleanSourceFilter;
# Filter sources by a list of regular expressions.
#
# E.g. `src = sourceByRegex ./my-subproject [".*\.py$" "^database.sql$"]`
sourceByRegex = src: regexes: builtins.filterSource (path: type:
let relPath = lib.removePrefix (toString src + "/") (toString path);
in lib.any (re: builtins.match re relPath != null) regexes) src;
# Get all files ending with the specified suffices from the given
# directory or its descendants. E.g. `sourceFilesBySuffices ./dir
# [".xml" ".c"]'.
sourceFilesBySuffices = path: exts:
let filter = name: type:
let base = baseNameOf (toString name);
in type == "directory" || lib.any (ext: lib.hasSuffix ext base) exts;
in builtins.filterSource filter path;
# Get the commit id of a git repo
# Example: commitIdFromGitRepo <nixpkgs/.git>
commitIdFromGitRepo =
let readCommitFromFile = path: file:
with builtins;
let fileName = toString path + "/" + file;
packedRefsName = toString path + "/packed-refs";
in if lib.pathExists fileName
then
let fileContent = lib.fileContents fileName;
# Sometimes git stores the commitId directly in the file but
# sometimes it stores something like: «ref: refs/heads/branch-name»
matchRef = match "^ref: (.*)$" fileContent;
in if isNull matchRef
then fileContent
else readCommitFromFile path (lib.head matchRef)
# Sometimes, the file isn't there at all and has been packed away in the
# packed-refs file, so we have to grep through it:
else if lib.pathExists packedRefsName
then
let fileContent = readFile packedRefsName;
matchRef = match (".*\n([^\n ]*) " + file + "\n.*") fileContent;
in if isNull matchRef
then throw ("Could not find " + file + " in " + packedRefsName)
else lib.head matchRef
else throw ("Not a .git directory: " + path);
in lib.flip readCommitFromFile "HEAD";
}
|
