blob: 8e4f4490e7b431957f57f03a1de327453f4cf00d (
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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
#! /bin/sh
set -x
own_dir="$(cd "$(dirname "$0")"; sh -c pwd)"
source "$own_dir/snippets.sh"
[ -z "$1" ] && {
echo "Specify main expression filename."
exit 1;
}
main_file="$1"
main_dir="$(cd "$(dirname "$main_file")" ; sh -c pwd)"
file_name="$(basename "$main_file")"
defs_file="$main_dir"/src-info-for-"$file_name"
src_file="$main_dir"/src-for-"$file_name"
# OK, [vcs] revert is always possible
new_src_file="$main_dir"/src-for-"$file_name"
forcedUrl="$2"
defs_dir="$("$own_dir"/attrset-to-dir.sh "$defs_file")"
src_defs_dir="$("$own_dir"/attrset-to-dir.sh "$src_file")"
getAttr () {
file="$defs_dir"/"$1"
data="$( ( [ -f "$file" ] && cat "$file" ) || echo "$2" )"
echo "attribute $1 obtained as: [[$data]]" >&2
echo "$data"
}
method="$(getAttr method fetchurl)"
baseName="$(getAttr baseName 'unnamed-package')"
commonPrefetchVars=" version name hash"
prefetchClause=""
[ fetchSF = "$method" ] && {
if [ -z "$forcedUrl" ]; then
freshUrl="$("$own_dir"/urls-from-page.sh "$(getAttr downloadPage)" |
eval "egrep \"$(getAttr sourceRegexp '.*[.]tar[.].*|.*[.]tgz$|.*[.]tbz2$')\"" |
eval "egrep -v \"$(getAttr blacklistRegexp '^$')\"" |
eval "$(getAttr choiceCommand 'head -1')")"
if ! egrep ':' <<< "$freshUrl" ; then
freshUrl="$(dirname "$(getAttr downloadPage).")/$freshUrl"
fi
echo "Found download link: $freshUrl" >&2
else
freshUrl="$forcedUrl"
fi
freshUrl="$(echo "$freshUrl" | sed -re "$skipRedirectSF")"
echo "Sourceforge-corrected URL: $freshUrl" >&2
version="$(echo "$freshUrl" |
sed -re "$(getAttr versionExtractorSedScript "$extractVersionSF")")"
baseName="$(getAttr baseName "$(echo "$freshUrl" | sed -re 's@.*/project/([^/]+)/.*@\1@')")"
url="$freshUrl"
name="$baseName-$version"
advertisedUrl="$freshUrl"
if [ x"$freshUrl" = x"$(cat "$src_defs_dir"/advertisedUrl)" ]; then
echo "Source link not changed" >&2
exit
fi
hash=$(nix-prefetch-url "$freshUrl")
prefetchVars="url advertisedUrl";
}
[ fetchurl = "$method" ] && {
if [ -z "$forcedUrl" ] ; then
freshUrl="$("$own_dir"/urls-from-page.sh "$(getAttr downloadPage)" |
eval "egrep \"$(getAttr sourceRegexp '.*[.]tar[.].*|.*[.]tgz$|.*[.]tbz2$')\"" |
eval "egrep -v \"$(getAttr blacklistRegexp '^$')\"" |
eval "$(getAttr choiceCommand 'head -1')")"
if ! egrep ':' <<< "$freshUrl" ; then
freshUrl="$(dirname "$(getAttr downloadPage).")/$freshUrl"
fi
echo "Found download link: $freshUrl" >&2
else
freshUrl="$forcedUrl"
fi
version="$(echo "$freshUrl" |
eval "sed -re \"$(getAttr versionExtractorSedScript \
's/.*-([0-9.]+)[.].*/\1/')\"")"
mirrorUrl="$(echo "$freshUrl" |
eval "sed -r -e \"$(getAttr versionReferenceCreator \
's/-'"${version}"'[.]/-\${version}./')\"" |
eval "sed -r -e \"$(getAttr mirrorSedScript)\"")"
url="$mirrorUrl"
name="$baseName-$version"
advertisedUrl="$freshUrl"
url="$mirrorUrl"
if [ x"$freshUrl" = x"$(cat "$src_defs_dir"/advertisedUrl)" ]; then
echo "Source link not changed" >&2
exit
fi
hash=$(nix-prefetch-url "$freshUrl")
prefetchVars="url advertisedUrl";
}
[ "fetchgit" = "$method" ] && {
repoUrl="$(getAttr repoUrl)"
export NIX_PREFETCH_GIT_CHECKOUT_HOOK="
cat .git/HEAD
"
export NIX_HASH_ALGO=sha256
rev="$(getAttr rev '')";
rev_and_hash="$("$own_dir"/../fetchgit/nix-prefetch-git "$repoUrl" "$rev" | tee /dev/stderr | tail -2)"
rev="$(echo "$rev_and_hash" | head -1)"
url="$repoUrl";
hash="$(echo "$rev_and_hash" | tail -1)"
version="$rev"
name="$baseName-$version"
prefetchVars="rev url";
}
prefetchAssignments="";
for i in $commonPrefetchVars $prefetchVars; do
prefetchAssignments="$prefetchAssignments $i=\"$(eval echo \"\$$i\")\";$(echo -e '\n ')"
done;
extraAssignments=""
for i in $(getAttr extraVars ''); do
eval "$(getAttr "eval_$i" 'i=""')"
extraAssignments="$extraAssignments $i=\"$(eval echo \"\$$i\")\";$(echo -e '\n ')"
done
cat << EOF > "$new_src_file"
rec {
$prefetchAssignments
$extraAssignments
}
EOF
|
