blob: a1f4461886ec4b6ea81c157240c6c4c35398002b (
plain)
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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
{ config, lib, ... }:
with config.krebs.lib;
let
out = {
# TODO deprecate krebs.build.host
options.krebs.build.host = mkOption {
type = types.host;
};
# TODO make krebs.build.profile shell safe
options.krebs.build.profile = mkOption {
type = types.str;
default = "/nix/var/nix/profiles/system";
};
# TODO deprecate krebs.build.user
options.krebs.build.user = mkOption {
type = types.user;
};
options.krebs.build.source = let
raw = types.either types.str types.path;
url = types.submodule {
options = {
url = mkOption {
type = types.str;
};
rev = mkOption {
type = types.str;
};
dev = mkOption {
type = types.str;
};
};
};
in mkOption {
type = types.attrsOf (types.either types.str url);
apply = let f = mapAttrs (_: value: {
string = value;
path = toString value;
set = f value;
}.${typeOf value}); in f;
default = {};
};
options.krebs.build.populate = mkOption {
type = types.str;
default = let
source = config.krebs.build.source;
target-user = maybeEnv "target_user" "root";
target-host = maybeEnv "target_host" config.krebs.build.host.name;
target-port = maybeEnv "target_port" "22";
target-path = maybeEnv "target_path" "/var/src";
out = ''
#! /bin/sh
set -eu
verbose() {
printf '+%s\n' "$(printf ' %q' "$@")" >&2
"$@"
}
echo ${shell.escape git-script} \
| ssh -p ${shell.escape target-port} \
${shell.escape "${target-user}@${target-host}"} -T
unset tmpdir
trap '
rm -f "$tmpdir"/*
rmdir "$tmpdir"
trap - EXIT INT QUIT
' EXIT INT QUIT
tmpdir=$(mktemp -dt stockholm.XXXXXXXX)
chmod 0755 "$tmpdir"
${concatStringsSep "\n"
(mapAttrsToList
(name: spec: let dst = removePrefix "symlink:" (get-url spec); in
"verbose ln -s ${shell.escape dst} $tmpdir/${shell.escape name}")
symlink-specs)}
verbose proot \
-b $tmpdir:${shell.escape target-path} \
${concatStringsSep " \\\n "
(mapAttrsToList
(name: spec:
"-b ${shell.escape "${get-url spec}:${target-path}/${name}"}")
file-specs)} \
rsync \
-f ${shell.escape "P /*"} \
${concatMapStringsSep " \\\n "
(name: "-f ${shell.escape "R /${name}"}")
(attrNames file-specs)} \
--delete \
-vFrlptD \
-e ${shell.escape "ssh -p ${target-port}"} \
${shell.escape target-path}/ \
${shell.escape "${target-user}@${target-host}:${target-path}"}
'';
get-schema = uri:
if substring 0 1 uri == "/"
then "file"
else head (splitString ":" uri);
has-schema = schema: uri: get-schema uri == schema;
get-url = spec: {
string = spec;
path = toString spec;
set = get-url spec.url;
}.${typeOf spec};
git-specs =
filterAttrs (_: spec: has-schema "https" (get-url spec)) source //
filterAttrs (_: spec: has-schema "http" (get-url spec)) source //
filterAttrs (_: spec: has-schema "git" (get-url spec)) source;
file-specs =
filterAttrs (_: spec: has-schema "file" (get-url spec)) source;
symlink-specs =
filterAttrs (_: spec: has-schema "symlink" (get-url spec)) source;
git-script = ''
#! /bin/sh
set -efu
verbose() {
printf '+%s\n' "$(printf ' %q' "$@")" >&2
"$@"
}
fetch_git() {(
dst_dir=$1
src_url=$2
src_ref=$3
if ! test -e "$dst_dir"; then
git clone "$src_url" "$dst_dir"
fi
cd "$dst_dir"
if ! url=$(git config remote.origin.url); then
git remote add origin "$src_url"
elif test "$url" != "$src_url"; then
git remote set-url origin "$src_url"
fi
# TODO resolve src_ref to commit hash
hash=$src_ref
if ! test "$(git log --format=%H -1)" = "$hash"; then
git fetch origin
git checkout "$hash" -- "$dst_dir"
git checkout "$hash"
fi
git clean -dxf
)}
${concatStringsSep "\n"
(mapAttrsToList
(name: spec: toString (map shell.escape [
"verbose"
"fetch_git"
"${target-path}/${name}"
spec.url
spec.rev
]))
git-specs)}
'';
in out;
};
};
in out
|
