pyrox.dev
touchosc: make updateScript more readable and robust
Changes:
* factor out different system attrs for nixeval function
* factor out narhash function
* avoid doing work if version has not actually changed
* better support running script directly instead of via
maintainers/scripts/update.nix
+26
-5
pkgs/applications/audio/touchosc/update.sh
+26
-5
pkgs/applications/audio/touchosc/update.sh
···
1
#!/usr/bin/env nix-shell
2
-
#!nix-shell -i bash -p nix curl libxml2 jq common-updater-scripts
3
4
set -euo pipefail
5
···
7
8
attr="${UPDATE_NIX_ATTR_PATH:-touchosc}"
9
version="$(curl -sSL https://hexler.net/touchosc/appcast/linux | xmllint --xpath '/rss/channel/item/enclosure/@*[local-name()="version"]' - | cut -d= -f2- | tr -d '"' | head -n1)"
10
11
findpath() {
12
path="$(nix --extra-experimental-features nix-command eval --json --impure -f "$nixpkgs" "$1.meta.position" | jq -r . | cut -d: -f1)"
···
19
echo "$path"
20
}
21
22
pkgpath="$(findpath "$attr")"
23
24
-
sed -i -e "/version\s*=/ s|\"$UPDATE_NIX_OLD_VERSION\"|\"$version\"|" "$pkgpath"
25
26
for system in aarch64-linux armv7l-linux x86_64-linux; do
27
-
url="$(nix --extra-experimental-features nix-command eval --json --impure --argstr system "$system" -f "$nixpkgs" "$attr".src.url | jq -r .)"
28
29
-
curhash="$(nix --extra-experimental-features nix-command eval --json --impure --argstr system "$system" -f "$nixpkgs" "$attr".src.outputHash | jq -r .)"
30
-
newhash="$(nix --extra-experimental-features nix-command store prefetch-file --json "$url" | jq -r .hash)"
31
32
sed -i -e "s|\"$curhash\"|\"$newhash\"|" "$pkgpath"
33
done
···
1
#!/usr/bin/env nix-shell
2
+
#!nix-shell -i bash -p nix curl libxml2 jq
3
4
set -euo pipefail
5
···
7
8
attr="${UPDATE_NIX_ATTR_PATH:-touchosc}"
9
version="$(curl -sSL https://hexler.net/touchosc/appcast/linux | xmllint --xpath '/rss/channel/item/enclosure/@*[local-name()="version"]' - | cut -d= -f2- | tr -d '"' | head -n1)"
10
+
11
+
narhash() {
12
+
nix --extra-experimental-features nix-command store prefetch-file --json "$url" | jq -r .hash
13
+
}
14
+
15
+
nixeval() {
16
+
if [ "$#" -ge 2 ]; then
17
+
systemargs=(--argstr system "$2")
18
+
else
19
+
systemargs=()
20
+
fi
21
+
22
+
nix --extra-experimental-features nix-command eval --json --impure "${systemargs[@]}" -f "$nixpkgs" "$1" | jq -r .
23
+
}
24
25
findpath() {
26
path="$(nix --extra-experimental-features nix-command eval --json --impure -f "$nixpkgs" "$1.meta.position" | jq -r . | cut -d: -f1)"
···
33
echo "$path"
34
}
35
36
+
oldversion="${UPDATE_NIX_OLD_VERSION:-$(nixeval "$attr".version)}"
37
+
38
pkgpath="$(findpath "$attr")"
39
40
+
if [ "$version" = "$oldversion" ]; then
41
+
echo 'update.sh: New version same as old version, nothing to do.'
42
+
exit 0
43
+
fi
44
+
45
+
sed -i -e "/version\s*=/ s|\"$oldversion\"|\"$version\"|" "$pkgpath"
46
47
for system in aarch64-linux armv7l-linux x86_64-linux; do
48
+
url="$(nixeval "$attr".src.url "$system")"
49
50
+
curhash="$(nixeval "$attr".src.outputHash "$system")"
51
+
newhash="$(narhash "$url")"
52
53
sed -i -e "s|\"$curhash\"|\"$newhash\"|" "$pkgpath"
54
done