pyrox.dev
lol
1#!/usr/bin/env nix-shell
2#! nix-shell -i bash -p curl jq git gnused gnugrep
3
4
5# executing this script without arguments will
6# - find the newest stable spotify version avaiable on snapcraft (https://snapcraft.io/spotify)
7# - read the current spotify version from the current nix expression
8# - update the nix expression if the versions differ
9# - try to build the updated version, exit if that fails
10# - give instructions for upstreaming
11
12# Please test the update manually before pushing. There have been errors before
13# and because the service is proprietary and a paid account is necessary to do
14# anything with spotify automatic testing is not possible.
15
16# As an optional argument you can specify the snapcraft channel to update to.
17# Default is `stable` and only stable updates should be pushed to nixpkgs. For
18# testing you may specify `candidate` or `edge`.
19
20
21channel="${1:-stable}" # stable/candidate/edge
22nixpkgs="$(git rev-parse --show-toplevel)"
23spotify_nix="$nixpkgs/pkgs/applications/audio/spotify/default.nix"
24
25
26#
27# find the newest stable spotify version avaiable on snapcraft
28#
29
30# create bash array from snap info
31snap_info=($(
32 curl -s -H 'X-Ubuntu-Series: 16' \
33 "https://api.snapcraft.io/api/v1/snaps/details/spotify?channel=$channel" \
34 | jq --raw-output \
35 '.revision,.download_sha512,.version,.last_updated'
36))
37
38# "revision" is the actual version identifier on snapcraft, the "version" is
39# just for human consumption. Revision is just an integer that gets increased
40# by one every (stable or unstable) release.
41revision="${snap_info[0]}"
42sha512="${snap_info[1]}"
43upstream_version="${snap_info[2]}"
44last_updated="${snap_info[3]}"
45
46echo "Latest $channel release is $upstream_version from $last_updated."
47
48#
49# read the current spotify version from the currently *committed* nix expression
50#
51
52current_nix_version=$(
53 grep 'version\s*=' "$spotify_nix" \
54 | sed -Ene 's/.*"(.*)".*/\1/p'
55)
56
57echo "Current nix version: $current_nix_version"
58
59#
60# update the nix expression if the versions differ
61#
62
63if [[ "$current_nix_version" = "$upstream_version" ]]; then
64 echo "Spotify is already up-to-date"
65 exit 0
66fi
67
68echo "Updating from ${current_nix_version} to ${upstream_version}, released on ${last_updated}"
69
70# search-and-replace revision, hash and version
71sed --regexp-extended \
72 -e 's/rev\s*=\s*"[0-9]+"\s*;/rev = "'"${revision}"'";/' \
73 -e 's/sha512\s*=\s*"[^"]*"\s*;/sha512 = "'"${sha512}"'";/' \
74 -e 's/version\s*=\s*".*"\s*;/version = "'"${upstream_version}"'";/' \
75 -i "$spotify_nix"
76
77#
78# try to build the updated version
79#
80
81if ! nix-build -A spotify "$nixpkgs"; then
82 echo "The updated spotify failed to build."
83 exit 1
84fi
85
86# Commit changes
87git add "$spotify_nix"
88git commit -m "spotify: ${current_nix_version} -> ${upstream_version}"