pkgs/by-name/tr/tradingview/update.sh

   1 #!/usr/bin/env nix-shell
   2 #! nix-shell -i bash -p curl jq git gnused gnugrep
   3
   4 #
   5 # Get latest version of TradingView from Snapcraft.
   6 #
   7
   8 snap_info=($(
   9   curl -s -H 'X-Ubuntu-Series: 16' \
  10     'https://api.snapcraft.io/api/v1/snaps/details/tradingview' \
  11   | jq --raw-output \
  12     '.revision,.download_sha512,.version,.last_updated'
  13 ))
  14
  15 # "revision" is the actual version identifier; "version" is for human consumption.
  16 revision="${snap_info[0]}"
  17 sha512="${snap_info[1]}"
  18 sri=$(nix hash to-sri --type "sha512" $sha512)
  19 upstream_version="${snap_info[2]}"
  20 last_updated="${snap_info[3]}"
  21
  22 echo "Latest release is $upstream_version from $last_updated."
  23
  24 #
  25 # Read the current TradingView version.
  26 #
  27
  28 nixpkgs="$(git rev-parse --show-toplevel)"
  29 tradingview_nix="$nixpkgs/pkgs/applications/finance/tradingview/default.nix"
  30 current_nix_version=$(
  31   grep 'version\s*=' "$tradingview_nix" \
  32   | sed -Ene 's/.*"(.*)".*/\1/p'
  33 )
  34
  35 echo "Current nix version: $current_nix_version"
  36
  37 if [[ "$current_nix_version" = "$upstream_version" ]]; then
  38   echo "TradingView is already up-to-date"
  39   exit 0
  40 fi
  41
  42 #
  43 # Find and replace.
  44 #
  45
  46 echo "Updating from ${current_nix_version} to ${upstream_version}, released ${last_updated}"
  47
  48 sed --regexp-extended \
  49   -e 's/revision\s*=\s*"[0-9]+"\s*;/revision = "'"${revision}"'";/' \
  50   -e 's/hash\s*=\s*"[^"]*"\s*;/hash = "'"${sri}"'";/' \
  51   -e 's/version\s*=\s*".*"\s*;/version = "'"${upstream_version}"'";/' \
  52   -i "$tradingview_nix"
  53
  54 #
  55 # Attempt a build.
  56 #
  57
  58 export NIXPKGS_ALLOW_UNFREE=1
  59
  60 if ! nix-build -A tradingview "$nixpkgs"; then
  61   echo "The updated TradingView failed to build."
  62   exit 1
  63 fi
  64
  65 #
  66 # Commit changes.
  67 #
  68 git add "$tradingview_nix"
  69 git commit -m "tradingview: ${current_nix_version} -> ${upstream_version}"
  70