pyrox.dev
gn: get revNum and revShort in src's postFetch
Signed-off-by: Marcin Serwin <marcin@serwin.dev>
+27
-24
pkgs/by-name/gn/gn/package.nix
+27
-24
pkgs/by-name/gn/gn/package.nix
···
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lib,
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fetchgit,
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cctools,
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writeText,
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ninja,
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python3,
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}:
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let
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# Note: Please use the recommended version for Chromium stable, i.e. from
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# <nixpkgs>/pkgs/applications/networking/browsers/chromium/info.json
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rev = "85cc21e94af590a267c1c7a47020d9b420f8a033";
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revNum = "2233"; # git describe $rev --match initial-commit | cut -d- -f3
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version = "2025-04-28";
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sha256 = "sha256-+nKP2hBUKIqdNfDz1vGggXSdCuttOt0GwyGUQ3Z1ZHI=";
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revShort = builtins.substring 0 7 rev;
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lastCommitPosition = writeText "last_commit_position.h" ''
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#ifndef OUT_LAST_COMMIT_POSITION_H_
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#define OUT_LAST_COMMIT_POSITION_H_
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#define LAST_COMMIT_POSITION_NUM ${revNum}
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#define LAST_COMMIT_POSITION "${revNum} (${revShort})"
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#endif // OUT_LAST_COMMIT_POSITION_H_
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'';
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in
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stdenv.mkDerivation {
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pname = "gn-unstable";
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inherit version;
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version = "2025-04-28";
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src = fetchgit {
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# Note: The TAR-Archives (+archive/${rev}.tar.gz) are not deterministic!
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url = "https://gn.googlesource.com/gn";
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inherit rev sha256;
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# Note: Please use the recommended version for Chromium stable, i.e. from
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# <nixpkgs>/pkgs/applications/networking/browsers/chromium/info.json
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rev = "85cc21e94af590a267c1c7a47020d9b420f8a033";
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hash = "sha256-SYpWYvGGNLMZPR1LdKKgubbv+4QcxRw8EYp7cNI5wQQ=";
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leaveDotGit = true;
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deepClone = true;
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postFetch = ''
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cd "$out"
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mkdir .nix-files
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git rev-parse --short=12 HEAD > .nix-files/REV_SHORT
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git describe --match initial-commit | cut -d- -f3 > .nix-files/REV_NUM
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find "$out" -name .git -print0 | xargs -0 rm -rf
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'';
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};
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nativeBuildInputs = [
···
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# cc1plus: error: '-Wformat-security' ignored without '-Wformat' [-Werror=format-security]
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hardeningDisable = [ "format" ];
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configurePhase = ''
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python build/gen.py --no-last-commit-position
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cat > out/last_commit_position.h << EOF
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#ifndef OUT_LAST_COMMIT_POSITION_H_
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#define OUT_LAST_COMMIT_POSITION_H_
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+
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#define LAST_COMMIT_POSITION_NUM $(<.nix-files/REV_NUM)
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#define LAST_COMMIT_POSITION "$(<.nix-files/REV_NUM) ($(<.nix-files/REV_SHORT))"
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#endif // OUT_LAST_COMMIT_POSITION_H_
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EOF
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'';
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buildPhase = ''
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python build/gen.py --no-last-commit-position
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ln -s ${lastCommitPosition} out/last_commit_position.h
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ninja -j $NIX_BUILD_CORES -C out gn
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'';
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