mirror of
https://github.com/kmein/niveum
synced 2026-03-16 10:11:08 +01:00
Kierán Meinhardt
e67d6d7df2
Replace all ${pkg}/bin/name patterns with:
- lib.getExe pkg (for main executables: curl, jq, gnused, ffmpeg, etc.)
- lib.getExe' pkg "name" (for specific binaries: coreutils, util-linux, etc.)
85 lines
2.2 KiB
Nix
85 lines
2.2 KiB
Nix
# Generate a Haddock index page for all packages visible to the current GHC
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{
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lib,
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writers,
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coreutils,
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gnugrep,
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gnused,
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graphviz,
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}:
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writers.writeBashBin "nix-haddock-index" ''
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set -efux
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if test -z "''${NIX_GHC-}"; then
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NIX_GHC=$(${lib.getExe' coreutils "readlink"} -f "$(type -P ghc)")
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fi
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if ! echo $NIX_GHC | ${lib.getExe gnugrep} -q '^/nix/store/'; then
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printf '%s: error: unsupported GHC executable path (not in Nix store): %q\n' \
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"$0" \
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"$NIX_GHC" \
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>&2
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exit 1
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fi
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NIX_GHC_PREFIX=$(${lib.getExe' coreutils "dirname"} "$(${lib.getExe' coreutils "dirname"} "$NIX_GHC")")
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NIX_GHC_DOCDIR=$NIX_GHC_PREFIX/share/doc/ghc/html
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main() {
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hash=$(echo $NIX_GHC_PREFIX | ${lib.getExe gnused} -n 's|^/nix/store/\([a-z0-9]\+\).*|\1|p')
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title="Haddock index for $NIX_GHC_PREFIX"
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header=$(
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printf 'Haddock index for <a href="%s">%s</a>\n' \
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$NIX_GHC_PREFIX \
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$NIX_GHC_PREFIX \
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)
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suffix=''${hash:+-$hash}
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index_file=/tmp/haddock$suffix-index.html
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svg_file=/tmp/haddock$suffix.svg
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eval "$(
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echo 'gen_index() {'
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echo ' html_head'
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"$NIX_GHC_PREFIX"/bin/ghc-pkg dump | ${lib.getExe gnused} -n '
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s/^---$/ reset/p
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s/^\(name\|version\):\s*\([-A-Za-z0-9_.]\+\)$/ \1=\2/p
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s/^haddock-html:\s*\([-A-Za-z0-9_./]\+\)$/ haddock_html \1/p
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'
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echo ' html_foot'
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echo '}'
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)"
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gen_index > $index_file
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"$NIX_GHC_PREFIX"/bin/ghc-pkg dot | ${lib.getExe' graphviz "tred"} | ${lib.getExe' graphviz "dot"} -Tsvg | ${lib.getExe gnused} '
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s/<svg width="[0-9]\+pt" height="[0-9]\+pt"/<svg width="3600px" height="100%"/
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' > $svg_file
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echo $index_file
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}
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reset() {
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unset name version
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}
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haddock_html() {
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printf '<li>'
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printf '<a href="%s/index.html">%s</a>' "$1" "$name-$version"
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printf '</li>\n'
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}
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html_head() {
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printf '<!doctype html>\n'
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printf '<title>%s</title>\n' "$title"
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printf '<link href="%s" rel="stylesheet" type="text/css">\n' \
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"$NIX_GHC_DOCDIR/libraries/ocean.css"
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printf '<h1>%s</h1>\n' "$header"
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printf '<ul>\n'
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}
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html_foot() {
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printf '</ul>\n'
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printf '<a href="%s">graph</a>\n' "$svg_file"
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}
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main "$@"
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''
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