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@nico202
Created February 21, 2018 10:50
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julia packages -> nixpkgs
wd='julia-nix-workdir'
mkdir -p $wd
cd $wd
git clone --depth=1 git@github.com:JuliaLang/METADATA.jl.git
while read url; do
git clone --depth=1 $url
done < $(find ./METADATA.jl/ -name url -exec cat '{}' \; -exec echo \; |sort -u)
# https://stackoverflow.com/questions/46364922/how-to-parse-multiline-string-in-julia
function parseall(str)
pos = start(str)
exs = []
while !done(str, pos)
ex, pos = parse(str, pos) # returns next starting point as well as expr
ex.head == :toplevel ? append!(exs, ex.args) : push!(exs, ex) #see comments for info
end
if length(exs) == 0
throw(ParseError("end of input"))
elseif length(exs) == 1
return exs[1]
else
return Expr(:block, exs...) # convert the array of expressions
# back to a single expression
end
end
# Meta.show_sexpr(expr)
parseallfile(file) = parseall(readstring(file))
findfunc(any, func::Symbol) = false
function findfunc(s::Symbol, func::Symbol)
if s == func
return true
end
false
end
function findfunc(expr::Expr, func::Symbol)
for exp in expr.args
if findfunc(exp, func)
println(expr.args[2]) # better to get aliases
end
end
false
end
#example: parse_build.sh "/tmp/julia-nix-workdir/Gtk.jl/deps/build.jl"
julia -e "include(\"/tmp/parseall.jl\"); findfunc(parseallfile(\"$1\"),:library_dependency)"
#example result:
# glib gobject gtk gdk gdk_pixbuf gio
# This can be passed to `nix-locate` or something
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