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|
" usage example:
"
" call nix#ExportPluginsForNix({'path_to_nixpkgs': '/etc/nixos/nixpkgs', 'names': ["vim-addon-manager", "vim-addon-nix"], 'cache_file': 'cache'})
let s:plugin_root = expand('<sfile>:h:h')
fun! nix#ToNixAttrName(s) abort
return nix#ToNixName(a:s)
endf
fun! nix#ToNixName(s) abort
return substitute(substitute(a:s, '[:/.]', '-', 'g'), 'github-', '', 'g')
endf
fun! s:System(...)
let args = a:000
let r = call('vam#utils#System', args)
if r is 0
throw "command ".join(args, '').' failed'
else
return r
endif
endf
fun! nix#DependenciesFromCheckout(opts, name, repository, dir)
" check for dependencies
" vam#PluginDirFromName(a:name)
let info = vam#ReadAddonInfo(vam#AddonInfoFile(a:dir, a:name))
return keys(get(info, 'dependencies', {}))
endf
" without deps
fun! nix#NixDerivation(opts, name, repository) abort
let n_a_name = nix#ToNixAttrName(a:name)
let n_n_name = nix#ToNixName(a:name)
let type = get(a:repository, 'type', '')
let created_notice = " # created by nix#NixDerivation"
let ancf = s:plugin_root.'/additional-nix-code/'.a:name
let additional_nix_code = file_readable(ancf) ? join(readfile(ancf), "\n") : ""
if type == 'git'
" should be using shell abstraction ..
echo 'fetching '. a:repository.url
let s = s:System('$ --fetch-submodules $ 2>&1',a:opts.nix_prefetch_git, a:repository.url)
let rev = matchstr(s, 'git revision is \zs[^\n\r]\+\ze')
let sha256 = matchstr(s, 'hash is \zs[^\n\r]\+\ze')
let dir = matchstr(s, 'path is \zs[^\n\r]\+\ze')
let date = matchstr(s, 'Commit date is \zs[0-9-]\+\ze')
let dependencies = nix#DependenciesFromCheckout(a:opts, a:name, a:repository, dir)
return {'n_a_name': n_a_name, 'n_n_name': n_n_name, 'dependencies': dependencies, 'derivation': join([
\ ' '.n_a_name.' = buildVimPlugin {'.created_notice,
\ ' name = "'.n_n_name.'-'.date.'";',
\ ' src = fetchgit {',
\ ' url = "'. a:repository.url .'";',
\ ' rev = "'.rev.'";',
\ ' sha256 = "'.sha256.'";',
\ ' };',
\ ' dependencies = ['.join(map(copy(dependencies), "'\"'.nix#ToNixAttrName(v:val).'\"'")).'];',
\ additional_nix_code,
\ ' };',
\ '',
\ '',
\ ], "\n")}
elseif type == 'hg'
" should be using shell abstraction ..
echo 'fetching '. a:repository.url
let s = s:System('$ $ 2>&1',a:opts.nix_prefetch_hg, a:repository.url)
let rev = matchstr(s, 'hg revision is \zs[^\n\r]\+\ze')
let sha256 = matchstr(s, 'hash is \zs[^\n\r]\+\ze')
let dir = matchstr(s, 'path is \zs[^\n\r]\+\ze')
let dependencies = nix#DependenciesFromCheckout(a:opts, a:name, a:repository, dir)
return {'n_a_name': n_a_name, 'n_n_name': n_n_name, 'dependencies': dependencies, 'derivation': join([
\ ' '.n_a_name.' = buildVimPlugin {'.created_notice,
\ ' name = "'.n_n_name.'";',
\ ' src = fetchhg {',
\ ' url = "'. a:repository.url .'";',
\ ' rev = "'.rev.'";',
\ ' sha256 = "'.sha256.'";',
\ ' };',
\ ' dependencies = ['.join(map(copy(dependencies), "'\"'.nix#ToNixAttrName(v:val).'\"'")).'];',
\ additional_nix_code,
\ ' };',
\ '',
\ '',
\ ], "\n")}
elseif type == 'archive'
let sha256 = split(s:System('nix-prefetch-url $ 2>/dev/null', a:repository.url), "\n")[0]
" we should unpack the sources, look for the addon-info.json file ..
" however most packages who have the addon-info.json file also are on
" github thus will be of type "git" instead. The dependency information
" from vim-pi is encoded in the reposiotry. Thus this is likely to do the
" right thing most of the time.
let addon_info = get(a:repository, 'addon-info', {})
let dependencies = keys(get(addon_info, 'dependencies', {}))
return {'n_a_name': n_a_name, 'n_n_name': n_n_name, 'dependencies': dependencies, 'derivation': join([
\ ' '.n_a_name.' = buildVimPlugin {'.created_notice,
\ ' name = "'.n_n_name.'";',
\ ' src = fetchurl {',
\ ' url = "'. a:repository.url .'";',
\ ' name = "'. a:repository.archive_name .'";',
\ ' sha256 = "'.sha256.'";',
\ ' };',
\ ' buildInputs = [ unzip ];',
\ ' dependencies = ['.join(map(copy(dependencies), "'\"'.nix#ToNixAttrName(v:val).'\"'")).'];',
\ ' meta = {',
\ ' homepage = "http://www.vim.org/scripts/script.php?script_id='.a:repository.vim_script_nr.'";',
\ ' };',
\ addon_info == {} ? '' : (' addon_info = '.nix#ToNix(string(addon_info), [], "").';'),
\ additional_nix_code,
\ ' };',
\ '',
\ '',
\ ], "\n")}
else
throw a:name.' TODO: implement source '.string(a:repository)
endif
endf
" also tries to handle dependencies
fun! nix#AddNixDerivation(opts, cache, name, ...) abort
if has_key(a:cache, a:name) | return | endif
let repository = a:0 > 0 ? a:1 : {}
let name = a:name
if repository == {}
call vam#install#LoadPool()
let list = matchlist(a:name, 'github:\([^/]*\)\%(\/\(.*\)\)\?$')
if len(list) > 0
if '' != list[2]
let name = list[2]
let repository = { 'type': 'git', 'owner': list[1], 'repo': list[2], 'url': 'https://github.com/'.list[1].'/'.list[2] }
else
let name = list[1]
let repository = { 'type': 'git', 'owner': list[1], 'repo': 'vim-addon-'.list[1], 'url': 'https://github.com/'.list[1].'/vim-addon-'.list[1] }
endif
else
let repository = get(g:vim_addon_manager.plugin_sources, a:name, {})
if repository == {}
throw "repository ".a:name." unkown!"
else
if repository.url =~ 'github'
let owner = matchstr(repository.url, 'github.com/\zs.\+\ze/')
let repo = matchstr(repository.url, '\/\zs[^\/]\+\ze$')
let url = repository.url
let repository = { 'type': 'git', 'owner': owner, 'repo': repo, 'url': url }
endif
endif
endif
endif
let a:cache[a:name] = nix#NixDerivation(a:opts, name, repository)
" take known dependencies into account:
let deps = get(a:cache[a:name], 'dependencies', [])
call extend(a:opts.names_to_process, deps)
call extend(a:opts.names_to_export, deps)
endfun
fun! nix#TopNixOptsByParent(parents)
if (a:parents == [])
return {'ind': ' ', 'next_ind': ' ', 'sep': "\n"}
else
return {'ind': '', 'next_ind': '', 'sep': ' '}
endif
endf
fun! nix#ToNix(x, parents, opts_fun) abort
let opts = a:opts_fun == "" ? "" : call(a:opts_fun, [a:parents])
let next_parents = [a:x] + a:parents
let seps = a:0 > 1 ? a:2 : []
let ind = get(opts, 'ind', '')
let next_ind = get(opts, 'next_ind', ind.' ')
let sep = get(opts, 'sep', ind.' ')
if type(a:x) == type("")
return "''". substitute(a:x, '[$]', '$$', 'g')."''"
elseif type(a:x) == type({})
let s = ind."{".sep
for [k,v] in items(a:x)
let s .= '"'.k.'" = '.nix#ToNix(v, next_parents, a:opts_fun).";".sep
unlet k v
endfor
return s.ind."}"
" let s = ind."{\n"
" for [k,v] in items(a:x)
" let s .= next_ind . nix#ToNix(k).' = '.nix#ToNix(v, next_ind)."\n"
" unlet k v
" endfor
" return s.ind."}\n"
elseif type(a:x) == type([])
let s = ind."[".sep
for v in a:x
let s .= next_ind . nix#ToNix(v, next_parents, a:opts_fun)."".sep
unlet v
endfor
return s.ind."]"
endif
endf
" with dependencies
" opts.cache_file (caches the checkout and dependency information
" opts.path_to_nixpkgs or opts.nix_prefetch_{git,hg}
" opts.plugin_dictionaries: list of any
" - string
" - dictionary having key name or names
" This is so that plugin script files can be loaded/ merged
fun! nix#ExportPluginsForNix(opts) abort
let cache_file = get(a:opts, 'cache_file', '')
let opts = a:opts
" set nix_prefetch_* scripts
for scm in ['git', 'hg']
if !has_key(opts, 'nix_prefetch_'.scm)
let opts['nix_prefetch_'.scm] = a:opts.path_to_nixpkgs.'/pkgs/build-support/fetch'.scm.'/nix-prefetch-'.scm
endif
endfor
" create list of names from dictionaries
let a:opts.names_to_process = []
for x in a:opts.plugin_dictionaries
if type(x) == type('')
call add(opts.names_to_process, x)
elseif type(x) == type({}) && has_key(x, 'name')
call add(opts.names_to_process, x.name)
elseif type(x) == type({}) && has_key(x, 'names')
call extend(opts.names_to_process, x.names)
else
throw "unexpected"
endif
unlet x
endfor
let a:opts.names_to_export = a:opts.names_to_process
let cache = (cache_file == '' || !filereadable(cache_file)) ? {} : eval(readfile(cache_file)[0])
let failed = {}
while len(opts.names_to_process) > 0
let name = opts.names_to_process[0]
if get(opts, 'try_catch', 1)
try
call nix#AddNixDerivation(opts, cache, name)
catch /.*/
echom 'failed : '.name.' '.v:exception
let failed[name] = v:exception
endtry
else
call nix#AddNixDerivation(opts, cache, name)
endif
let opts.names_to_process = opts.names_to_process[1:]
endwhile
echom join(keys(failed), ", ")
echom string(failed)
if cache_file != ''
call writefile([string(cache)], cache_file)
endif
enew
let uniq = {}
for x in a:opts.names_to_export
let uniq[x] = 1
endfor
for k in sort(keys(uniq))
call append('$', split(cache[k].derivation,"\n"))
endfor
" for VAM users output vam.pluginDictionaries which can be fed to
" vim_customizable.customize.vimrc.vam.pluginDictionaries
call append('$', ["", "", "", '# vam.pluginDictionaries'])
let ns = []
for x in a:opts.plugin_dictionaries
if type(x) == type("")
call add(ns, nix#ToNixAttrName(x))
elseif type(x) == type({})
if has_key(x, 'name')
call add(ns, extend({'name': nix#ToNixAttrName(x.name)}, x, "keep"))
elseif has_key(x, 'names')
call add(ns, extend({'names': map(copy(x.names), 'nix#ToNixAttrName(v:val)')}, x, "keep"))
else
throw "unexpected"
endif
else
throw "unexpected"
endif
unlet x
endfor
call append('$', split(nix#ToNix(ns, [], 'nix#TopNixOptsByParent'), "\n"))
" failures:
for [k,v] in items(failed)
call append('$', ['# '.k.', failure: '.v])
unlet k v
endfor
endf
|