1
0
Fork 0
mirror of synced 2024-11-30 04:35:35 -05:00
ultimate-vim/sources_non_forked/vim-go/plugin/go.vim
2015-07-13 11:22:46 +01:00

138 lines
4 KiB
VimL

" install necessary Go tools
if exists("g:go_loaded_install")
finish
endif
let g:go_loaded_install = 1
" these packages are used by vim-go and can be automatically installed if
" needed by the user with GoInstallBinaries
let s:packages = [
\ "github.com/nsf/gocode",
\ "golang.org/x/tools/cmd/goimports",
\ "github.com/rogpeppe/godef",
\ "golang.org/x/tools/cmd/oracle",
\ "golang.org/x/tools/cmd/gorename",
\ "github.com/golang/lint/golint",
\ "github.com/kisielk/errcheck",
\ "github.com/jstemmer/gotags",
\ ]
" These commands are available on any filetypes
command! GoInstallBinaries call s:GoInstallBinaries(-1)
command! GoUpdateBinaries call s:GoInstallBinaries(1)
command! -nargs=? -complete=dir GoPath call go#path#GoPath(<f-args>)
" GoInstallBinaries downloads and install all necessary binaries stated in the
" packages variable. It uses by default $GOBIN or $GOPATH/bin as the binary
" target install directory. GoInstallBinaries doesn't install binaries if they
" exist, to update current binaries pass 1 to the argument.
function! s:GoInstallBinaries(updateBinaries)
if $GOPATH == ""
echohl Error
echomsg "vim.go: $GOPATH is not set"
echohl None
return
endif
let err = s:CheckBinaries()
if err != 0
return
endif
let go_bin_path = go#path#BinPath()
" change $GOBIN so go get can automatically install to it
let $GOBIN = go_bin_path
" old_path is used to restore users own path
let old_path = $PATH
" vim's executable path is looking in PATH so add our go_bin path to it
let $PATH = $PATH . go#util#PathListSep() .go_bin_path
" when shellslash is set on MS-* systems, shellescape puts single quotes
" around the output string. cmd on Windows does not handle single quotes
" correctly. Unsetting shellslash forces shellescape to use double quotes
" instead.
let resetshellslash = 0
if has('win32') && &shellslash
let resetshellslash = 1
set noshellslash
endif
let cmd = "go get -u -v "
let s:go_version = matchstr(system("go version"), '\d.\d.\d')
" https://github.com/golang/go/issues/10791
if s:go_version > "1.4.0" && s:go_version < "1.5.0"
let cmd .= "-f "
endif
for pkg in s:packages
let basename = fnamemodify(pkg, ":t")
let binname = "go_" . basename . "_bin"
let bin = basename
if exists("g:{binname}")
let bin = g:{binname}
endif
if !executable(bin) || a:updateBinaries == 1
if a:updateBinaries == 1
echo "vim-go: Updating ". basename .". Reinstalling ". pkg . " to folder " . go_bin_path
else
echo "vim-go: ". basename ." not found. Installing ". pkg . " to folder " . go_bin_path
endif
let out = system(cmd . shellescape(pkg))
if v:shell_error
echo "Error installing ". pkg . ": " . out
endif
endif
endfor
" restore back!
let $PATH = old_path
if resetshellslash
set shellslash
endif
endfunction
" CheckBinaries checks if the necessary binaries to install the Go tool
" commands are available.
function! s:CheckBinaries()
if !executable('go')
echohl Error | echomsg "vim-go: go executable not found." | echohl None
return -1
endif
if !executable('git')
echohl Error | echomsg "vim-go: git executable not found." | echohl None
return -1
endif
endfunction
" Autocommands
" ============================================================================
augroup vim-go
autocmd!
" GoInfo automatic update
if get(g:, "go_auto_type_info", 0)
autocmd CursorHold *.go nested call go#complete#Info()
endif
" code formatting on save
if get(g:, "go_fmt_autosave", 1)
autocmd BufWritePre *.go call go#fmt#Format(-1)
endif
augroup END
" vim:ts=4:sw=4:et