mirror of
https://github.com/amix/vimrc
synced 2024-12-13 13:42:30 +00:00
215 lines
5.8 KiB
VimL
215 lines
5.8 KiB
VimL
" install necessary Go tools
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if exists("g:go_loaded_install")
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finish
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endif
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let g:go_loaded_install = 1
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" these packages are used by vim-go and can be automatically installed if
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" needed by the user with GoInstallBinaries
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let s:packages = [
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\ "github.com/nsf/gocode",
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\ "github.com/alecthomas/gometalinter",
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\ "golang.org/x/tools/cmd/goimports",
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\ "golang.org/x/tools/cmd/guru",
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\ "golang.org/x/tools/cmd/gorename",
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\ "github.com/golang/lint/golint",
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\ "github.com/rogpeppe/godef",
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\ "github.com/kisielk/errcheck",
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\ "github.com/jstemmer/gotags",
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\ "github.com/klauspost/asmfmt/cmd/asmfmt",
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\ "github.com/fatih/motion",
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\ "github.com/fatih/gomodifytags",
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\ "github.com/zmb3/gogetdoc",
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\ "github.com/josharian/impl",
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\ "github.com/dominikh/go-tools/cmd/keyify",
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\ ]
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" These commands are available on any filetypes
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command! GoInstallBinaries call s:GoInstallBinaries(-1)
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command! GoUpdateBinaries call s:GoInstallBinaries(1)
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command! -nargs=? -complete=dir GoPath call go#path#GoPath(<f-args>)
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" GoInstallBinaries downloads and install all necessary binaries stated in the
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" packages variable. It uses by default $GOBIN or $GOPATH/bin as the binary
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" target install directory. GoInstallBinaries doesn't install binaries if they
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" exist, to update current binaries pass 1 to the argument.
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function! s:GoInstallBinaries(updateBinaries)
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let err = s:CheckBinaries()
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if err != 0
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return
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endif
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if go#path#Default() == ""
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echohl Error
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echomsg "vim.go: $GOPATH is not set and 'go env GOPATH' returns empty"
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echohl None
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return
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endif
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let go_bin_path = go#path#BinPath()
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" change $GOBIN so go get can automatically install to it
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let $GOBIN = go_bin_path
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" old_path is used to restore users own path
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let old_path = $PATH
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" vim's executable path is looking in PATH so add our go_bin path to it
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let $PATH = go_bin_path . go#util#PathListSep() . $PATH
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" when shellslash is set on MS-* systems, shellescape puts single quotes
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" around the output string. cmd on Windows does not handle single quotes
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" correctly. Unsetting shellslash forces shellescape to use double quotes
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" instead.
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let resetshellslash = 0
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if has('win32') && &shellslash
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let resetshellslash = 1
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set noshellslash
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endif
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let cmd = "go get -v "
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if get(g:, "go_get_update", 1) != 0
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let cmd .= "-u "
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endif
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let s:go_version = matchstr(go#util#System("go version"), '\d.\d.\d')
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" https://github.com/golang/go/issues/10791
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if s:go_version > "1.4.0" && s:go_version < "1.5.0"
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let cmd .= "-f "
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endif
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for pkg in s:packages
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let basename = fnamemodify(pkg, ":t")
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let binname = "go_" . basename . "_bin"
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let bin = basename
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if exists("g:{binname}")
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let bin = g:{binname}
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endif
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if !executable(bin) || a:updateBinaries == 1
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if a:updateBinaries == 1
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echo "vim-go: Updating ". basename .". Reinstalling ". pkg . " to folder " . go_bin_path
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else
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echo "vim-go: ". basename ." not found. Installing ". pkg . " to folder " . go_bin_path
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endif
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let out = go#util#System(cmd . shellescape(pkg))
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if go#util#ShellError() != 0
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echo "Error installing ". pkg . ": " . out
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endif
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endif
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endfor
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" restore back!
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let $PATH = old_path
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if resetshellslash
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set shellslash
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endif
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endfunction
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" CheckBinaries checks if the necessary binaries to install the Go tool
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" commands are available.
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function! s:CheckBinaries()
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if !executable('go')
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echohl Error | echomsg "vim-go: go executable not found." | echohl None
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return -1
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endif
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if !executable('git')
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echohl Error | echomsg "vim-go: git executable not found." | echohl None
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return -1
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endif
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endfunction
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" Autocommands
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" ============================================================================
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"
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function! s:echo_go_info()
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if !get(g:, "go_echo_go_info", 1)
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return
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endif
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if !exists('v:completed_item') || empty(v:completed_item)
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return
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endif
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let item = v:completed_item
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if !has_key(item, "info")
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return
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endif
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if empty(item.info)
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return
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endif
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redraws! | echo "vim-go: " | echohl Function | echon item.info | echohl None
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endfunction
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function! s:auto_type_info()
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" GoInfo automatic update
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if get(g:, "go_auto_type_info", 0)
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call go#tool#Info(1)
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endif
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endfunction
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function! s:auto_sameids()
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" GoSameId automatic update
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if get(g:, "go_auto_sameids", 0)
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call go#guru#SameIds()
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endif
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endfunction
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function! s:fmt_autosave()
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" Go code formatting on save
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if get(g:, "go_fmt_autosave", 1)
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call go#fmt#Format(-1)
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endif
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endfunction
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function! s:asmfmt_autosave()
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" Go asm formatting on save
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if get(g:, "go_asmfmt_autosave", 0)
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call go#asmfmt#Format()
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endif
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endfunction
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function! s:metalinter_autosave()
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" run gometalinter on save
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if get(g:, "go_metalinter_autosave", 0)
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call go#lint#Gometa(1)
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endif
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endfunction
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function! s:template_autocreate()
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" create new template from scratch
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if get(g:, "go_template_autocreate", 1)
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call go#template#create()
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endif
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endfunction
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augroup vim-go
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autocmd!
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autocmd CursorHold *.go call s:auto_type_info()
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autocmd CursorHold *.go call s:auto_sameids()
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" Echo the identifier information when completion is done. Useful to see
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" the signature of a function, etc...
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if exists('##CompleteDone')
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autocmd CompleteDone *.go call s:echo_go_info()
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endif
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autocmd BufWritePre *.go call s:fmt_autosave()
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autocmd BufWritePre *.s call s:asmfmt_autosave()
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autocmd BufWritePost *.go call s:metalinter_autosave()
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autocmd BufNewFile *.go call s:template_autocreate()
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" clear SameIds when the buffer is unloaded so that loading another buffer
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" in the same window doesn't highlight the most recently matched
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" identifier's positions.
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autocmd BufWinEnter *.go call go#guru#ClearSameIds()
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augroup END
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" vim: sw=2 ts=2 et
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