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Code Issues Releases Wiki Activity

improve shebang detection with regex

This commit is contained in:
Connor Olding 2021-10-31 07:34:21 +01:00
parent d7089c2ff4
commit ba907e97fa
1 changed files with 3 additions and 7 deletions
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10
home/vimrc
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@ -176,13 +176,9 @@ fu! DetectShebang()
" vim has some rudimentary detection, but sometimes i want to override it.
" vim's version is typically found here: /usr/share/vim/vim82/scripts.vim
let l = getline(1)
let p = ''
if l =~# '^#!/usr/bin/env -S ' | let p = get(split(l, ' '), 2)
elseif l =~# '^#!/usr/bin/env ' | let p = get(split(l, ' '), 1)
elseif l =~# '^#!/usr/bin/.' | let p = get(split(l, '/'), 3)
elseif l =~# '^#!/s\?bin/.' | let p = get(split(l, '/'), 2)
endif
if l[:1] !=# '#!' | return | endif
let l = trim(l[2:], ' ', 1) " sometimes there are spaces after the #!
let p = matchstr(l, '^\%(/usr\)\=/s\=bin/\%(env\%( \+-S\)\= \+\)\=\zs[^ ]*\ze')
if p ==# 'bash' | setlocal ft=bash | endif
if p ==# 'dash' | setlocal ft=bash | endif