Fix issue when outside of git (no git config). Use F2 and :FT to avoid conflicts w/ official stdheader.vim

vim/stdheader.vim

@@ -6,7 +6,7 @@
 "    By: gbaconni@student.42lausanne.ch             +#+  +:+       +#+         "
 "                                                 +#+#+#+#+#+   +#+            "
 "    Created: 2013/06/15 12:45:56 by zaz               #+#    #+#              "
-"    Updated: 2021/10/26 08:32:41 by gbaconni         ###   lausanne.ch        "
+"    Updated: 2021/10/28 13:12:49 by gbaconni         ###   lausanne.ch        "
 "                                                                              "
 " **************************************************************************** "
 
@@ -60,97 +60,99 @@ let s:linelen		= 80
 let s:marginlen		= 5
 let s:contentlen	= s:linelen - (3 * s:marginlen - 1) - strlen(s:asciiart[0])
 
-function! s:trimlogin ()
-	let l:trimlogin = strpart(systemlist('git config user.name')[0], 0, 9)
-	if v:shell_error != 0 || strlen(l:trimlogin) == 0
+function s:trimlogin ()
+	let l:login = systemlist('git config user.name')
+	if v:shell_error == 0 && len(l:login) > 0
+		let l:trimlogin = strpart(l:login[0], 0, 9)
+	elseif exists("$USER")
 		let l:trimlogin = strpart($USER, 0, 9)
-	endif
-	if strlen(l:trimlogin) == 0
+	else
 		let l:trimlogin = "marvin"
 	endif
 	return l:trimlogin
 endfunction
 
-function! s:trimemail ()
-	let l:trimemail = strpart(systemlist('git config user.email')[0], 0, s:contentlen - 5)
-	if v:shell_error != 0 || strlen(l:trimemail) == 0
+function s:trimemail ()
+	let l:email = systemlist('git config user.email')
+	if v:shell_error == 0 && len(l:email) > 0
+		let l:trimemail = strpart(l:email[0], 0, s:contentlen - 5)
+	elseif exists("$MAIL")
 		let l:trimemail = strpart($MAIL, 0, s:contentlen - 5)
-	endif
-	if strlen(l:trimemail) == 0
+	else
 		let l:trimemail = "marvin@student.42lausanne.ch"
 	endif
 	return l:trimemail
 endfunction
 
-function! s:midgap ()
+function s:midgap ()
 	return repeat(' ', s:marginlen - 1)
 endfunction
 
-function! s:lmargin ()
+function s:lmargin ()
 	return repeat(' ', s:marginlen - strlen(s:start))
 endfunction
 
-function! s:rmargin ()
+function s:rmargin ()
 	return repeat(' ', s:marginlen - strlen(s:end))
 endfunction
 
-function! s:empty_content ()
+function s:empty_content ()
 	return repeat(' ', s:contentlen)
 endfunction
 
-function! s:left ()
+function s:left ()
 	return s:start . s:lmargin()
 endfunction
 
-function! s:right ()
+function s:right ()
 	return s:rmargin() . s:end
 endfunction
 
-function! s:bigline ()
+function s:bigline ()
 	return s:start . ' ' . repeat(s:fill, s:linelen - 2 - strlen(s:start) - strlen(s:end)) . ' ' . s:end
 endfunction
 
-function! s:logo1 ()
+function s:logo1 ()
 	return s:left() . s:empty_content() . s:midgap() . s:asciiart[0] . s:right()
 endfunction
 
-function! s:fileline ()
+function s:fileline ()
 	let l:trimfile = strpart(fnamemodify(bufname('%'), ':t'), 0, s:contentlen)
 	return s:left() . l:trimfile . repeat(' ', s:contentlen - strlen(l:trimfile)) . s:midgap() . s:asciiart[1] . s:right()
 endfunction
 
-function! s:logo2 ()
+function s:logo2 ()
 	return s:left() . s:empty_content() . s:midgap() .s:asciiart[2] . s:right()
 endfunction
 
-function! s:coderline ()
+function s:coderline ()
 	let l:contentline = "By: ". s:trimemail ()
 	return s:left() . l:contentline . repeat(' ', s:contentlen - strlen(l:contentline)) . s:midgap() . s:asciiart[3] . s:right()
 endfunction
 
-function! s:logo3 ()
+function s:logo3 ()
 	return s:left() . s:empty_content() . s:midgap() .s:asciiart[4] . s:right()
 endfunction
 
-function! s:dateline (prefix, logo)
+function s:dateline (prefix, logo)
 	let l:date = strftime("%Y/%m/%d %H:%M:%S")
 	let l:contentline = a:prefix . ": " . l:date . " by " . s:trimlogin ()
 	return s:left() . l:contentline . repeat(' ', s:contentlen - strlen(l:contentline)) . s:midgap() . s:asciiart[a:logo] . s:right()
 endfunction
 
-function! s:createline ()
+function s:createline ()
 	return s:dateline("Created", 5)
 endfunction
 
-function! s:updateline ()
+function s:updateline ()
 	return s:dateline("Updated", 6)
 endfunction
 
-function! s:emptyline ()
+function s:emptyline ()
 	return s:start . repeat(' ', s:linelen - strlen(s:start) - strlen(s:end)) . s:end
 endfunction
 
-function! s:filetype ()
+function s:filetype ()
 	let l:file = fnamemodify(bufname("%"), ':t')
 
 	let s:start = '#'
@@ -168,7 +170,7 @@ function! s:filetype ()
 	endfor
 endfunction
 
-function! s:insert ()
+function s:insert ()
 	call s:filetype ()
 
 	call append(0, "")
@@ -185,7 +187,7 @@ function! s:insert ()
 	call append (0, s:bigline())
 endfunction
 
-function! s:update ()
+function s:update ()
 	call s:filetype ()
 
 	let l:pattern = s:start . repeat(' ', 5 - strlen(s:start)) . "Updated: [0-9]"
@@ -196,6 +198,6 @@ function! s:update ()
 	endif
 endfunction
 
-command! Stdheader call s:insert ()
-nmap <F1> :Stdheader<CR>
+command FT call s:insert ()
+nmap <F2> :FT<CR>
 autocmd BufWritePre * call s:update ()