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vim-patch:8.2.4607: sourcing buffer lines may lead to errors for conflicts

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Problem:    Sourcing buffer lines may lead to errors for conflicts.
Solution:   Add the ++clear argument. (Yegappan Lakshmanan, closes vim/vim#9991)

35dc17634d

Documentation changes only. Vim9script is N/A.
Cherry-pick another documentation change for :source from latest Vim.

Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
This commit is contained in:
zeertzjq
2025-02-28 14:00:30 +08:00
parent 6750d00fe9
commit 7c6a9c5589
2 changed files with 37 additions and 7 deletions
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16
runtime/doc/repeat.txt
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@@ -197,13 +197,15 @@ For writing a Vim script, see chapter 41 of the user manual |usr_41.txt|.
Triggers the |SourcePre| autocommand.
:[range]so[urce] Read Ex commands or Lua code from the [range] of lines
in the current buffer. The buffer is treated as Lua
code if 'filetype' is "lua" or its filename ends with
".lua". When sourcing commands or Lua code from the
current buffer, the same script-ID |<SID>| is used
even if the buffer is sourced multiple times. If a
buffer is sourced more than once, then the functions
in the buffer are redefined again.
in the current buffer. When [range] is omitted read
all lines. The buffer is treated as Lua code if its
'filetype' is "lua" or its filename ends with ".lua".
When sourcing commands or Lua code from the current
buffer, the same script-ID |<SID>| is used even if the
buffer is sourced multiple times. If a buffer is
sourced more than once, then the functions in the
buffer are defined again.
*:source!*
:so[urce]! {file}

28
test/old/testdir/test_source.vim
View File

@@ -607,6 +607,34 @@ func Test_source_buffer_vim9()
source
call assert_equal('red', g:Color)
" test for ++clear argument to clear all the functions/variables
%d _
let lines =<< trim END
g:ScriptVarFound = exists("color")
g:MyFuncFound = exists('*Myfunc')
if g:MyFuncFound
finish
endif
var color = 'blue'
def Myfunc()
enddef
END
call setline(1, lines)
vim9cmd source
call assert_false(g:MyFuncFound)
call assert_false(g:ScriptVarFound)
vim9cmd source
call assert_true(g:MyFuncFound)
call assert_true(g:ScriptVarFound)
vim9cmd source ++clear
call assert_false(g:MyFuncFound)
call assert_false(g:ScriptVarFound)
vim9cmd source ++clear
call assert_false(g:MyFuncFound)
call assert_false(g:ScriptVarFound)
call assert_fails('vim9cmd source ++clearx', 'E475:')
call assert_fails('vim9cmd source ++abcde', 'E484:')
%bw!
endfunc