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Make prepare functions idempotent

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This is limited to the single argument case so as not to interfere with
using an old command result to seed the Git dir for a new command.
This commit is contained in:
Tim Pope
2021-08-10 01:40:41 -04:00
parent 5853cb0fc3
commit 35872c5dca
1 changed files with 17 additions and 9 deletions
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26
autoload/fugitive.vim
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@@ -420,16 +420,24 @@ function! fugitive#PrepareDirEnvGitFlagsArgs(...) abort
throw 'fugitive: Git 1.8.5 or higher required'
endif
let git = s:GitCmd()
let list_args = []
let cmd = []
for arg in a:000
if type(arg) ==# type([])
call extend(list_args, arg)
else
call add(cmd, arg)
if a:0 == 1 && type(a:1) == type({}) && has_key(a:1, 'git_dir') && has_key(a:1, 'flags') && has_key(a:1, 'args')
let cmd = a:1.flags + a:1.args
let dir = a:1.git_dir
if has_key(a:1, 'git')
let git = a:1.git
endif
endfor
call extend(cmd, list_args)
else
let list_args = []
let cmd = []
for arg in a:000
if type(arg) ==# type([])
call extend(list_args, arg)
else
call add(cmd, arg)
endif
endfor
call extend(cmd, list_args)
endif
let env = {}
let i = 0
let arg_count = 0