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Use branch name of origin if not specified

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This commit is contained in:
Junegunn Choi 2020-08-29 02:00:01 +09:00
parent 95ef5e8d5f
commit 49be3a8ca9
1 changed files with 21 additions and 30 deletions
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51
plug.vim
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@ -1206,10 +1206,7 @@ function! s:update_finish()
call s:log4(name, 'Checking out '.tag)
let out = s:system('git checkout -q '.plug#shellescape(tag).' -- 2>&1', spec.dir)
else
let branch = get(spec, 'branch', '')
if empty(branch)
let branch = s:git_get_branch(spec.dir)
endif
let branch = s:git_origin_branch(spec)
call s:log4(name, 'Merging origin/'.s:esc(branch))
let out = s:system('git checkout -q '.plug#shellescape(branch).' -- 2>&1'
\. (has_key(s:update.new, name) ? '' : ('&& git merge --ff-only '.plug#shellescape('origin/'.branch).' 2>&1')), spec.dir)
@ -2211,12 +2208,20 @@ function! s:system_chomp(...)
return v:shell_error ? '' : substitute(ret, '\n$', '', '')
endfunction
function! s:git_get_branch(dir)
let result = s:lines(s:system('git symbolic-ref --short HEAD', a:dir))
if v:shell_error
return ''
function! s:git_origin_branch(spec)
if len(a:spec.branch)
return a:spec.branch
endif
return result[-1]
" The file may not be present if this is a local repository
let origin_head = a:spec.dir.'/.git/refs/remotes/origin/HEAD'
if filereadable(origin_head)
return split(readfile(origin_head)[0], 'refs/remotes/origin/')[-1]
endif
" The command may not return the name of a branch in detached HEAD state
let result = s:lines(s:system('git symbolic-ref --short HEAD', a:spec.dir))
return v:shell_error ? '' : result[-1]
endfunction
function! s:git_validate(spec, check_branch)
@ -2241,11 +2246,9 @@ function! s:git_validate(spec, check_branch)
\ 'PlugUpdate required.'], "\n")
endif
elseif a:check_branch
let branch = result[0]
if empty(branch)
let branch = 'HEAD'
endif
let current_branch = result[0]
" Check tag
let origin_branch = s:git_origin_branch(a:spec)
if has_key(a:spec, 'tag')
let tag = s:system_chomp('git describe --exact-match --tags HEAD 2>&1', a:spec.dir)
if a:spec.tag !=# tag && a:spec.tag !~ '\*'
@ -2253,14 +2256,14 @@ function! s:git_validate(spec, check_branch)
\ (empty(tag) ? 'N/A' : tag), a:spec.tag)
endif
" Check branch
elseif a:spec.branch != '' && a:spec.branch !=# branch
elseif origin_branch !=# current_branch
let err = printf('Invalid branch: %s (expected: %s). Try PlugUpdate.',
\ branch, a:spec.branch)
\ current_branch, origin_branch)
endif
if empty(err)
let [ahead, behind] = split(s:lastline(s:system([
\ 'git', 'rev-list', '--count', '--left-right',
\ printf('HEAD...origin/%s', branch)
\ printf('HEAD...origin/%s', origin_branch)
\ ], a:spec.dir)), '\t')
if !v:shell_error && ahead
if behind
@ -2268,11 +2271,11 @@ function! s:git_validate(spec, check_branch)
" pushable (and probably not that messed up).
let err = printf(
\ "Diverged from origin/%s (%d commit(s) ahead and %d commit(s) behind!\n"
\ .'Backup local changes and run PlugClean and PlugUpdate to reinstall it.', branch, ahead, behind)
\ .'Backup local changes and run PlugClean and PlugUpdate to reinstall it.', origin_branch, ahead, behind)
else
let err = printf("Ahead of origin/%s by %d commit(s).\n"
\ .'Cannot update until local changes are pushed.',
\ branch, ahead)
\ origin_branch, ahead)
endif
endif
endif
@ -2588,18 +2591,6 @@ function! s:append_ul(lnum, text)
call append(a:lnum, ['', a:text, repeat('-', len(a:text))])
endfunction
function! s:git_origin_branch(spec)
if len(a:spec.branch)
return a:spec.branch
endif
let origin_head = a:spec.dir.'/.git/refs/remotes/origin/HEAD'
if !filereadable(origin_head)
return ''
endif
return split(readfile(origin_head)[0], '/')[-1]
endfunction
function! s:diff()
call s:prepare()
call append(0, ['Collecting changes ...', ''])