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+" Vim filetype plugin file (GUI menu, folding and completion)
+" Language: Debian Changelog
+" Maintainer: Debian Vim Maintainers <team+vim@tracker.debian.org>
+" Former Maintainers: Michael Piefel <piefel@informatik.hu-berlin.de>
+" Stefano Zacchiroli <zack@debian.org>
+" Last Change: 2023 Aug 18
+" License: Vim License
+" URL: https://salsa.debian.org/vim-team/vim-debian/blob/main/ftplugin/debchangelog.vim
+
+" Bug completion requires apt-listbugs installed for Debian packages or
+" python-launchpadlib installed for Ubuntu packages
+
+if exists('b:did_ftplugin')
+ finish
+endif
+let b:did_ftplugin=1
+
+" {{{1 Local settings (do on every load)
+if exists('g:debchangelog_fold_enable')
+ setlocal foldmethod=expr
+ setlocal foldexpr=DebGetChangelogFold(v:lnum)
+ setlocal foldtext=DebChangelogFoldText()
+endif
+
+" Debian changelogs are not supposed to have any other text width,
+" so the user cannot override this setting
+setlocal tw=78
+setlocal comments=f:*
+
+" Clean unloading
+let b:undo_ftplugin = 'setlocal tw< comments< foldmethod< foldexpr< foldtext<'
+" }}}1
+
+if exists('g:did_changelog_ftplugin')
+ finish
+endif
+
+" Don't load another plugin (this is global)
+let g:did_changelog_ftplugin = 1
+
+" Make sure the '<' and 'C' flags are not included in 'cpoptions', otherwise
+" <CR> would not be recognized. See ":help 'cpoptions'".
+let s:cpo_save = &cpo
+set cpo&vim
+
+" {{{1 GUI menu
+
+" Helper functions returning various data.
+" Returns full name, either from $DEBFULLNAME or debianfullname.
+" TODO Is there a way to determine name from anywhere else?
+function <SID>FullName()
+ if exists('$DEBFULLNAME')
+ return $DEBFULLNAME
+ elseif exists('g:debianfullname')
+ return g:debianfullname
+ else
+ return 'Your Name'
+ endif
+endfunction
+
+" Returns email address, from $DEBEMAIL, $EMAIL or debianemail.
+function <SID>Email()
+ if exists('$DEBEMAIL')
+ return $DEBEMAIL
+ elseif exists('$EMAIL')
+ return $EMAIL
+ elseif exists('g:debianemail')
+ return g:debianemail
+ else
+ return 'your@email.address'
+ endif
+endfunction
+
+" Returns date in RFC822 format.
+function <SID>Date()
+ let savelang = v:lc_time
+ execute 'language time C'
+ let dateandtime = strftime('%a, %d %b %Y %X %z')
+ execute 'language time ' . savelang
+ return dateandtime
+endfunction
+
+function <SID>WarnIfNotUnfinalised()
+ if match(getline('.'), ' -- [[:alpha:]][[:alnum:].]')!=-1
+ echohl WarningMsg
+ echo 'The entry has not been unfinalised before editing.'
+ echohl None
+ return 1
+ endif
+ return 0
+endfunction
+
+function <SID>Finalised()
+ let savelinenum = line('.')
+ 1
+ call search('^ -- ')
+ if match(getline('.'), ' -- [[:alpha:]][[:alnum:].]')!=-1
+ let returnvalue = 1
+ else
+ let returnvalue = 0
+ endif
+ execute savelinenum
+ return returnvalue
+endfunction
+
+" These functions implement the menus
+function NewVersion()
+ " The new entry is unfinalised and shall be changed
+ amenu disable &Changelog.&New\ Version
+ amenu enable &Changelog.&Add\ Entry
+ amenu enable &Changelog.&Close\ Bug
+ amenu enable &Changelog.Set\ &Distribution
+ amenu enable &Changelog.Set\ &Urgency
+ amenu disable &Changelog.U&nfinalise
+ amenu enable &Changelog.&Finalise
+ call append(0, substitute(getline(1), '-\([[:digit:]]\+\))', '-$$\1)', ''))
+ call append(1, '')
+ call append(2, '')
+ call append(3, ' -- ')
+ call append(4, '')
+ call Urgency('low')
+ normal! 1G0
+ call search(')')
+ normal! h
+ " ':normal' doesn't support key annotation (<c-a>) directly.
+ " Vim's manual recommends using ':exe' to use key annotation indirectly (backslash-escaping needed though).
+ exe "normal! \<c-a>"
+ call setline(1, substitute(getline(1), '-\$\$', '-', ''))
+ if exists('g:debchangelog_fold_enable')
+ foldopen
+ endif
+ call AddEntry()
+endfunction
+
+function AddEntry()
+ 1
+ call search('^ -- ')
+ .-2
+ call append('.', ' * ')
+ .+3
+ let warn=<SID>WarnIfNotUnfinalised()
+ .-2
+ if warn
+ echohl MoreMsg
+ call input('Hit ENTER')
+ echohl None
+ endif
+ startinsert!
+endfunction
+
+function CloseBug()
+ 1
+ call search('^ -- ')
+ let warn=<SID>WarnIfNotUnfinalised()
+ .-2
+ call append('.', ' * (closes: #' . input('Bug number to close: ') . ')')
+ normal! j^ll
+ startinsert
+endfunction
+
+function Distribution(dist)
+ call setline(1, substitute(getline(1), ') *\%(UNRELEASED\|\l\+\);', ') ' . a:dist . ';', ''))
+endfunction
+
+function Urgency(urg)
+ call setline(1, substitute(getline(1), 'urgency=.*$', 'urgency=' . a:urg, ''))
+endfunction
+
+function <SID>UnfinaliseMenu()
+ " This means the entry shall be changed
+ amenu disable &Changelog.&New\ Version
+ amenu enable &Changelog.&Add\ Entry
+ amenu enable &Changelog.&Close\ Bug
+ amenu enable &Changelog.Set\ &Distribution
+ amenu enable &Changelog.Set\ &Urgency
+ amenu disable &Changelog.U&nfinalise
+ amenu enable &Changelog.&Finalise
+endfunction
+
+function Unfinalise()
+ call <SID>UnfinaliseMenu()
+ 1
+ call search('^ -- ')
+ call setline('.', ' -- ')
+endfunction
+
+function <SID>FinaliseMenu()
+ " This means the entry should not be changed anymore
+ amenu enable &Changelog.&New\ Version
+ amenu disable &Changelog.&Add\ Entry
+ amenu disable &Changelog.&Close\ Bug
+ amenu disable &Changelog.Set\ &Distribution
+ amenu disable &Changelog.Set\ &Urgency
+ amenu enable &Changelog.U&nfinalise
+ amenu disable &Changelog.&Finalise
+endfunction
+
+function Finalise()
+ call <SID>FinaliseMenu()
+ 1
+ call search('^ -- ')
+ call setline('.', ' -- ' . <SID>FullName() . ' <' . <SID>Email() . '> ' . <SID>Date())
+endfunction
+
+
+function <SID>MakeMenu()
+ amenu &Changelog.&New\ Version :call NewVersion()<CR>
+ amenu &Changelog.&Add\ Entry :call AddEntry()<CR>
+ amenu &Changelog.&Close\ Bug :call CloseBug()<CR>
+ menu &Changelog.-sep- <nul>
+
+ amenu &Changelog.Set\ &Distribution.&unstable :call Distribution("unstable")<CR>
+ amenu &Changelog.Set\ &Distribution.&frozen :call Distribution("frozen")<CR>
+ amenu &Changelog.Set\ &Distribution.&stable :call Distribution("stable")<CR>
+ menu &Changelog.Set\ &Distribution.-sep- <nul>
+ amenu &Changelog.Set\ &Distribution.frozen\ unstable :call Distribution("frozen unstable")<CR>
+ amenu &Changelog.Set\ &Distribution.stable\ unstable :call Distribution("stable unstable")<CR>
+ amenu &Changelog.Set\ &Distribution.stable\ frozen :call Distribution("stable frozen")<CR>
+ amenu &Changelog.Set\ &Distribution.stable\ frozen\ unstable :call Distribution("stable frozen unstable")<CR>
+
+ amenu &Changelog.Set\ &Urgency.&low :call Urgency("low")<CR>
+ amenu &Changelog.Set\ &Urgency.&medium :call Urgency("medium")<CR>
+ amenu &Changelog.Set\ &Urgency.&high :call Urgency("high")<CR>
+
+ menu &Changelog.-sep- <nul>
+ amenu &Changelog.U&nfinalise :call Unfinalise()<CR>
+ amenu &Changelog.&Finalise :call Finalise()<CR>
+
+ if <SID>Finalised()
+ call <SID>FinaliseMenu()
+ else
+ call <SID>UnfinaliseMenu()
+ endif
+endfunction
+
+augroup changelogMenu
+au BufEnter * if &filetype == "debchangelog" | call <SID>MakeMenu() | endif
+au BufLeave * if &filetype == "debchangelog" | silent! aunmenu &Changelog | endif
+augroup END
+
+" }}}
+" {{{1 folding
+
+" look for an author name in the [zonestart zoneend] lines searching backward
+function! s:getAuthor(zonestart, zoneend)
+ let linepos = a:zoneend
+ while linepos >= a:zonestart
+ let line = getline(linepos)
+ if line =~# '^ --'
+ return substitute(line, '^ --\s*\([^<]\+\)\s*.*', '\1', '')
+ endif
+ let linepos -= 1
+ endwhile
+ return '[unknown]'
+endfunction
+
+" Look for a package source name searching backward from the givenline and
+" returns it. Return the empty string if the package name can't be found
+function! DebGetPkgSrcName(lineno)
+ let lineidx = a:lineno
+ let pkgname = ''
+ while lineidx > 0
+ let curline = getline(lineidx)
+ if curline =~# '^\S'
+ let pkgname = matchlist(curline, '^\(\S\+\).*$')[1]
+ break
+ endif
+ let lineidx = lineidx - 1
+ endwhile
+ return pkgname
+endfunction
+
+function! DebChangelogFoldText()
+ if v:folddashes ==# '-' " changelog entry fold
+ return foldtext() . ' -- ' . s:getAuthor(v:foldstart, v:foldend) . ' '
+ endif
+ return foldtext()
+endfunction
+
+function! DebGetChangelogFold(lnum)
+ let line = getline(a:lnum)
+ if line =~# '^\w\+'
+ return '>1' " beginning of a changelog entry
+ endif
+ if line =~# '^\s\+\[.*\]'
+ return '>2' " beginning of an author-specific chunk
+ endif
+ if line =~# '^ --'
+ return '1'
+ endif
+ return '='
+endfunction
+
+if exists('g:debchangelog_fold_enable')
+ silent! foldopen! " unfold the entry the cursor is on (usually the first one)
+endif
+
+" }}}
+
+" {{{1 omnicompletion for Closes: #
+
+if !exists('g:debchangelog_listbugs_severities')
+ let g:debchangelog_listbugs_severities = 'critical,grave,serious,important,normal,minor,wishlist'
+endif
+
+fun! DebCompleteBugs(findstart, base)
+ if a:findstart
+ let line = getline('.')
+
+ " try to detect whether this is closes: or lp:
+ let g:debchangelog_complete_mode = 'debbugs'
+ let try_colidx = col('.') - 1
+ let colidx = -1 " default to no-completion-possible
+
+ while try_colidx > 0 && line[try_colidx - 1] =~# '\s\|\d\|#\|,\|:'
+ let try_colidx = try_colidx - 1
+ if line[try_colidx] ==# '#' && colidx == -1
+ " found hash, where we complete from:
+ let colidx = try_colidx
+ elseif line[try_colidx] ==# ':'
+ if try_colidx > 1 && strpart(line, try_colidx - 2, 3) =~? '\clp:'
+ let g:debchangelog_complete_mode = 'lp'
+ endif
+ break
+ endif
+ endwhile
+ return colidx
+ else " return matches:
+ let bug_lines = []
+ if g:debchangelog_complete_mode ==? 'lp'
+ if ! has('python')
+ echoerr 'vim must be built with Python support to use LP bug completion'
+ return
+ endif
+ let pkgsrc = DebGetPkgSrcName(line('.'))
+ python << EOF
+import vim
+try:
+ from launchpadlib.launchpad import Launchpad
+ from lazr.restfulclient.errors import HTTPError
+ # login anonymously
+ lp = Launchpad.login_anonymously('debchangelog.vim', 'production')
+ ubuntu = lp.distributions['ubuntu']
+ try:
+ sp = ubuntu.getSourcePackage(name=vim.eval('pkgsrc'))
+ status = ('New', 'Incomplete', 'Confirmed', 'Triaged',
+ 'In Progress', 'Fix Committed')
+ tasklist = sp.searchTasks(status=status, order_by='id')
+ liststr = '['
+ for task in tasklist:
+ bug = task.bug
+ liststr += "'#%d - %s'," % (bug.id, bug.title.replace('\'', '\'\''))
+ liststr += ']'
+ vim.command('silent let bug_lines = %s' % liststr.encode('utf-8'))
+ except HTTPError:
+ pass
+except ImportError:
+ vim.command('echoerr \'python-launchpadlib >= 1.5.4 needs to be installed to use Launchpad bug completion\'')
+EOF
+ else
+ if ! filereadable('/usr/sbin/apt-listbugs')
+ echoerr 'apt-listbugs not found, you should install it to use Closes bug completion'
+ return
+ endif
+ let pkgsrc = DebGetPkgSrcName(line('.'))
+ let listbugs_output = system('/usr/sbin/apt-listbugs -s ' . g:debchangelog_listbugs_severities . ' list ' . pkgsrc . ' | grep "^ #" 2> /dev/null')
+ let bug_lines = split(listbugs_output, '\n')
+ endif
+ let completions = []
+ for line in bug_lines
+ let parts = matchlist(line, '^\s*\(#\S\+\)\s*-\s*\(.*\)$')
+ " filter only those which match a:base:
+ if parts[1] !~ '^' . a:base
+ continue
+ endif
+ let completion = {}
+ let completion['word'] = parts[1]
+ let completion['menu'] = parts[2]
+ let completion['info'] = parts[0]
+ let completions += [completion]
+ endfor
+ return completions
+ endif
+endfun
+
+setlocal omnifunc=DebCompleteBugs
+
+" }}}
+
+" Restore the previous value of 'cpoptions'.
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: set foldmethod=marker: