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https://github.com/inkarkat/vim-ingo-library.git
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Ingo Karkat
51 lines
2.0 KiB
VimL
51 lines
2.0 KiB
VimL
" ingo/version.vim: Meta-function for plugin dependency check.
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"
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" DEPENDENCIES:
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"
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" Copyright: (C) 2024-2025 Ingo Karkat
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" The VIM LICENSE applies to this script; see ':help copyright'.
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"
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" Maintainer: Ingo Karkat <ingo@karkat.de>
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let s:version = '1.047'
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"******************************************************************************
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"* PURPOSE:
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" Called by plugins to check for existence and supported version of the
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" ingo-library.
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"* ASSUMPTIONS / PRECONDITIONS:
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" None.
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"* EFFECTS / POSTCONDITIONS:
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" Throws 'ingo-library: ...' exception if version requirements aren't met.
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" Vim throws 'E117: Unknown function' if the ingo-library isn't installed at
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" all.
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"* INPUTS:
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" a:wantedVersion String of the minimum required version.
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"* RETURN VALUES:
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" Succeeds if the version requirements are met.
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"* USAGE:
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" Put this at the top of the plugin's main autoload script (so that it gets
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" triggered on first use of a plugin command or mapping):
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" try
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" call ingo#version#Has('1.000')
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" catch /^ingo-library:/
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" echoerr v:exception
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" catch /^Vim\%((\a\+)\)\=:/
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" echoerr printf('The ingo-library dependency is missing; see :help %s-dependencies', expand('<sfile>:t:r'))
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" endtry
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"******************************************************************************
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function! ingo#version#Has( wantedVersion ) abort
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let l:currentVersion = split(s:version, '\.')
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let l:wantedVersion = split(a:wantedVersion, '\.')
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for l:i in range(len(l:currentVersion))
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if l:i == 0 && str2nr(l:currentVersion[l:i]) != str2nr(get(l:wantedVersion, l:i, '0'))
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throw printf('ingo-library: Incompatible major version installed; you have %s, plugin wants %s', join(l:currentVersion, '.'), join(l:wantedVersion, '.'))
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elseif str2nr(l:currentVersion[l:i]) < str2nr(get(l:wantedVersion, l:i, '0'))
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throw printf('ingo-library: Installed version is too old; you have %s, plugin wants %s', join(l:currentVersion, '.'), join(l:wantedVersion, '.'))
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endif
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endfor
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return 0
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endfunction
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" vim: set ts=8 sts=4 sw=4 noexpandtab ff=unix fdm=syntax :
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