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Diffstat (limited to 'vim/autoload/patch.vim')
| -rw-r--r-- | vim/autoload/patch.vim | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/vim/autoload/patch.vim b/vim/autoload/patch.vim new file mode 100644 index 00000000..3a17ccda --- /dev/null +++ b/vim/autoload/patch.vim @@ -0,0 +1,35 @@ +" Wrapper to emulate the nicer has() syntax for simultaneous version and patch +" level checking that was introduced in v7.4.236 and fixed in v7.4.237. +" +" * <https://github.com/vim/vim/releases/tag/v7.4.236> +" * <https://github.com/vim/vim/releases/tag/v7.4.237> +" +function! patch#(version) abort + + " If the Vim running is new enough for its has() function to support + " checking patch levels with version prefixes, we can just add a "patch-" + " prefix to the query, and pass it on to has(). + " + if has('patch-7.4.237') + return has('patch-'.a:version) + endif + + " Failing that, we need to do our own version number and patch number + " comparisons; split the queried version on dots. + " + let [major, minor, patch] = split(a:version, '\.') + + " The internal variable v:version describing the running Vim looks like + " e.g. 801 for v8.1; reproduce that logic for the queried version. + " + let l:version = major * 100 + minor + + " If the running version number is the same as the required one, return + " whether we have the specific patch requested; otherwise, return whether + " the running version number is greater than the required one. + " + return v:version == l:version + \ ? has('patch-'.patch) + \ : v:version > l:version + +endfunction |