Mercurial > prosody-hg

annotate util/mercurial.lua @ 12956:52fcdfe710ca

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storagemanager: Add keyval+ (combined keyval + map) store type This combines the two most common store types, which modules often end up opening with both interfaces separately anyway. As well as combining them, I've taken the opportunity to improve some of the method names to make them clearer.
author Matthew Wild <mwild1@gmail.com>
date Tue, 27 Sep 2022 17:46:27 +0100
parents a6cc5b844d7b
children
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ec94dc502113 util.mercurial: Utility functions for Mercurial repositories
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1
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2 local lfs = require"lfs";
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4 local hg = { };
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6 function hg.check_id(path)
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7 if lfs.attributes(path, 'mode') ~= "directory" then
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8 return nil, "not a directory";
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9 end
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10 local hg_dirstate = io.open(path.."/.hg/dirstate");
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11 local hgid, hgrepo
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12 if hg_dirstate then
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13 hgid = ("%02x%02x%02x%02x%02x%02x"):format(hg_dirstate:read(6):byte(1, 6));
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14 hg_dirstate:close();
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15 local hg_changelog = io.open(path.."/.hg/store/00changelog.i");
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16 if hg_changelog then
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17 hg_changelog:seek("set", 0x20);
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18 hgrepo = ("%02x%02x%02x%02x%02x%02x"):format(hg_changelog:read(6):byte(1, 6));
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19 hg_changelog:close();
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20 end
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21 else
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a6cc5b844d7b util.mercurial: Ignore an unused error variable [luacheck]
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22 local hg_archival,e = io.open(path.."/.hg_archival.txt"); -- luacheck: ignore 211/e
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23 if hg_archival then
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24 local repo = hg_archival:read("*l");
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25 local node = hg_archival:read("*l");
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26 hg_archival:close()
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27 hgid = node and node:match("^node: (%x%x%x%x%x%x%x%x%x%x%x%x)")
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28 hgrepo = repo and repo:match("^repo: (%x%x%x%x%x%x%x%x%x%x%x%x)")
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29 end
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30 end
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31 return hgid, hgrepo;
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32 end
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33
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34 return hg;