Annotate

util/mercurial.lua @ 12189:82c8e855c850

mod_storage_xep0227: treat roster metadata pseudo-entry correctly The roster version is stored in a pseudo-item which has the key `false`. The if condition in the touched code attempts to guard against this, but it does not take into account that the jid prepping returns nil instead of false. By moving the jid prepping into the if, we can check for the metadata entry safely.
author Jonas Schäfer <jonas@wielicki.name>
date Sat, 15 Jan 2022 15:40:29 +0100
parent 10533:a6cc5b844d7b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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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3
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4 local hg = { };
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5
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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;