Annotate

util/mercurial.lua @ 13461:c673ff1075bd

mod_posix: Move everything to util.startup This allows greater control over the order of events. Notably, the internal ordering between daemonization, initialization of libunbound and setup of signal handling is sensitive. libunbound starts a separate thread for processing DNS requests. If this thread is started before signal handling has been set up, it will not inherit the signal handlers and instead behave as it would have before signal handlers were set up, i.e. cause the whole process to immediately exit. libunbound is usually initialized on the first DNS request, usually triggered by an outgoing s2s connection attempt. If daemonization happens before signals have been set up, signals may not be processed at all.
author Kim Alvefur <zash@zash.se>
date Sat, 23 Mar 2024 20:48:19 +0100
parent 10533:a6cc5b844d7b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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;