author | Matthew Wild <mwild1@gmail.com> |
Sun, 19 Jan 2020 15:50:32 +0000 | |
branch | 0.11 |
changeset 10607 | dbd60f473164 |
parent 6588 | ec94dc502113 |
child 10537 | a6cc5b844d7b |
permissions | -rw-r--r-- |
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util.mercurial: Utility functions for Mercurial repositories
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local lfs = require"lfs"; |
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local hg = { }; |
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function hg.check_id(path) |
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if lfs.attributes(path, 'mode') ~= "directory" then |
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return nil, "not a directory"; |
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end |
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local hg_dirstate = io.open(path.."/.hg/dirstate"); |
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local hgid, hgrepo |
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if hg_dirstate then |
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hgid = ("%02x%02x%02x%02x%02x%02x"):format(hg_dirstate:read(6):byte(1, 6)); |
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hg_dirstate:close(); |
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local hg_changelog = io.open(path.."/.hg/store/00changelog.i"); |
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if hg_changelog then |
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hg_changelog:seek("set", 0x20); |
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hgrepo = ("%02x%02x%02x%02x%02x%02x"):format(hg_changelog:read(6):byte(1, 6)); |
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hg_changelog:close(); |
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end |
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else |
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local hg_archival,e = io.open(path.."/.hg_archival.txt"); |
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if hg_archival then |
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local repo = hg_archival:read("*l"); |
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local node = hg_archival:read("*l"); |
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hg_archival:close() |
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hgid = node and node:match("^node: (%x%x%x%x%x%x%x%x%x%x%x%x)") |
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hgrepo = repo and repo:match("^repo: (%x%x%x%x%x%x%x%x%x%x%x%x)") |
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end |
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end |
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return hgid, hgrepo; |
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end |
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return hg; |