Mercurial > hg
annotate tests/test-custom-filters.t @ 41722:37b33c34bf4f
templatekw: add a {negrev} keyword
Revision numbers are getting much maligned for two reasons: they are
too long in large repos and users get confused by their local-only
nature. It just occurred to me that negative revision numbers avoid
both of those problems. Since negative revision numbers change
whenever the repo changes, it's much more obvious that they are a
local-only convenience. Additionally, for the recent commits that we
usually care about the most, negative revision numbers are always near
zero.
This commit adds a negrev templatekw to more easily expose negative
revision numbers. It's not easy to reliably produce this output with
existing keywords due to hidden commits while at the same time
ensuring good performance.
author | Jordi Gutiérrez Hermoso <jordigh@octave.org> |
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date | Fri, 15 Feb 2019 14:43:31 -0500 |
parents | ee9981bc8b44 |
children | 55c6ebd11cb9 |
rev | line source |
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1 $ hg init |
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2 |
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3 $ cat > .hg/hgrc <<EOF |
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4 > [extensions] |
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5 > prefixfilter = prefix.py |
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6 > [encode] |
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7 > *.txt = stripprefix: Copyright 2046, The Masters |
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8 > [decode] |
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9 > *.txt = insertprefix: Copyright 2046, The Masters |
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10 > EOF |
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11 |
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12 $ cat > prefix.py <<EOF |
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13 > from mercurial import error |
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14 > def stripprefix(s, cmd, filename, **kwargs): |
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15 > header = b'%s\n' % cmd |
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16 > if s[:len(header)] != header: |
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17 > raise error.Abort(b'missing header "%s" in %s' % (cmd, filename)) |
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18 > return s[len(header):] |
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19 > def insertprefix(s, cmd): |
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20 > return b'%s\n%s' % (cmd, s) |
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21 > def reposetup(ui, repo): |
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22 > repo.adddatafilter(b'stripprefix:', stripprefix) |
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23 > repo.adddatafilter(b'insertprefix:', insertprefix) |
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24 > EOF |
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25 |
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26 $ cat > .hgignore <<EOF |
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27 > .hgignore |
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28 > prefix.py |
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29 > prefix.pyc |
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30 > __pycache__/ |
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31 > EOF |
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32 |
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33 $ cat > stuff.txt <<EOF |
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34 > Copyright 2046, The Masters |
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35 > Some stuff to ponder very carefully. |
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36 > EOF |
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37 $ hg add stuff.txt |
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38 $ hg ci -m stuff |
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39 |
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40 Repository data: |
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41 |
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42 $ hg cat stuff.txt |
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43 Some stuff to ponder very carefully. |
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44 |
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45 Fresh checkout: |
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46 |
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47 $ rm stuff.txt |
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48 $ hg up -C |
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49 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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50 $ cat stuff.txt |
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51 Copyright 2046, The Masters |
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52 Some stuff to ponder very carefully. |
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53 $ echo "Very very carefully." >> stuff.txt |
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54 $ hg stat |
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55 M stuff.txt |
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56 |
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57 $ echo "Unauthorized material subject to destruction." > morestuff.txt |
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58 |
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59 Problem encoding: |
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60 |
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61 $ hg add morestuff.txt |
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62 $ hg ci -m morestuff |
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63 abort: missing header "Copyright 2046, The Masters" in morestuff.txt |
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64 [255] |
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65 $ hg stat |
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66 M stuff.txt |
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67 A morestuff.txt |