Mercurial > hg
annotate tests/test-patch.t @ 26228:0fd20a71abdb
extdiff: add a --patch argument for diffing changeset deltas
One of the things I missed the most when transitioning from versioned MQ to
evolve was the loss of being able to check that rebase conflicts were properly
resolved by:
$ hg ci --mq -m "before"
$ hg rebase -s qbase -d tip
$ hg bcompare --mq
The old csets stay in the tree with evolve, but a straight diff includes all of
the other changes that were pulled in, obscuring the code that was rebased.
Diffing deltas can be confusing, but unless radical changes were made during the
resolve, it is very clear when individual hunks are added, dropped or modified.
Unlike the MQ technique, this can only compare a single pair of csets/patches at
a time. Like the MQ method, this also highlights changes in the commit comment
and other metadata.
I originally tried monkey patching from the evolve extension, but that is too
complicated given that it depends on the order the two different extensions are
loaded. This functionality is also useful when comparing grafts however, so
implementing it in the core is more than just convenience.
The --change argument doesn't make much sense for this, but it isn't harmful so
I didn't bother blocking it. The -I/-X options are ignored because of a
limitation of cmdutil.export(). We'll fix that next.
author | Matt Harbison <matt_harbison@yahoo.com> |
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date | Wed, 09 Sep 2015 21:07:38 -0400 |
parents | 0705f2ac79d6 |
children | 75be14993fda |
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1 $ cat > patchtool.py <<EOF |
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2 > import sys |
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3 > print 'Using custom patch' |
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4 > if '--binary' in sys.argv: |
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5 > print '--binary found !' |
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6 > EOF |
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7 |
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8 $ echo "[ui]" >> $HGRCPATH |
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9 $ echo "patch=python ../patchtool.py" >> $HGRCPATH |
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10 |
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11 $ hg init a |
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12 $ cd a |
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13 $ echo a > a |
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14 $ hg commit -Ama -d '1 0' |
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15 adding a |
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16 $ echo b >> a |
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17 $ hg commit -Amb -d '2 0' |
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18 $ cd .. |
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19 |
11815 | 20 This test checks that: |
21 - custom patch commands with arguments actually work | |
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22 - patch code does not try to add weird arguments like |
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23 --binary when custom patch commands are used. For instance |
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24 --binary is added by default under win32. |
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25 |
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26 check custom patch options are honored |
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27 |
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28 $ hg --cwd a export -o ../a.diff tip |
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29 $ hg clone -r 0 a b |
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30 adding changesets |
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31 adding manifests |
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32 adding file changes |
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33 added 1 changesets with 1 changes to 1 files |
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34 updating to branch default |
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35 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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36 |
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37 $ hg --cwd b import -v ../a.diff |
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38 applying ../a.diff |
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39 Using custom patch |
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40 applied to working directory |
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41 |
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42 Issue2417: hg import with # comments in description |
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43 |
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44 Prepare source repo and patch: |
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45 |
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46 $ rm $HGRCPATH |
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47 $ hg init c |
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48 $ cd c |
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49 $ printf "a\rc" > a |
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50 $ hg ci -A -m 0 a -d '0 0' |
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51 $ printf "a\rb\rc" > a |
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52 $ cat << eof > log |
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53 > first line which can't start with '# ' |
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54 > # second line is a comment but that shouldn't be a problem. |
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55 > A patch marker like this was more problematic even after d7452292f9d3: |
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56 > # HG changeset patch |
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57 > # User lines looks like this - but it _is_ just a comment |
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58 > eof |
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59 $ hg ci -l log -d '0 0' |
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60 $ hg export -o p 1 |
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61 $ cd .. |
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62 |
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63 Clone and apply patch: |
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64 |
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65 $ hg clone -r 0 c d |
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66 adding changesets |
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67 adding manifests |
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68 adding file changes |
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69 added 1 changesets with 1 changes to 1 files |
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70 updating to branch default |
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71 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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72 $ cd d |
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73 $ hg import ../c/p |
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74 applying ../c/p |
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75 $ hg log -v -r 1 |
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76 changeset: 1:cd0bde79c428 |
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77 tag: tip |
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78 user: test |
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79 date: Thu Jan 01 00:00:00 1970 +0000 |
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80 files: a |
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81 description: |
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82 first line which can't start with '# ' |
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83 # second line is a comment but that shouldn't be a problem. |
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84 A patch marker like this was more problematic even after d7452292f9d3: |
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85 # HG changeset patch |
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86 # User lines looks like this - but it _is_ just a comment |
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87 |
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88 |
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89 $ cd .. |