Mercurial > hg
annotate contrib/plan9/9diff @ 27752:29cfc474c5fd
changegroup3: introduce experimental.changegroup3 boolean config
In order to give us the freedom to change the changegroup3 format,
let's hide it behind an experimental config. Since it is required by
treemanifests, that will override the cg3 config.
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Tue, 12 Jan 2016 21:23:45 -0800 |
parents | f9262456fb01 |
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plan9: initial support for plan 9 from bell labs
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1 #!/bin/rc |
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2 # 9diff - Mercurial extdiff wrapper for diff(1) |
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3 |
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4 rfork e |
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5 |
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6 fn getfiles { |
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7 cd $1 && |
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8 for(f in `{du -as | awk '{print $2}'}) |
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9 test -f $f && echo `{cleanname $f} |
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Steven Stallion <sstallion@gmail.com>
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10 } |
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11 |
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12 fn usage { |
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13 echo >[1=2] usage: 9diff [diff options] parent child root |
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14 exit usage |
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15 } |
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16 |
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17 opts=() |
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18 while(~ $1 -*){ |
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19 opts=($opts $1) |
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Steven Stallion <sstallion@gmail.com>
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20 shift |
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21 } |
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22 if(! ~ $#* 3) |
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23 usage |
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Steven Stallion <sstallion@gmail.com>
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24 |
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Steven Stallion <sstallion@gmail.com>
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25 # extdiff will set the parent and child to a single file if there is |
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plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
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26 # only one change. If there are multiple changes, directories will be |
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Steven Stallion <sstallion@gmail.com>
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27 # set. diff(1) does not cope particularly with directories; instead we |
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plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
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28 # do the recursion ourselves and diff each file individually. |
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plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
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29 if(test -f $1) |
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Steven Stallion <sstallion@gmail.com>
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30 diff $opts $1 $2 |
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Steven Stallion <sstallion@gmail.com>
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31 if not{ |
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32 # extdiff will create a snapshot of the working copy to prevent |
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Steven Stallion <sstallion@gmail.com>
parents:
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33 # conflicts during the diff. We circumvent this behavior by |
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Steven Stallion <sstallion@gmail.com>
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34 # diffing against the repository root to produce plumbable |
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plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
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35 # output. This is antisocial. |
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plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
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36 for(f in `{sort -u <{getfiles $1} <{getfiles $2}}){ |
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plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
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37 file1=$1/$f; test -f $file1 || file1=/dev/null |
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plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
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38 file2=$3/$f; test -f $file2 || file2=/dev/null |
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plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
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39 diff $opts $file1 $file2 |
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plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
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40 } |
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Steven Stallion <sstallion@gmail.com>
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41 } |
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plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
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42 exit '' |