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doc&tools: Add murge script, for analyzing 3 way conflicts.

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-08-18 18:45:23 +02:00
parent ebb9a320d7
commit 360d3f3c18
2 changed files with 15 additions and 0 deletions
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4
doc/libav-merge.txt
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@ -103,6 +103,10 @@ It has two modes: merge, and noop. The noop mode creates a merge with no change
to the HEAD. You can pass a hash as extra argument to reference a justification
(it is common that we already have the change done in FFmpeg).
Also see tools/murge, you can copy and paste a 3 way conflict into its stdin
and it will display colored diffs. Any arguments to murge (like ones to suppress
whitespace differences) are passed into colordiff.
TODO/FIXME/UNMERGED
===================

11
tools/murge Executable file
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@ -0,0 +1,11 @@
#!/bin/sh
grep -A99999 '^<<<<<<<' | grep -B99999 '^>>>>>>>' >murge.X
grep -A99999 '^====' murge.X | egrep -v '^(=======|<<<<<<<|>>>>>>>|\|\|\|\|\|\|\|)' >murge.theirs
grep -B99999 '^||||' murge.X | egrep -v '^(=======|<<<<<<<|>>>>>>>|\|\|\|\|\|\|\|)' >murge.ours
grep -B99999 '^====' murge.X | grep -A99999 '^||||' | egrep -v '^(=======|<<<<<<<|>>>>>>>|\|\|\|\|\|\|\|)' >murge.common
colordiff -du $* murge.ours murge.theirs
grep . murge.common > /dev/null && colordiff -du $* murge.common murge.theirs
grep . murge.common > /dev/null && colordiff -du $* murge.common murge.ours
rm murge.theirs murge.common murge.ours murge.X