1 #!/bin/bash
2 #
3 # Copyright 2022 The Go Authors. All rights reserved.
4 # Use of this source code is governed by a BSD-style
5 # license that can be found in the LICENSE file.
6 #
7 # Creates a zip file containing all numbered versions
8 # of the commit history of a large source file, for use
9 # as input data for the tests of the diff algorithm.
10 #
11 # Run script from root of the x/tools repo.
12
13 set -eu
14
15 # WARNING: This script will install the latest version of $file
16 # The largest real source file in the x/tools repo.
17 # file=internal/golang/completion/completion.go
18 # file=internal/golang/diagnostics.go
19 file=internal/protocol/tsprotocol.go
20
21 tmp=$(mktemp -d)
22 git log $file |
23 awk '/^commit / {print $2}' |
24 nl -ba -nrz |
25 while read n hash; do
26 git checkout --quiet $hash $file
27 cp -f $file $tmp/$n
28 done
29 (cd $tmp && zip -q - *) > testdata.zip
30 rm -fr $tmp
31 git restore --staged $file
32 git restore $file
33 echo "Created testdata.zip"
34
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