CMake/Utilities/Git/pre-commit
Brad King 773df0e2d7 Add pre-commit hook to check whether SetupForDevelopment must re-run
Add a version number to the `SetupForDevelopment.sh` script and use
a pre-commit hook to check when it changes.
2017-01-31 11:16:10 -05:00

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#!/usr/bin/env bash
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
die() {
echo 'pre-commit hook failure' 1>&2
echo '-----------------------' 1>&2
echo '' 1>&2
echo "$@" 1>&2
exit 1
}
#-------------------------------------------------------------------------------
line_too_long=80
bad=$(regex=".{$line_too_long}" &&
git diff-index --cached HEAD --name-only --diff-filter=AM \
--pickaxe-regex -S"$regex" -- 'Source/*.h' 'Source/*.cxx' |
while read file; do
lines_too_long=$(git diff-index -p --cached HEAD \
--pickaxe-regex -S"$regex" -- "$file")
if echo "$lines_too_long" | egrep -q '^\+'"$regex"; then
echo "$lines_too_long"
fi
done)
test -z "$bad" ||
die 'The following changes add lines too long for our C++ style:
'"$bad"'
Use lines strictly less than '"$line_too_long"' characters in C++ code.'
#-----------------------------------------------------------------------------
# Check that development setup is up-to-date.
lastSetupForDevelopment=$(git config --get hooks.SetupForDevelopment || echo 0)
eval $(grep '^SetupForDevelopment_VERSION=' "${BASH_SOURCE%/*}/../SetupForDevelopment.sh")
test -n "$SetupForDevelopment_VERSION" || SetupForDevelopment_VERSION=0
if test $lastSetupForDevelopment -lt $SetupForDevelopment_VERSION; then
die 'Developer setup in this work tree is out of date. Please re-run
Utilities/SetupForDevelopment.sh
'
fi
#-------------------------------------------------------------------------------
if test -z "$HOOKS_ALLOW_KWSYS"; then
# Disallow changes to KWSys
files=$(git diff-index --name-only --cached HEAD -- Source/kwsys) &&
if test -n "$files"; then
die 'Changes to KWSys files
'"$(echo "$files" | sed 's/^/ /')"'
should not be made directly in CMake. KWSys is kept in its own Git
repository and shared by several projects. Please visit
https://gitlab.kitware.com/utils/kwsys
to contribute changes directly to KWSys. Run
git reset HEAD -- Source/kwsys
to unstage these changes. Alternatively, set environment variable
HOOKS_ALLOW_KWSYS=1
to disable this check and commit the changes locally.'
fi
fi