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git/ci/run-linux32-build.sh
Johannes Schindelin 88dedd5e72 Travis: also test on 32-bit Linux
When Git v2.9.1 was released, it had a bug that showed only on Windows
and on 32-bit systems: our assumption that `unsigned long` can hold
64-bit values turned out to be wrong.

This could have been caught earlier if we had a Continuous Testing
set up that includes a build and test run on 32-bit Linux.

Let's do this (and take care of the Windows build later). This patch
asks Travis CI to install a Docker image with 32-bit libraries and then
goes on to build and test Git using this 32-bit setup.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-06 11:19:09 -08:00

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#!/bin/sh
#
# Build and test Git in a 32-bit environment
#
# Usage:
# run-linux32-build.sh [host-user-id]
#
# Update packages to the latest available versions
linux32 --32bit i386 sh -c '
apt update >/dev/null &&
apt install -y build-essential libcurl4-openssl-dev libssl-dev \
libexpat-dev gettext python >/dev/null
' &&
# If this script runs inside a docker container, then all commands are
# usually executed as root. Consequently, the host user might not be
# able to access the test output files.
# If a host user id is given, then create a user "ci" with the host user
# id to make everything accessible to the host user.
HOST_UID=$1 &&
CI_USER=$USER &&
test -z $HOST_UID || (CI_USER="ci" && useradd -u $HOST_UID $CI_USER) &&
# Build and test
linux32 --32bit i386 su -m -l $CI_USER -c '
cd /usr/src/git &&
make --jobs=2 &&
make --quiet test
'