# Build and test Git in a 32-bit environment
#
# Usage:
-# run-linux32-build.sh [host-user-id]
+# run-linux32-build.sh <host-user-id>
#
-set -x
+set -ex
+
+if test $# -ne 1 || test -z "$1"
+then
+ echo >&2 "usage: run-linux32-build.sh <host-user-id>"
+ exit 1
+fi
# 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) &&
+# If a non 0 host user id is given, then create a user "ci" with that
+# user id to make everything accessible to the host user.
+HOST_UID=$1
+if test $HOST_UID -eq 0
+then
+ # Just in case someone does want to run the test suite as root.
+ CI_USER=root
+else
+ CI_USER=ci
+ if test "$(id -u $CI_USER 2>/dev/null)" = $HOST_UID
+ then
+ echo "user '$CI_USER' already exists with the requested ID $HOST_UID"
+ else
+ useradd -u $HOST_UID $CI_USER
+ fi
+
+ # Due to a bug the test suite was run as root in the past, so
+ # a prove state file created back then is only accessible by
+ # root. Now that bug is fixed, the test suite is run as a
+ # regular user, but the prove state file coming from Travis
+ # CI's cache might still be owned by root.
+ # Make sure that this user has rights to any cached files,
+ # including an existing prove state file.
+ test -n "$cache_dir" && chown -R $HOST_UID:$HOST_UID "$cache_dir"
+fi
# Build and test
linux32 --32bit i386 su -m -l $CI_USER -c '
- cd /usr/src/git &&
- make --jobs=2 &&
- make --quiet test
+ set -ex
+ cd /usr/src/git
+ test -n "$cache_dir" && ln -s "$cache_dir/.prove" t/.prove
+ make --jobs=2
+ make --quiet test
'