mutter/.gitlab-ci/install-meson-project.sh
Florian Müllner bcdab9d9c0 ci: Make --destdir option in install-meson-project cumulative
When building a system extension for GNOME OS, any extra
dependencies are needed both in the container (for building)
and the extension's destdir (for running).

Because of that, the --destdir flag that was added in commit
8aeb6dc86 does not only install to the specified directory
as expected, but also runs a second install step without
destdir (i.e. to the system).

However that behavior is not a good fit when we extend our
existing toolbox tooling to build system extensions for
Fedora instead of GNOME OS.

To account for that, make the --destdir option cumulative
and install the project to all provided destdirs (or /
if omitted).

This gives us the flexibility to install to the system, a
different destdir, or both:

```
 $ ./install-meson-project.sh  # install to system
 $ ./install-meson-project.sh --destdir /new/dest  # install to destdir
 $ ./install-meson-project.sh --destdir /new/dest --destdir /  # both
```

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/4075>
2024-10-15 14:06:24 +00:00

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#!/bin/bash
set -e
usage() {
cat <<-EOF
Usage: $(basename $0) [OPTION…] REPO_URL COMMIT
Check out and install a meson project
Options:
-Dkey=val Option to pass on to meson
--subdir=DIR Build subdirectory instead of whole project
--prepare=SCRIPT Script to run before build
--libdir=DIR Setup the project with a different libdir
--destdir=DIR Install the project to DIR, can be used
several times to install to multiple destdirs
-h, --help Display this help
EOF
}
TEMP=$(getopt \
--name=$(basename $0) \
--options='D:h' \
--longoptions='subdir:' \
--longoptions='prepare:' \
--longoptions='libdir:' \
--longoptions='destdir:' \
--longoptions='help' \
-- "$@")
eval set -- "$TEMP"
unset TEMP
MESON_OPTIONS=()
SUBDIR=.
PREPARE=:
DESTDIRS=()
while true; do
case "$1" in
-D)
MESON_OPTIONS+=( -D$2 )
shift 2
;;
--subdir)
SUBDIR=$2
shift 2
;;
--prepare)
PREPARE=$2
shift 2
;;
--libdir)
MESON_OPTIONS+=( --libdir=$2 )
shift 2
;;
--destdir)
DESTDIRS+=( $2 )
shift 2
;;
-h|--help)
usage
exit 0
;;
--)
shift
break
;;
esac
done
if [[ $# -lt 2 ]]; then
usage
exit 1
fi
REPO_URL="$1"
COMMIT="$2"
[[ ${#DESTDIRS[@]} == 0 ]] && DESTDIRS+=( / )
CHECKOUT_DIR=$(mktemp --directory)
trap "rm -rf $CHECKOUT_DIR" EXIT
git clone --depth 1 "$REPO_URL" -b "$COMMIT" "$CHECKOUT_DIR"
pushd "$CHECKOUT_DIR/$SUBDIR"
sh -c "$PREPARE"
meson setup --prefix=/usr _build "${MESON_OPTIONS[@]}"
# Install it to all specified dest dirs
for destdir in "${DESTDIRS[@]}"; do
# don't use --destdir when installing to root,
# so post-install hooks are run
[[ $destdir == / ]] && destdir=
sudo meson install -C _build ${destdir:+--destdir=$destdir}
done
popd