mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-07-06 09:55:46 +00:00
c5f9617b1c
The corresponding Bash script is dropped. After this patch's rewrite, the Makefile's original image listing target remains intact only to notify the user to use the Python helper instead. Signed-off-by: Erik Skultety <eskultet@redhat.com> Reviewed-by: Andrea Bolognani <abologna@redhat.com>
246 lines
8.5 KiB
Makefile
246 lines
8.5 KiB
Makefile
# -*- makefile -*-
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# vim: filetype=make
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# The root directory of the libvirt.git checkout
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CI_GIT_ROOT = $(shell git rev-parse --show-toplevel)
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# The root directory for all CI-related contents
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CI_ROOTDIR = $(CI_GIT_ROOT)/ci
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# The directory holding content on the host that we will
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# expose to the container.
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CI_SCRATCHDIR = $(CI_ROOTDIR)/scratch
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# The directory holding the clone of the git repo that
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# we will expose to the container
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CI_HOST_SRCDIR = $(CI_SCRATCHDIR)/src
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# The directory holding the source inside the
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# container, i.e. where we want to expose
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# the $(CI_HOST_SRCDIR) directory from the host
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CI_CONT_SRCDIR = $(CI_USER_HOME)/libvirt
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# Script containing build instructions
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CI_BUILD_SCRIPT = $(CI_ROOTDIR)/build.sh
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# Location of the container images we're going to pull
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# Can be useful to override to use a locally built
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# image instead
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CI_IMAGE_PREFIX = registry.gitlab.com/libvirt/libvirt/ci-
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# The default tag is ':latest' but if the container
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# repo above uses different conventions this can override it
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CI_IMAGE_TAG = :latest
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# We delete the virtual root after completion, set
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# to 0 if you need to keep it around for debugging
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CI_CLEAN = 1
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# We'll always freshly clone the virtual root each
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# time in case it was not cleaned up before. Set
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# to 1 if you want to try restarting a previously
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# preserved env
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CI_REUSE = 0
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# We need the user's login and home directory to prepare the
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# environment the way some programs expect it
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CI_USER_LOGIN = $(shell whoami)
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CI_USER_HOME = $(shell eval echo "~$(CI_USER_LOGIN)")
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# We also need the container process to run with current host IDs
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# so that it can access the passed in build directory
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CI_UID = $(shell id -u "$(CI_USER_LOGIN)")
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CI_GID = $(shell id -g "$(CI_USER_LOGIN)")
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CI_ENGINE = auto
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# Container engine we are going to use, can be overridden per make
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# invocation, if it is not we try podman and then default to docker.
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ifeq ($(CI_ENGINE),auto)
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override CI_ENGINE = $(shell podman version >/dev/null 2>&1 && echo podman || echo docker)
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endif
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# IDs you run as do not need to exist in
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# the container's /etc/passwd & /etc/group files, but
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# if they do not, then libvirt's 'ninja test' will fail
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# many tests.
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# We do not directly mount /etc/{passwd,group} as Docker
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# is liable to mess with SELinux labelling which will
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# then prevent the host accessing them. And podman cannot
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# relabel the files due to it running rootless. So
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# copying them first is safer and less error-prone.
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CI_PWDB_MOUNTS = \
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--volume $(CI_SCRATCHDIR)/group:/etc/group:ro,z \
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--volume $(CI_SCRATCHDIR)/passwd:/etc/passwd:ro,z \
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$(NULL)
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CI_HOME_MOUNTS = \
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--volume $(CI_SCRATCHDIR)/home:$(CI_USER_HOME):z \
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$(NULL)
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CI_SCRIPT_MOUNTS = \
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--volume $(CI_SCRATCHDIR)/build:$(CI_USER_HOME)/build:z \
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$(NULL)
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# Docker containers can have very large ulimits
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# for nofiles - as much as 1048576. This makes
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# libvirt very slow at exec'ing programs.
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CI_ULIMIT_FILES = 1024
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ifeq ($(CI_ENGINE),podman)
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# Podman cannot reuse host namespace when running non-root
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# containers. Until support for --keep-uid is added we can
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# just create another mapping that will do that for us.
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# Beware, that in {uid,git}map=container_id:host_id:range, the
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# host_id does actually refer to the uid in the first mapping
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# where 0 (root) is mapped to the current user and rest is
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# offset.
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#
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# In order to set up this mapping, we need to keep all the
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# user IDs to prevent possible errors as some images might
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# expect UIDs up to 90000 (looking at you fedora), so we don't
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# want the overflowuid to be used for them. For mapping all
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# the other users properly, some math needs to be done.
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# Don't worry, it's just addition and subtraction.
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#
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# 65536 ought to be enough (tm), but for really rare cases the
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# maximums might need to be higher, but that only happens when
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# your /etc/sub{u,g}id allow users to have more IDs. Unless
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# --keep-uid is supported, let's do this in a way that should
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# work for everyone.
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CI_MAX_UID = $(shell sed -n "s/^$(CI_USER_LOGIN):[^:]\+://p" /etc/subuid)
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CI_MAX_GID = $(shell sed -n "s/^$(CI_USER_LOGIN):[^:]\+://p" /etc/subgid)
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ifeq ($(CI_MAX_UID),)
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CI_MAX_UID = 65536
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endif
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ifeq ($(CI_MAX_GID),)
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CI_MAX_GID = 65536
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endif
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CI_UID_OTHER = $(shell echo $$(($(CI_UID)+1)))
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CI_GID_OTHER = $(shell echo $$(($(CI_GID)+1)))
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CI_UID_OTHER_RANGE = $(shell echo $$(($(CI_MAX_UID)-$(CI_UID))))
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CI_GID_OTHER_RANGE = $(shell echo $$(($(CI_MAX_GID)-$(CI_GID))))
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ifneq ($(CI_UID), 0)
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CI_PODMAN_ARGS = \
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--uidmap 0:1:$(CI_UID) \
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--uidmap $(CI_UID):0:1 \
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--uidmap $(CI_UID_OTHER):$(CI_UID_OTHER):$(CI_UID_OTHER_RANGE) \
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--gidmap 0:1:$(CI_GID) \
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--gidmap $(CI_GID):0:1 \
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--gidmap $(CI_GID_OTHER):$(CI_GID_OTHER):$(CI_GID_OTHER_RANGE) \
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$(NULL)
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endif
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endif
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# Args to use when cloning a git repo.
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# -c stop it complaining about checking out a random hash
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# -q stop it displaying progress info for local clone
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# --local ensure we don't actually copy files
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CI_GIT_ARGS = \
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-c advice.detachedHead=false \
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-q \
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--local \
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$(NULL)
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# Args to use when running the container
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# --rm stop inactive containers getting left behind
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# --user we execute as the same user & group account
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# as dev so that file ownership matches host
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# instead of root:root
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# --workdir we change to user's home dir in the container
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# before running the workload
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# --volume to pass in the cloned git repo & config
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# --ulimit lower files limit for performance reasons
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# --interactive
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# --tty Ensure we have ability to Ctrl-C the build
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CI_ENGINE_ARGS = \
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--rm \
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--interactive \
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--tty \
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--user "$(CI_UID)":"$(CI_GID)" \
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--workdir "$(CI_USER_HOME)" \
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--env CI_CONT_SRCDIR="$(CI_CONT_SRCDIR)" \
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--env CI_MESON_ARGS="$(CI_MESON_ARGS)" \
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--env CI_NINJA_ARGS="$(CI_NINJA_ARGS)" \
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$(CI_PODMAN_ARGS) \
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$(CI_PWDB_MOUNTS) \
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$(CI_HOME_MOUNTS) \
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$(CI_SCRIPT_MOUNTS) \
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--volume $(CI_HOST_SRCDIR):$(CI_CONT_SRCDIR):z \
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--ulimit nofile=$(CI_ULIMIT_FILES):$(CI_ULIMIT_FILES) \
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--cap-add=SYS_PTRACE \
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$(NULL)
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ci-check-engine:
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@echo -n "Checking if $(CI_ENGINE) is available..." && \
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$(CI_ENGINE) version 1>/dev/null && echo "yes"
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ci-prepare-tree: ci-check-engine
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@test "$(CI_REUSE)" != "1" && rm -rf $(CI_SCRATCHDIR) || :
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@if ! test -d $(CI_SCRATCHDIR) ; then \
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mkdir -p $(CI_SCRATCHDIR); \
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cp /etc/passwd $(CI_SCRATCHDIR); \
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cp /etc/group $(CI_SCRATCHDIR); \
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mkdir -p $(CI_SCRATCHDIR)/home; \
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cp "$(CI_BUILD_SCRIPT)" $(CI_SCRATCHDIR)/build; \
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chmod +x "$(CI_SCRATCHDIR)/build"; \
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echo "Cloning $(CI_GIT_ROOT) to $(CI_HOST_SRCDIR)"; \
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git clone $(CI_GIT_ARGS) $(CI_GIT_ROOT) $(CI_HOST_SRCDIR) || exit 1; \
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for mod in $$(git submodule | awk '{ print $$2 }' | sed -E 's,^../,,g') ; \
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do \
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test -f $(CI_GIT_ROOT)/$$mod/.git || continue ; \
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echo "Cloning $(CI_GIT_ROOT)/$$mod to $(CI_HOST_SRCDIR)/$$mod"; \
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git clone $(CI_GIT_ARGS) $(CI_GIT_ROOT)/$$mod $(CI_HOST_SRCDIR)/$$mod || exit 1; \
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done ; \
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fi
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ci-run-command@%: ci-prepare-tree
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$(CI_ENGINE) run \
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$(CI_ENGINE_ARGS) \
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$(CI_IMAGE_PREFIX)$*$(CI_IMAGE_TAG) \
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$(CI_COMMAND)
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@test "$(CI_CLEAN)" = "1" && rm -rf $(CI_SCRATCHDIR) || :
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ci-shell@%:
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$(MAKE) -C $(CI_ROOTDIR) ci-run-command@$* CI_COMMAND="/bin/bash"
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ci-build@%:
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$(MAKE) -C $(CI_ROOTDIR) ci-run-command@$* CI_COMMAND="$(CI_USER_HOME)/build"
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ci-test@%:
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$(MAKE) -C $(CI_ROOTDIR) ci-build@$* CI_NINJA_ARGS=test
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ci-help:
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@echo
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@echo
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@echo
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@echo " !!! PLEASE DON'T USE THIS DIRECTLY !!!"
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@echo
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@echo " Use the ci/helper script instead"
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@echo
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@echo " !!! PLEASE DON'T USE THIS DIRECTLY !!!"
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@echo
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@echo
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@echo
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@echo "Build libvirt inside containers used for CI"
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@echo
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@echo "Available targets:"
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@echo
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@echo " ci-build@\$$IMAGE - run a default 'ninja' build"
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@echo " ci-test@\$$IMAGE - run a 'ninja test'"
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@echo " ci-shell@\$$IMAGE - run an interactive shell"
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@echo " ci-help - show this help message"
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@echo
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@echo "Available make variables:"
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@echo
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@echo " CI_CLEAN=0 - do not delete '$(CI_SCRATCHDIR)' after completion"
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@echo " CI_REUSE=1 - re-use existing '$(CI_SCRATCHDIR)' content"
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@echo " CI_ENGINE=auto - container engine to use (podman, docker)"
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@echo " CI_USER_LOGIN= - which user should run in the container (default is $$USER)"
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@echo " CI_IMAGE_PREFIX= - override to prefer a locally built image, (default is $(CI_IMAGE_PREFIX))"
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@echo " CI_IMAGE_TAG=:latest - optionally use in conjunction with 'CI_IMAGE_PREFIX'"
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@echo " CI_MESON_ARGS= - extra arguments passed to meson"
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@echo " CI_NINJA_ARGS= - extra arguments passed to ninja"
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@echo
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