diff options
Diffstat (limited to 'meta/classes/rm_work.bbclass')
| -rw-r--r-- | meta/classes/rm_work.bbclass | 127 |
1 files changed, 111 insertions, 16 deletions
diff --git a/meta/classes/rm_work.bbclass b/meta/classes/rm_work.bbclass index 303d47dd73..badeaeba07 100644 --- a/meta/classes/rm_work.bbclass +++ b/meta/classes/rm_work.bbclass @@ -5,30 +5,51 @@ # # INHERIT += "rm_work" # +# To inhibit rm_work for some recipes, specify them in RM_WORK_EXCLUDE. +# For example, in conf/local.conf: +# +# RM_WORK_EXCLUDE += "icu-native icu busybox" +# +# Recipes can also configure which entries in their ${WORKDIR} +# are preserved besides temp, which already gets excluded by default +# because it contains logs: +# do_install_append () { +# echo "bar" >${WORKDIR}/foo +# } +# RM_WORK_EXCLUDE_ITEMS += "foo" +RM_WORK_EXCLUDE_ITEMS = "temp" -# Use the completion scheulder by default when rm_work is active +# Use the completion scheduler by default when rm_work is active # to try and reduce disk usage BB_SCHEDULER ?= "completion" -RMWORK_ORIG_TASK := "${BB_DEFAULT_TASK}" -BB_DEFAULT_TASK = "rm_work_all" +# Run the rm_work task in the idle scheduling class +BB_TASK_IONICE_LEVEL_task-rm_work = "3.0" do_rm_work () { + # If the recipe name is in the RM_WORK_EXCLUDE, skip the recipe. + for p in ${RM_WORK_EXCLUDE}; do + if [ "$p" = "${PN}" ]; then + bbnote "rm_work: Skipping ${PN} since it is in RM_WORK_EXCLUDE" + exit 0 + fi + done + cd ${WORKDIR} for dir in * do - if [ `basename ${S}` = $dir ]; then - rm -rf $dir - # The package and packages-split directories are retained by sstate for - # do_package so we retain them here too. Anything in sstate 'plaindirs' - # should be retained. Also retain logs and other files in temp. - elif [ $dir != 'temp' ] && [ $dir != 'package' ] && [ $dir != 'packages-split' ]; then + # Retain only logs and other files in temp, safely ignore + # failures of removing pseudo folers on NFS2/3 server. + if [ $dir = 'pseudo' ]; then + rm -rf $dir 2> /dev/null || true + elif ! echo '${RM_WORK_EXCLUDE_ITEMS}' | grep -q -w "$dir"; then rm -rf $dir fi done + # Need to add pseudo back or subsqeuent work in this workdir # might fail since setscene may not rerun to recreate it - mkdir ${WORKDIR}/pseudo/ + mkdir -p ${WORKDIR}/pseudo/ # Change normal stamps into setscene stamps as they better reflect the # fact WORKDIR is now empty @@ -36,13 +57,13 @@ do_rm_work () { cd `dirname ${STAMP}` for i in `basename ${STAMP}`* do - for j in ${SSTATETASKS} + for j in ${SSTATETASKS} do_shared_workdir do case $i in *do_setscene*) break ;; - *sigdata*) + *sigdata*|*sigbasedata*) i=dummy break ;; @@ -50,10 +71,23 @@ do_rm_work () { i=dummy break ;; + *do_rootfs*|*do_image*|*do_bootimg*|*do_bootdirectdisk*|*do_vmimg*|*do_write_qemuboot_conf*) + i=dummy + break + ;; *do_build*) i=dummy break ;; + # We remove do_package entirely, including any + # sstate version since otherwise we'd need to leave 'plaindirs' around + # such as 'packages' and 'packages-split' and these can be large. No end + # of chain tasks depend directly on do_package anymore. + *do_package|*do_package.*|*do_package_setscene.*) + rm -f $i; + i=dummy + break + ;; *_setscene*) i=dummy break @@ -68,10 +102,71 @@ do_rm_work () { rm -f $i done } -addtask rm_work after do_${RMWORK_ORIG_TASK} - do_rm_work_all () { - : + : } do_rm_work_all[recrdeptask] = "do_rm_work" -addtask rm_work_all after do_rm_work +do_rm_work_all[noexec] = "1" +addtask rm_work_all after before do_build + +do_populate_sdk[postfuncs] += "rm_work_populatesdk" +rm_work_populatesdk () { + : +} +rm_work_populatesdk[cleandirs] = "${WORKDIR}/sdk" + +do_image_complete[postfuncs] += "rm_work_rootfs" +rm_work_rootfs () { + : +} +rm_work_rootfs[cleandirs] = "${WORKDIR}/rootfs" + +# This task can be used instead of do_build to trigger building +# without also invoking do_rm_work. It only exists when rm_work.bbclass +# is active, otherwise do_build needs to be used. +# +# The intended usage is +# ${@ d.getVar('RM_WORK_BUILD_WITHOUT') or 'do_build'} +# in places that previously used just 'do_build'. +RM_WORK_BUILD_WITHOUT = "do_build_without_rm_work" +do_build_without_rm_work () { + : +} +do_build_without_rm_work[noexec] = "1" + +# We have to add these tasks already now, because all tasks are +# meant to be defined before the RecipeTaskPreProcess event triggers. +# The inject_rm_work event handler then merely changes task dependencies. +addtask do_rm_work +addtask do_build_without_rm_work +addhandler inject_rm_work +inject_rm_work[eventmask] = "bb.event.RecipeTaskPreProcess" +python inject_rm_work() { + if bb.data.inherits_class('kernel', d): + d.appendVar("RM_WORK_EXCLUDE", ' ' + d.getVar("PN")) + # If the recipe name is in the RM_WORK_EXCLUDE, skip the recipe. + excludes = (d.getVar("RM_WORK_EXCLUDE") or "").split() + pn = d.getVar("PN") + + # Determine what do_build depends upon, without including do_build + # itself or our own special do_rm_work_all. + deps = set(bb.build.preceedtask('do_build', True, d)) + deps.difference_update(('do_build', 'do_rm_work_all')) + + if pn in excludes: + d.delVarFlag('rm_work_rootfs', 'cleandirs') + d.delVarFlag('rm_work_populatesdk', 'cleandirs') + else: + # Inject do_rm_work into the tasks of the current recipe such that do_build + # depends on it and that it runs after all other tasks that block do_build, + # i.e. after all work on the current recipe is done. The reason for taking + # this approach instead of making do_rm_work depend on do_build is that + # do_build inherits additional runtime dependencies on + # other recipes and thus will typically run much later than completion of + # work in the recipe itself. + # In practice, addtask() here merely updates the dependencies. + bb.build.addtask('do_rm_work', 'do_build', ' '.join(deps), d) + + # Always update do_build_without_rm_work dependencies. + bb.build.addtask('do_build_without_rm_work', '', ' '.join(deps), d) +} |