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dkim=pass header.i=@siemens.com header.s=selector2 header.b=la6OWvOv; arc=pass (i=1 spf=pass spfdomain=siemens.com dkim=pass dkdomain=siemens.com dmarc=pass fromdomain=siemens.com); spf=pass (google.com: domain of jan.kiszka@siemens.com designates 2a01:111:f403:2608::630 as permitted sender) smtp.mailfrom=jan.kiszka@siemens.com; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=siemens.com X-Original-From: Jan Kiszka Reply-To: Jan Kiszka Precedence: list Mailing-list: list isar-users@googlegroups.com; contact isar-users+owners@googlegroups.com List-ID: X-Spam-Checked-In-Group: isar-users@googlegroups.com X-Google-Group-Id: 914930254986 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , X-Spam-Status: No, score=-4.9 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,RCVD_IN_RP_CERTIFIED, RCVD_IN_RP_RNBL,RCVD_IN_RP_SAFE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on shymkent.ilbers.de X-TUID: iQzLuLCsGjTS On 16.11.24 12:12, 'Jan Kiszka' via isar-users wrote: > From: Jan Kiszka > > This recipe include shall simplify writing of initramfs hooks. It > provides the usual headers for the installation hook as well as the boot > scripts, allow to generate that code that installs executables and > modules into the image, but also supports expanding the scripts with own > snippets. > > Signed-off-by: Jan Kiszka > --- > .../initramfs-hook/files/hook-header.tmpl | 39 ++++++++++ > .../initramfs-hook/files/script-header.tmpl | 26 +++++++ > .../recipes-initramfs/initramfs-hook/hook.inc | 76 +++++++++++++++++++ > 3 files changed, 141 insertions(+) > create mode 100644 meta/recipes-initramfs/initramfs-hook/files/hook-header.tmpl > create mode 100644 meta/recipes-initramfs/initramfs-hook/files/script-header.tmpl > create mode 100644 meta/recipes-initramfs/initramfs-hook/hook.inc > > diff --git a/meta/recipes-initramfs/initramfs-hook/files/hook-header.tmpl b/meta/recipes-initramfs/initramfs-hook/files/hook-header.tmpl > new file mode 100644 > index 00000000..ee30d691 > --- /dev/null > +++ b/meta/recipes-initramfs/initramfs-hook/files/hook-header.tmpl > @@ -0,0 +1,39 @@ > +#!/bin/sh > +# > +# Copyright (c) Siemens AG, 2024 > +# > +# Authors: > +# Jan Kiszka > +# > +# SPDX-License-Identifier: MIT > +# > + > +set -e > + > +prereqs() > +{ > + echo "${HOOK_PREREQ}" > +} > + > +case $1 in > +prereqs) > + prereqs > + exit 0 > + ;; > +esac > + > +. /usr/share/initramfs-tools/hook-functions > + > +for module in ${HOOK_ADD_MODULES}; do > + manual_add_modules $module > +done > + > +for executable in ${HOOK_COPY_EXECS}; do > + if exec_path=$(command -v $executable 2>/dev/null); then > + copy_exec "$exec_path" > + else > + echo "(ERROR): Unable to copy $executable" >&2 > + exit 1 > + fi > +done > + > diff --git a/meta/recipes-initramfs/initramfs-hook/files/script-header.tmpl b/meta/recipes-initramfs/initramfs-hook/files/script-header.tmpl > new file mode 100644 > index 00000000..faa1a644 > --- /dev/null > +++ b/meta/recipes-initramfs/initramfs-hook/files/script-header.tmpl > @@ -0,0 +1,26 @@ > +#!/bin/sh > +# > +# Copyright (c) Siemens AG, 2024 > +# > +# Authors: > +# Jan Kiszka > +# > +# SPDX-License-Identifier: MIT > +# > + > +set -e > + > +prereqs() > +{ > + echo "${SCRIPT_PREREQ}" > +} > + > +case $1 in > +prereqs) > + prereqs > + exit 0 > + ;; > +esac > + > +. /scripts/functions > + > diff --git a/meta/recipes-initramfs/initramfs-hook/hook.inc b/meta/recipes-initramfs/initramfs-hook/hook.inc > new file mode 100644 > index 00000000..b0e7c66c > --- /dev/null > +++ b/meta/recipes-initramfs/initramfs-hook/hook.inc > @@ -0,0 +1,76 @@ > +# > +# Copyright (c) Siemens AG, 2024 > +# > +# Authors: > +# Jan Kiszka > +# > +# SPDX-License-Identifier: MIT > +# > + > +FILESPATH:append := ":${FILE_DIRNAME}/files" > + > +inherit dpkg-raw > + > +SRC_URI = " \ > + file://hook-header.tmpl \ > + file://script-header.tmpl" > + > +TEMPLATE_FILES = " \ > + hook-header.tmpl \ > + script-header.tmpl" > + > +TEMPLATE_VARS:append = " \ > + HOOK_PREREQ \ > + HOOK_ADD_MODULES \ > + HOOK_COPY_EXECS \ > + SCRIPT_PREREQ" > + > +HOOK_PREREQ ?= "" > +HOOK_ADD_MODULES ?= "" > +HOOK_COPY_EXECS ?= "" > +SCRIPT_PREREQ ?= "" > + > +DEBIAN_DEPENDS = "initramfs-tools" > + > +def get_initramfs_hook_name(d): > + name = d.getVar('BPN') > + if name.startswith("initramfs-"): > + name = name[10:] > + if name.endswith("-hook"): > + name = name[:-5] > + return name > + > +INITRAMFS_HOOK_NAME ?= "${@get_initramfs_hook_name(d)}" > + > +do_install() { > + if [ -f "${WORKDIR}/hook" ] || [ -n "${HOOK_COPY_EXECS}" ] || \ > + [ -n "${HOOK_ADD_MODULES}" ]; then > + rm -rf "${D}/usr/share/initramfs-tools/hooks" > + install -d -m 0755 "${D}/usr/share/initramfs-tools/hooks" > + > + install -m 0755 "${WORKDIR}/hook-header" \ > + "${D}/usr/share/initramfs-tools/hooks/${INITRAMFS_HOOK_NAME}" > + if [ -f "${WORKDIR}/hook" ]; then > + cat "${WORKDIR}/hook" >> \ > + "${D}/usr/share/initramfs-tools/hooks/${INITRAMFS_HOOK_NAME}" > + else > + echo "exit 0" >> \ > + "${D}/usr/share/initramfs-tools/hooks/${INITRAMFS_HOOK_NAME}" > + fi > + fi > + > + for script in init-top init-premount local-top nfs-top local-block \ > + local-premount nfs-premount local-bottom nfs-bottom \ > + init-bottom; do > + if [ ! -f "${WORKDIR}/$script" ]; then > + continue > + fi > + > + rm -rf "${D}/usr/share/initramfs-tools/scripts/$script" > + install -d -m 0755 "${D}/usr/share/initramfs-tools/scripts/$script" > + install -m 0755 "${WORKDIR}/script-header" \ > + "${D}/usr/share/initramfs-tools/scripts/$script/${INITRAMFS_HOOK_NAME}" > + cat "${WORKDIR}/$script" >> \ > + "${D}/usr/share/initramfs-tools/scripts/$script/${INITRAMFS_HOOK_NAME}" > + done > +} OK, will need v5: Unconditionally adding a script header is too inflexible. There are cases where the users are better of providing a complete script themselves, e.g. when the PREREQ are function-generated or when there are multiple boot scripts at multiple stages in the same recipe with different PREREQs. We need an opt-out. Jan -- Siemens AG, Technology Linux Expert Center -- You received this message because you are subscribed to the Google Groups "isar-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to isar-users+unsubscribe@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/isar-users/2ce9a4f4-b899-48bf-b9fe-018dfdc6ff8c%40siemens.com.