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Fri, 12 Sep 2025 03:33:42 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/223300 From: Chen Qi When users specify some package in IMAGE_INSTALL, but get some error at rootfs time, the user might be confusing. This usually happens when the user puts a recipe name in IMAGE_INSTALL. To helper user understand more about what's going on, add a common function here which makes use of pkgdata data to give the possible reason about a missing package. This function is expected to be used by package backends such as rpm. Signed-off-by: Chen Qi --- meta/lib/oe/package_manager/__init__.py | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/meta/lib/oe/package_manager/__init__.py b/meta/lib/oe/package_manager/__init__.py index 5c98a104be..88bc5ab195 100644 --- a/meta/lib/oe/package_manager/__init__.py +++ b/meta/lib/oe/package_manager/__init__.py @@ -17,6 +17,7 @@ import oe.utils import oe.path import string from oe.gpg_sign import get_signer +import oe.packagedata import hashlib import fnmatch @@ -447,6 +448,27 @@ class PackageManager(object, metaclass=ABCMeta): return res return _append(uris, base_paths) + def get_missing_pkg_reason(self, pkg): + """ + Return a string describing the possible reason of a missing package. + """ + reason = "" + if not oe.packagedata.packaged(pkg, self.d): + if oe.packagedata.has_pkgdata(pkg, self.d): + packaged_pkgs = [] + recipe_data = oe.packagedata.read_pkgdata(pkg, self.d) + for subpkg in recipe_data.get("PACKAGES", "").split(): + if oe.packagedata.packaged(subpkg, self.d): + packaged_pkgs.append(subpkg) + reason = "%s is a recipe. Its generated packages are: %s\n" % (pkg, packaged_pkgs) + reason += "Either specify a generated package or set ALLOW_EMPTY:${PN} = \"1\" in %s recipe\n" % pkg + else: + reason = "%s is neither a recipe nor a generated package.\n" % pkg + else: + reason = "%s is a generated package.\n" % pkg + reason += "The reason it's not found might be that it's not in %s\n" % oe.path.join(self.d.getVar('WORKDIR'), "oe-rootfs-repo") + return reason + def create_packages_dir(d, subrepo_dir, deploydir, taskname, filterbydependencies, include_self=False): """ Go through our do_package_write_X dependencies and hardlink the packages we depend From patchwork Fri Sep 12 03:33:23 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ChenQi X-Patchwork-Id: 70054 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D976CAC592 for ; 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Fri, 12 Sep 2025 03:33:42 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/223301 From: Chen Qi Unmatched package error is a common error at rootfs. We want to give out more useful information to user. Before this change, if some user specifiy IMAGE_INSTALL += "catch2", the error message will be like: No match for argument: catch2 Error: Unable to find a match: catch2 With this patch, the error message will be like: No match for argument: catch2 Error: Unable to find a match: catch2 catch2 is a recipe. Its generated packages are: ['catch2-src', 'catch2-dbg', 'catch2-staticdev', 'catch2-dev', 'catch2-doc'] Either specify a generated package or set ALLOW_EMPTY:${PN} = "1" in catch2 recipe Signed-off-by: Chen Qi --- meta/lib/oe/package_manager/rpm/__init__.py | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/meta/lib/oe/package_manager/rpm/__init__.py b/meta/lib/oe/package_manager/rpm/__init__.py index 323ec5008f..20e6cb8744 100644 --- a/meta/lib/oe/package_manager/rpm/__init__.py +++ b/meta/lib/oe/package_manager/rpm/__init__.py @@ -330,8 +330,15 @@ class RpmPM(PackageManager): return output except subprocess.CalledProcessError as e: if print_output: + e_output = e.output.decode("utf-8") + extra_info = "" + if "install" in dnf_args: + if "Error: Unable to find a match:" in e_output: + no_match_pkgs = re.search(r'Error: Unable to find a match: ([a-z0-9+\-\._\s]+)', e_output).group(1).split() + for pkg in no_match_pkgs: + extra_info += self.get_missing_pkg_reason(pkg) (bb.note, bb.fatal)[fatal]("Could not invoke dnf. Command " - "'%s' returned %d:\n%s" % (' '.join(cmd), e.returncode, e.output.decode("utf-8"))) + "'%s' returned %d:\n%s%s" % (' '.join(cmd), e.returncode, e_output, extra_info)) else: (bb.note, bb.fatal)[fatal]("Could not invoke dnf. 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Fri, 12 Sep 2025 03:33:42 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/223302 From: Chen Qi Give out useful information when a package could not be matched. Before the change: E: Package 'catch2' has no installation candidate With this patch: E: Package 'catch2' has no installation candidate catch2 is a recipe. Its generated packages are: ['catch2-src', 'catch2-dbg', 'catch2-staticdev', 'catch2-dev', 'catch2-doc'] Either specify a generated package or set ALLOW_EMPTY:${PN} = "1" in catch2 recipe Signed-off-by: Chen Qi --- meta/lib/oe/package_manager/deb/__init__.py | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/meta/lib/oe/package_manager/deb/__init__.py b/meta/lib/oe/package_manager/deb/__init__.py index e09e81e490..eb48f3f982 100644 --- a/meta/lib/oe/package_manager/deb/__init__.py +++ b/meta/lib/oe/package_manager/deb/__init__.py @@ -244,9 +244,19 @@ class DpkgPM(OpkgDpkgPM): output = subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT) bb.note(output.decode("utf-8")) except subprocess.CalledProcessError as e: + e_output = e.output.decode("utf-8") + extra_info = "" + for e_line in e_output.split('\n'): + if 'has no installation candidate' in e_line or 'Unable to locate package' in e_line: + match = re.search(r"E: Package '([a-z0-9+\-\._]+)' has no installation candidate", e_line) + if match: + pkg = match.group(1) + else: + pkg = re.search(r"E: Unable to locate package ([a-z0-9+\-\._]+)", e_line).group(1) + extra_info += self.get_missing_pkg_reason(pkg) (bb.fatal, bb.warn)[attempt_only]("Unable to install packages. 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Fri, 12 Sep 2025 03:33:52 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/223303 From: Chen Qi Give out useful information when a package could not be matched. Before the change: error: opkg_solver_install: No candidates to install catch2 (null)! With this patch: error: opkg_solver_install: No candidates to install catch2 (null)! ... catch2 is a recipe. Its generated packages are: ['catch2-src', 'catch2-dbg', 'catch2-staticdev', 'catch2-dev', 'catch2-doc'] Either specify a generated package or set ALLOW_EMPTY:${PN} = "1" in catch2 recipe Signed-off-by: Chen Qi --- meta/lib/oe/package_manager/ipk/__init__.py | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/meta/lib/oe/package_manager/ipk/__init__.py b/meta/lib/oe/package_manager/ipk/__init__.py index 3d998e52ff..4794f31f88 100644 --- a/meta/lib/oe/package_manager/ipk/__init__.py +++ b/meta/lib/oe/package_manager/ipk/__init__.py @@ -307,9 +307,21 @@ class OpkgPM(OpkgDpkgPM): if failed_pkgs: failed_postinsts_abort(failed_pkgs, self.d.expand("${T}/log.do_${BB_CURRENTTASK}")) except subprocess.CalledProcessError as e: + e_output = e.output.decode("utf-8") + extra_info = "" + unmatched_pkgs = [] + for e_line in e_output.split('\n'): + if "error: opkg_solver_install: No candidates to install" in e_line: + unmatched_pkg = re.search(r"error: opkg_solver_install: No candidates to install ([a-z0-9+\-\._]+)", e_line).group(1) + unmatched_pkgs.append(unmatched_pkg) + elif "error: opkg_prepare_url_for_install: Couldn't find anything to satisfy" in e_line: + unmatched_pkg = re.search(r"error: opkg_prepare_url_for_install: Couldn't find anything to satisfy '([a-z0-9+\-\._]+)'", e_line).group(1) + unmatched_pkgs.append(unmatched_pkg) + for pkg in unmatched_pkgs: + extra_info += self.get_missing_pkg_reason(pkg) (bb.fatal, bb.warn)[attempt_only]("Unable to install packages. " - "Command '%s' returned %d:\n%s" % - (cmd, e.returncode, e.output.decode("utf-8"))) + "Command '%s' returned %d:\n%s%s" % + (cmd, e.returncode, e_output, extra_info)) def remove(self, pkgs, with_dependencies=True): if not pkgs: