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From: "Sam James" <sam@gentoo.org>
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Subject: [gentoo-commits] repo/gentoo:master commit in: app-portage/g-cpan/
X-VCS-Repository: repo/gentoo
X-VCS-Files: app-portage/g-cpan/g-cpan-0.18.0-r1.ebuild app-portage/g-cpan/g-cpan-0.18.0.ebuild app-portage/g-cpan/g-cpan-9999.ebuild
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Date: Sun,  3 Jul 2022 22:39:32 +0000 (UTC)
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commit:     6103e4eac8e4a07187cccc324a198a8ad0705c4e
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Sun Jul  3 22:39:22 2022 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Sun Jul  3 22:39:22 2022 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=6103e4ea

app-portage/g-cpan: add ewarn for recreating overlay/ebuilds

Bug: https://bugs.gentoo.org/819513
Signed-off-by: Sam James <sam <AT> gentoo.org>

 .../g-cpan/{g-cpan-0.18.0.ebuild => g-cpan-0.18.0-r1.ebuild} | 12 ++++++++++++
 app-portage/g-cpan/g-cpan-9999.ebuild                        | 12 ++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/app-portage/g-cpan/g-cpan-0.18.0.ebuild b/app-portage/g-cpan/g-cpan-0.18.0-r1.ebuild
similarity index 76%
rename from app-portage/g-cpan/g-cpan-0.18.0.ebuild
rename to app-portage/g-cpan/g-cpan-0.18.0-r1.ebuild
index 245e333b5463..d37683277b73 100644
--- a/app-portage/g-cpan/g-cpan-0.18.0.ebuild
+++ b/app-portage/g-cpan/g-cpan-0.18.0-r1.ebuild
@@ -57,7 +57,19 @@ src_install() {
 	keepdir /var/log/g-cpan
 }
 
+pkg_preinst() {
+	has_version "<app-portage/g-cpan-0.18.0-r1" && HAD_EAPI5_GCPAN=1
+}
+
 pkg_postinst() {
+	if [[ ${HAD_EAPI5_GCPAN:-0} -eq 1 ]] ; then
+		ewarn "Please re-create your overlay with generated g-cpan ebuilds!"
+		ewarn "The old ebuilds will use EAPI 5 and be incompatible with newer"
+		ewarn "Perl eclass changes. This newer version of g-cpan (0.18.0+)"
+		ewarn "generates EAPI 8 ebuilds without this problem, but it cannot"
+		ewarn "change existing ebuilds. See bug #819513."
+	fi
+
 	elog "If you want to use g-cpan as non root user you may wish to adjust"
 	elog "the permissions on /var/tmp/g-cpan or add users to the portage group."
 	elog "Please note that some CPAN packages need additional manual"

diff --git a/app-portage/g-cpan/g-cpan-9999.ebuild b/app-portage/g-cpan/g-cpan-9999.ebuild
index 245e333b5463..d37683277b73 100644
--- a/app-portage/g-cpan/g-cpan-9999.ebuild
+++ b/app-portage/g-cpan/g-cpan-9999.ebuild
@@ -57,7 +57,19 @@ src_install() {
 	keepdir /var/log/g-cpan
 }
 
+pkg_preinst() {
+	has_version "<app-portage/g-cpan-0.18.0-r1" && HAD_EAPI5_GCPAN=1
+}
+
 pkg_postinst() {
+	if [[ ${HAD_EAPI5_GCPAN:-0} -eq 1 ]] ; then
+		ewarn "Please re-create your overlay with generated g-cpan ebuilds!"
+		ewarn "The old ebuilds will use EAPI 5 and be incompatible with newer"
+		ewarn "Perl eclass changes. This newer version of g-cpan (0.18.0+)"
+		ewarn "generates EAPI 8 ebuilds without this problem, but it cannot"
+		ewarn "change existing ebuilds. See bug #819513."
+	fi
+
 	elog "If you want to use g-cpan as non root user you may wish to adjust"
 	elog "the permissions on /var/tmp/g-cpan or add users to the portage group."
 	elog "Please note that some CPAN packages need additional manual"