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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit The current `package-upgrade' from package.el delete old package before installing the new one. This can be problematic if the user interrupt the process or if there is some network problems. Since `package-install' allow the same package to be installed if the argument is of `package-desc' type. We can use this to make package upgrade atomic by deferring `package-delete'. Related thread: https://lists.gnu.org/archive/html/emacs-devel/2023-07/msg00887.html ================================ In GNU Emacs 29.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.38,  cairo version 1.16.0) of 2023-07-25 built on sid Repository revision: 906ecf442c43da98e6b8c7488f549691901690e9 Repository branch: emacs-29 Windowing system distributor 'The X.Org Foundation', version 11.0.12101007 System Description: Debian GNU/Linux trixie/sid Configured using:  'configure --prefix=/usr/local --program-suffix=29  --build=amd64-linux-gnu --enable-gtk-deprecation-warnings  --enable-check-lisp-object-type --with-json --with-x-toolkit=gtk3  --with-xwidgets --with-x --with-mailutils --with-imagemagick  --with-native-compilation --with-file-notification=inotify  --with-tree-sitter' --------------y0GEEwaK0mDslHD0FvVBpdI9 Content-Type: text/plain; charset=UTF-8; name="package-upgrade--diff.txt" Content-Disposition: attachment; filename="package-upgrade--diff.txt" Content-Transfer-Encoding: base64 ZGlmZiAtdSAtLWxhYmVsIFwjXDxidWZmZXJcIHBhY2thZ2UuZWwuZ3pcPiAtLWxhYmVsIFwj XDxidWZmZXJcIFwqc2NyYXRjaFwqXD4gL3RtcC9idWZmZXItY29udGVudC00YXpRR1ogL3Rt cC9idWZmZXItY29udGVudC14OEZMcHQKLS0tICM8YnVmZmVyIHBhY2thZ2UuZWwuZ3o+Cisr KyAjPGJ1ZmZlciAqc2NyYXRjaCo+CkBAIC0yMjc1LDE2ICsyMjc1LDIwIEBACiBwYWNrYWdl IHVzaW5nIHRoaXMgY29tbWFuZCwgZmlyc3QgdXBncmFkZSB0aGUgcGFja2FnZSB0byBhCiBu ZXdlciB2ZXJzaW9uIGZyb20gRUxQQSBieSB1c2luZyBgXFw8cGFja2FnZS1tZW51LW1vZGUt bWFwPlxcW3BhY2thZ2UtbWVudS1tYXJrLWluc3RhbGxdJyBhZnRlciBgXFxbbGlzdC1wYWNr YWdlc10nLiIKICAgKGludGVyYWN0aXZlCi0gICAobGlzdCAoY29tcGxldGluZy1yZWFkCi0g ICAgICAgICAgIlVwZ3JhZGUgcGFja2FnZTogIiAocGFja2FnZS0tdXBncmFkZWFibGUtcGFj a2FnZXMpIG5pbCB0KSkpCi0gIChsZXQqICgocGFja2FnZSAoaWYgKHN5bWJvbHAgbmFtZSkK LSAgICAgICAgICAgICAgICAgICAgICBuYW1lCi0gICAgICAgICAgICAgICAgICAgIChpbnRl cm4gbmFtZSkpKQotICAgICAgICAgKHBrZy1kZXNjIChjYWRyIChhc3NxIHBhY2thZ2UgcGFj a2FnZS1hbGlzdCkpKSkKLSAgICAoaWYgKHBhY2thZ2UtdmMtcCBwa2ctZGVzYykKLSAgICAg ICAgKHBhY2thZ2UtdmMtdXBncmFkZSBwa2ctZGVzYykKLSAgICAgIChwYWNrYWdlLWRlbGV0 ZSBwa2ctZGVzYyAnZm9yY2UgJ2RvbnQtdW5zZWxlY3QpCi0gICAgICAocGFja2FnZS1pbnN0 YWxsIHBhY2thZ2UgJ2RvbnQtc2VsZWN0KSkpKQorICAgKGxpc3QgKGludGVybiAoY29tcGxl dGluZy1yZWFkCisgICAgICAgICAgICAgICAgICAiVXBncmFkZSBwYWNrYWdlOiAiIChwYWNr YWdlLS11cGdyYWRlYWJsZS1wYWNrYWdlcykgbmlsIHQpKSkpCisgIChsZXQqICgobmFtZSAo aWYgKHN5bWJvbHAgbmFtZSkKKyAgICAgICAgICAgICAgICAgICBuYW1lCisgICAgICAgICAg ICAgICAgIChpbnRlcm4gbmFtZSkpKQorICAgICAgICAgKG9sZC1wa2ctZGVzYyAoY2FkciAo YXNzcSBuYW1lIHBhY2thZ2UtYWxpc3QpKSkKKyAgICAgICAgIChuZXctcGtnLWRlc2MgKGNh ZHIgKGFzc3EgbmFtZSBwYWNrYWdlLWFyY2hpdmUtY29udGVudHMpKSkpCisgICAgKGlmIChw YWNrYWdlLXZjLXAgb2xkLXBrZy1kZXNjKQorICAgICAgICAocGFja2FnZS12Yy11cGdyYWRl IG9sZC1wa2ctZGVzYykKKyAgICAgICh1bndpbmQtcHJvdGVjdAorICAgICAgICAgIChwYWNr YWdlLWluc3RhbGwgbmV3LXBrZy1kZXNjICdkb250LXNlbGVjdCkKKyAgICAgICAgKGlmIChw YWNrYWdlLWluc3RhbGxlZC1wIChwYWNrYWdlLWRlc2MtbmFtZSBuZXctcGtnLWRlc2MpCisg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAocGFja2FnZS1kZXNjLXZlcnNpb24g bmV3LXBrZy1kZXNjKSkKKyAgICAgICAgICAgIChwYWNrYWdlLWRlbGV0ZSBvbGQtcGtnLWRl c2MgJ2ZvcmNlICdkb250LXVuc2VsZWN0KSkpKSkpCiAKIChkZWZ1biBwYWNrYWdlLS11cGdy YWRlYWJsZS1wYWNrYWdlcyAoKQogICA7OyBJbml0aWFsaXplIHRoZSBwYWNrYWdlIHN5c3Rl bSB0byBnZXQgdGhlIGxpc3Qgb2YgcGFja2FnZQoKRGlmZiBmaW5pc2hlZC4gIE1vbiBKdWwg MzEgMDg6MjI6NDYgMjAyMwo= --------------y0GEEwaK0mDslHD0FvVBpdI9--