[tlu] Possible bug with package removal

[Bruno Voisin]

Twice now I experienced the same problem with package removal: on ARM Mac with macOS Big Sur, using the pretest version of MacTeX 2021 (and TeX Live Utility 1.47), I had installed dvips.x86_64-darwinlegacy and tex.x86_64-darwinlegacy for testing purposes. I then attempted to remove them using TLU's Remove button.

Everything seemed to work well on the tlmgr side, but TLU brought up a warning about failed removal. Here's the log


2021-03-04 14:01:31 +0000 Notice -[TLMMainWindowController removePackagesWithNames:force:][1392]	Beginning removal of
(
    "dvips.x86_64-darwinlegacy"
)
2021-03-04 14:01:31 +0000 Notice -[TLMAuthorizedOperation main][1392]	Checking code signature before running tlu_ipctask as root…
2021-03-04 14:01:31 +0000 Notice /usr/bin/codesign[1392]	/Applications/TeX/TeX Live Utility.app/Contents/MacOS/tlu_ipctask: valid on disk
/Applications/TeX/TeX Live Utility.app/Contents/MacOS/tlu_ipctask: satisfies its Designated Requirement
2021-03-04 14:01:31 +0000 Notice -[TLMAuthorizedOperation main][1392]	Signature was valid, okay to run tlu_ipctask
2021-03-04 14:01:39 +0000 Notice -[TLMAuthorizedOperation main][1392]	Invoking privileged task via AuthorizationExecuteWithPrivileges
2021-03-04 14:01:39 +0000 Notice tlu_ipctask[1656]	dropped privileges to user nobody
2021-03-04 14:01:40 +0000 Notice -[TLMAuthorizedOperation setWrapperPID:][1392]	tlu_ipctask checking in:  tlu_ipctask pid = 1656
2021-03-04 14:01:40 +0000 Notice -[TLMAuthorizedOperation setUnderlyingPID:][1392]	tlu_ipctask checking in: pid = 1657 (/Library/TeX/texbin/tlmgr remove dvips.x86_64-darwinlegacy)
2021-03-04 14:01:40 +0000 Notice tlu_ipctask[1656]	tlu_ipctask: child HOME = '/var/root'
2021-03-04 14:01:40 +0000 Notice tlu_ipctask[1656]	tlu_ipctask: current HOME = '/var/empty'
2021-03-04 14:01:41 +0000 Notice tlu_ipctask[1656]	tlmgr: saving backups to /usr/local/texlive/2021/tlpkg/backups
2021-03-04 14:01:41 +0000 Notice tlu_ipctask[1656]	[1/0, ??:??/??:??] remove: dvips.x86_64-darwinlegacy
2021-03-04 14:01:41 +0000 Notice tlu_ipctask[1656]	tlmgr: ultimately removed these packages: dvips.x86_64-darwinlegacy
2021-03-04 14:01:42 +0000 Notice tlu_ipctask[1656]	tlmgr: package log updated: /usr/local/texlive/2021/texmf-var/web2c/tlmgr.log
2021-03-04 14:01:42 +0000 Notice -[TLMAuthorizedOperation _runUntilChildExit][1392]	kqueue noted that pid 1657 exited (/Library/TeX/texbin/tlmgr remove dvips.x86_64-darwinlegacy)
2021-03-04 14:01:42 +0000 Notice tlu_ipctask[1656]	child process pid = 1657 exited
2021-03-04 14:01:43 +0000 Notice tlu_ipctask[1656]	exit status of pid = 1657 was 0
2021-03-04 14:01:43 +0000 Notice -[TLMAuthorizedOperation _runUntilChildExit][1392]	waitpid returned 1656, WIFEXITED(0) = 1, errno = 0 (No error)
2021-03-04 14:01:43 +0000 Notice -[TLMAuthorizedOperation _runUntilChildExit][1392]	kqueue noted that tlu_ipctask (pid = 1656) exited with status 0
2021-03-04 14:01:43 +0000 Notice -[TLMRemoveOperation main][1392]	ERROR: failed to remove packages {(
    "dvips.x86_64-darwinlegacy"
)} (requested removal of (
    "dvips.x86_64-darwinlegacy"
))


and a screenshot is attached (from another attempt, the log is for dvips.x86_64-darwinlegacy, while the screenshot is for tex.x86_64-darwinlegacy after removing the directory bin/x86_64-darwinlegacy manually hence the message about missing dir).

Two indications that things worked OK on the tlmgr side and he problem seems to be with TLU:

- /usr/local/texlive/2021/texmf-var/web2c/tlmgr.log contains

	[Wed Mar  3 10:27:35 2021] install: tex.x86_64-darwinlegacy
	[Wed Mar  3 10:29:05 2021] install: dvips.x86_64-darwinlegacy
	[Thu Mar  4 15:01:41 2021] remove: dvips.x86_64-darwinlegacy
	[Wed Mar 10 06:06:41 2021] remove: tex.x86_64-darwinlegacy

- Quitting TLU after the "failed" removal and starting it up again, the removed package is marked as "Not installed" and is no longer mentioned in /usr/local/texlive/2021/tlpkg/texlive.tlpdb.

Bruno Voisin


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