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* [PATCH 0/2] t/lib-gpg: a gpgsm fix, a minor improvement, and a question
@ 2019-02-08  3:17 Todd Zullinger
  2019-02-08  3:17 ` [PATCH 1/2] t/lib-gpg: quote path to ${GNUPGHOME}/trustlist.txt Todd Zullinger
                   ` (3 more replies)
  0 siblings, 4 replies; 15+ messages in thread
From: Todd Zullinger @ 2019-02-08  3:17 UTC (permalink / raw)
  To: git; +Cc: Henning Schild


Looking through the build logs for the fedora git packages, I noticed it
was missing the GPGSM prereq.  I added the necessary package to the
build requirements but GPGSM was still failing to be set.  This turned
out to be due to a use of ${GNUPGHOME} without quoting, which leads to a
non-zero exit from echo and the end of the happy && chain when using
bash as the test shell.  Fixing this allows the GPGSM test prereq to be

While I was poking around I also saw an extra gpgconf call to kill
gpg-agent.  This was copied from the GPG block earlier in,
but should not be needed (as far as I can tell).  I don't think it can
cause any real harm apart from causing gpg and gpgsm to start the agent
more often than necessary.  But I didn't run the tests with the --stress
option to look for potential issues that could be more serious.

Lastly, the GPG test prereq was failing in two of the tests where it was
used, t5573-pull-verify-signatures and t7612-merge-verify-signatures.  I
tracked this down to an annoying issue with gnugp-2¹, which recently
became the default /bin/gpg in fedora².

Using gnupg2 as /bin/gpg means using gpg-agent by default.  When using a
non-standard GNUPGHOME, gpg-agent defaults to putting its socket files
in GNUPGHOME and fails if the path for any of them is longer than
sun_path (108 chars on linux, 104 on OpenBSD and FreeBSD, and likely
similar on other unices).

When building in the typical fedora build tool (mock), the path to the
git test dir is "/builddir/build/BUILD/git-2.20.1/t."  That path then
has "trash directory.$TEST_NAME$TEST_STRESS_JOB_SFX" appended and a
"gpghome" directory within.  For t5573 and t7612, the gpg-agent socket
path for S.gpg-agent.browser exceeds the sun_path limit and gpg-agent
fails to start.  Sadly, this is handled poorly by gpg and makes the
tests fail to set either the GPG or GPGSM prereqs.

For the fedora packages, I decided to pass --root=/tmp/git-t.XXXX (via
mktemp, of course) to the test suite which ensures a path short enough
to keep gpg-agent happy.

I don't know if there are other packagers or builders who run into this,
so maybe it's not worth much effort to try and have the test suite cope
better.  It took me longer than I would have liked to track it down, so
I thought I'd mention it in case anyone else has run into this or has
thoughts on how to improve while waiting for GnuPG to improve
this area.

A GIT_TEST_GNUPGHOME_ROOT var to set the root path for the GNUPGHOME
dirs in the tests is one thought I had, but didn't try to put it into
patch form.  Setting the --root test option is probably enough control
for most cases.


Todd Zullinger (2):
  t/lib-gpg: quote path to ${GNUPGHOME}/trustlist.txt
  t/lib-gpg: drop redundant killing of gpg-agent

 t/ | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)


^ permalink raw reply	[flat|nested] 15+ messages in thread

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Thread overview: 15+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-02-08  3:17 [PATCH 0/2] t/lib-gpg: a gpgsm fix, a minor improvement, and a question Todd Zullinger
2019-02-08  3:17 ` [PATCH 1/2] t/lib-gpg: quote path to ${GNUPGHOME}/trustlist.txt Todd Zullinger
2019-02-08 20:11   ` SZEDER Gábor
2019-02-08 20:25     ` Todd Zullinger
2019-02-08 20:35       ` SZEDER Gábor
2019-02-08  3:17 ` [PATCH 2/2] t/lib-gpg: drop redundant killing of gpg-agent Todd Zullinger
2019-02-08  8:33 ` [PATCH 0/2] t/lib-gpg: a gpgsm fix, a minor improvement, and a question Henning Schild
2019-02-08 18:04   ` Junio C Hamano
2019-02-09 14:06 ` SZEDER Gábor
2019-02-09 23:05   ` Todd Zullinger
2019-02-11 19:51     ` SZEDER Gábor
2019-02-14  6:32       ` Todd Zullinger
2019-02-12  0:44   ` Jeff King
2019-02-12  2:38     ` Junio C Hamano
2019-02-12  2:45     ` SZEDER Gábor list mirror (unofficial, one of many)

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