docs: Add example for sharing tests across repositories#2
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docs: Add example for sharing tests across repositories#2
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This commit adds a new subsection to `examples.rst` explaining how to share tests across different repositories using tmt.
mcasquer
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Sep 16, 2025
…Mode (teemtee#4025) There is a hack which TF uses to exclude packages from installation: ``` prepare: - how: install exclude: - curl-minimal - libcurl-minimal ``` While it is correctly skipped in Package Mode: ``` prepare task #2: default-0 on default-0 how: install prepare task #3... ``` In Image Mode it throws the next error: ``` prepare task #2: default-0 on default-0 how: install package: building container image with dependencies warn: Installation failed, trying again after metadata refresh. package: building container image with dependencies package: switching to new image localhost/tmt/bootc/98d6fbdf-87c5-45d9-9bf2-d57a7ad7a065 package: rebooting to apply new image package: building container image with dependencies fail: Command 'podman build -t localhost/tmt/bootc/71da0589-8b12-4642-a548-8ef063ba2524 -f tmp.sYftMCdBvD/Containerfile /var/ARTIFACTS/work-all-no-buildrootj4t_5bzu/plans/all-no-buildroot/prepare' returned 125. ``` The reason is that the prepare step above doesn't trigger the `install` function of the `BootcEngine`, which leads to an empty `containerfile_directives` of the engine. The patch adds a check to see if `containerfile_directives` is empty and skips the build process completely in that case.
mcasquer
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Jan 19, 2026
Previously, SUPPORTED_DISTRO_PATTERNS was a
(shared) generator. That breaks use of fips prepare feature in multiple
plans within the same tmt run. Now SUPPORTED_DISTRO_PATTERS is just a
tuple and sharing has no negative effects.
Consider the following plan:
```
# reproducer.fmf
summary: Test plan
prepare:
- name: Enable FIPS mode
how: feature
fips: enabled
execute:
how: tmt
discover:
- how: shell
tests:
- name: sample-test
test: echo 'hello!'
/first:
/second:
```
Previously:
```
❯ tmt run plan --name /plans/reproducer discover provision --how minute --image rhel-10.1 prepare
/var/tmp/tmt/run-001
/plans/reproducer/first
discover
...
provision
....
summary: 1 guest provisioned
prepare
queued push task #1: push to default-0
push task #1: push to default-0
queued prepare task #1: essential-requires on default-0
queued prepare task #2: Enable FIPS mode on default-0
prepare task #1: essential-requires on default-0
how: install
summary: Install essential required packages
name: essential-requires
where: default-0
package: /usr/bin/python3 and /usr/bin/flock
prepare task #2: Enable FIPS mode on default-0
how: feature
name: Enable FIPS mode
Enable FIPS
queued pull task #1: pull from default-0
pull task #1: pull from default-0
summary: 2 preparations applied
/plans/reproducer/second
discover
...
provision
...
summary: 1 guest provisioned
prepare
queued push task #1: push to default-0
push task #1: push to default-0
queued prepare task #1: essential-requires on default-0
queued prepare task #2: Enable FIPS mode on default-0
prepare task #1: essential-requires on default-0
how: install
summary: Install essential required packages
name: essential-requires
where: default-0
package: /usr/bin/python3 and /usr/bin/flock
prepare task #2: Enable FIPS mode on default-0
how: feature
name: Enable FIPS mode
fail: FIPS prepare feature is supported on RHEL/CentOS-Stream 8, 9 or 10.
plan failed
The exception was caused by 1 earlier exceptions
Cause number 1:
prepare step failed
The exception was caused by 1 earlier exceptions
Cause number 1:
FIPS prepare feature is supported on RHEL/CentOS-Stream 8, 9 or 10.
```
This is because now `SUPPORTED_DISTRO_PATTERNS` is a generator now.
```
SUPPORTED_DISTRO_PATTERNS = (
re.compile(pattern)
for pattern in (r'Red Hat Enterprise Linux (8|9|10)', r'CentOS Stream (8|9|10)')
)
```
And the prepare phase of the first plan already takes the first pattern
and hence there is nothing useful left for the prepare phase of the
second plan.
Signed-off-by: Ondrej Moris <ondrej.moris@gmail.com>
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This commit adds a new subsection to
examples.rstexplaining how to share tests across different repositories using tmt.Pull Request Checklist