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Only run JIT formatting job if there are JIT changes #61632

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Nov 16, 2021
Merged

Only run JIT formatting job if there are JIT changes #61632

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3 changes: 3 additions & 0 deletions eng/pipelines/common/evaluate-default-paths.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -99,6 +99,9 @@ jobs:
- src/coreclr/vm/*
exclude:
- '*'
- subset: coreclr_jit
include:
- src/coreclr/jit/*
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I presume this means all files in the jit directory and all subdirectories of the jit directory?

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looks like it.

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Yes. If you want to know more about how this works, here is the summary of how it works:

runtime/eng/pipelines/evaluate-changed-paths.sh

Lines 2 to 17 in d471a03

: '
Scenarios:
1. exclude paths are specified
Will include all paths except the ones in the exclude list.
2. include paths are specified
Will only include paths specified in the list.
3. exclude + include:
1st we evaluate changes for all paths except ones in excluded list. If we can not find
any applicable changes like that, then we evaluate changes for incldued paths
if any of these two finds changes, then a variable will be set to true.
In order to consume this variable in a yaml pipeline, reference it via: $[ dependencies.<JobName>.outputs["<StepName>_<subset>.containschange"] ]
Example:
-difftarget ''HEAD^1'' -subset coreclr -includepaths ''src/libraries/System.Private.CoreLib/*'' -excludepaths ''src/libraries/*+src/installer/*''
This example will include ALL path changes except the ones under src/libraries/*!System.Private.CoreLib/*

And this is the logic that takes care of that:

runtime/eng/pipelines/evaluate-changed-paths.sh

Lines 132 to 183 in d471a03

probePaths() {
local _subset=$subset_name
local _azure_devops_var_name=$azure_variable
local exclude_path_string=""
local include_path_string=""
local found_applying_changes=false
if [[ ${#exclude_paths[@]} -gt 0 ]]; then
echo ""
echo "******* Probing $_subset exclude paths *******";
for _path in "${exclude_paths[@]}"; do
echo "$_path"
if [[ "$exclude_path_string" == "" ]]; then
exclude_path_string=":!$_path"
else
exclude_path_string="$exclude_path_string :!$_path"
fi
done
if ! probePathsWithExitCode $exclude_path_string; then
found_applying_changes=true
printMatchedPaths $exclude_path_string
fi
fi
if [[ $found_applying_changes != true && ${#include_paths[@]} -gt 0 ]]; then
echo ""
echo "******* Probing $_subset include paths *******";
for _path in "${include_paths[@]}"; do
echo "$_path"
if [[ "$include_path_string" == "" ]]; then
include_path_string=":$_path"
else
include_path_string="$include_path_string :$_path"
fi
done
if ! probePathsWithExitCode $include_path_string; then
found_applying_changes=true
printMatchedPaths $include_path_string
fi
fi
if [[ $found_applying_changes == true ]]; then
echo ""
echo "Setting pipeline variable $_azure_devops_var_name=true"
Write-PipelineSetVariable -name $_azure_devops_var_name -value true
else
echo ""
echo "No changed files for $_subset"
fi
}


- ${{ if ne(parameters.extraSubsets, '') }}:
- ${{ parameters.extraSubsets }}
2 changes: 1 addition & 1 deletion eng/pipelines/runtime.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -193,7 +193,7 @@ jobs:
eq(variables['Build.SourceBranchName'], 'main'),
eq(variables['System.PullRequest.TargetBranch'], 'main')),
or(
eq(dependencies.evaluate_paths.outputs['SetPathVars_coreclr.containsChange'], true),
eq(dependencies.evaluate_paths.outputs['SetPathVars_coreclr_jit.containsChange'], true),
eq(variables['isFullMatrix'], true)))

# Build and test clr tools
Expand Down