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mruby-test: regenerate the per-gem test wrapper when a mrbgem.rake it is generated from changes #7160

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Merged
matz merged 1 commit into from
Aug 14, 2026
Merged

mruby-test: regenerate the per-gem test wrapper when a mrbgem.rake it is generated from changes #7160

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12 changes: 11 additions & 1 deletion mrbgems/mruby-test/mrbgem.rake
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Original file line number Diff line number Diff line change
Expand Up @@ -41,8 +41,18 @@ MRuby::Gem::Specification.new('mruby-test') do |spec|
mrbtest_objs << test_rbobj
dep_list = build.gems.tsort_dependencies([g.name], gem_table).select(&:generate_functions)

# The wrapper is generated from mrbgem.rake, not only from the test files:
# its body follows the gem's own test_rbfiles, test_preload and test_args,
# and it declares and calls the init/final function of every gem in
# dep_list, so an edit to the dependency graph of another gem changes it
# too. Track the rakefile of the gem and of each of its dependencies.
# (This tracks the test_preload path only; its contents stay untracked.)
gem_rakefiles = [g, *dep_list].map {|d| File.join(d.dir, "mrbgem.rake") }
.select {|f| File.exist?(f) }.uniq

file test_rbobj => g.test_rbireps
file g.test_rbireps => [g.test_rbfiles, build.mrbcfile].flatten do |t|
# __FILE__ holds the generator itself, as in the mrbtest.c rule below.
file g.test_rbireps => [g.test_rbfiles, build.mrbcfile, gem_rakefiles, __FILE__].flatten do |t|
_pp "GEN", t.name.relative_path
mkdir_p File.dirname(t.name)
tmpfile = t.name + ".tmp"
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