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-rwxr-xr-xt/perf/p1500-graph-walks.sh50
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diff --git a/t/perf/p1500-graph-walks.sh b/t/perf/p1500-graph-walks.sh
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+++ b/t/perf/p1500-graph-walks.sh
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+#!/bin/sh
+
+test_description='Commit walk performance tests'
+. ./perf-lib.sh
+
+test_perf_large_repo
+
+test_expect_success 'setup' '
+ git for-each-ref --format="%(refname)" "refs/heads/*" "refs/tags/*" >allrefs &&
+ sort -r allrefs | head -n 50 >refs &&
+ for ref in $(cat refs)
+ do
+ git branch -f ref-$ref $ref &&
+ echo ref-$ref ||
+ return 1
+ done >branches &&
+ for ref in $(cat refs)
+ do
+ git tag -f tag-$ref $ref &&
+ echo tag-$ref ||
+ return 1
+ done >tags &&
+ git commit-graph write --reachable
+'
+
+test_perf 'ahead-behind counts: git for-each-ref' '
+ git for-each-ref --format="%(ahead-behind:HEAD)" --stdin <refs
+'
+
+test_perf 'ahead-behind counts: git branch' '
+ xargs git branch -l --format="%(ahead-behind:HEAD)" <branches
+'
+
+test_perf 'ahead-behind counts: git tag' '
+ xargs git tag -l --format="%(ahead-behind:HEAD)" <tags
+'
+
+test_perf 'contains: git for-each-ref --merged' '
+ git for-each-ref --merged=HEAD --stdin <refs
+'
+
+test_perf 'contains: git branch --merged' '
+ xargs git branch --merged=HEAD <branches
+'
+
+test_perf 'contains: git tag --merged' '
+ xargs git tag --merged=HEAD <tags
+'
+
+test_done