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#!/bin/bash
set -e
source_files() {
script/build files | grep -vE '^\./(coverage|fixtures|version)/'
}
prepare() {
local changed_files="$(source_files | xargs git diff --name-only --)"
if [ -n "$changed_files" ]; then
echo "Aborted: please commit the following files before continuing" >&2
cat <<<"$changed_files" >&2
exit 1
fi
local n=0
for f in $(source_files); do
go tool cover -mode=set -var="LiveCoverage$((++n))" "$f" > "$f"~
sed -E '
/^package /a\
import "github.com/github/hub/coverage"
s/(LiveCoverage[0-9]+)\.Count\[([0-9]+)\][^;]+/coverage.Record(\1, \2)/g
' < "$f"~ > "$f"
rm "$f"~
done
rm -rf "$HUB_COVERAGE"
mkdir -p "${HUB_COVERAGE%/*}"
}
generate() {
source_files | xargs git checkout --
echo 'mode: count' > "$HUB_COVERAGE"~
sed -E 's!^.+/(github.com/github/hub/)!\1!' "$HUB_COVERAGE" | awk '
{ a[substr($0, 0, length()-2)] += $(NF) }
END { for (k in a) print k, a[k] }
' >> "$HUB_COVERAGE"~
go tool cover -func="$HUB_COVERAGE"~ > "${HUB_COVERAGE%.out}.func"
if [ -z "$CI" ]; then
go tool cover -html="$HUB_COVERAGE"~ -o "${HUB_COVERAGE%.out}.html"
fi
awk '/^total:/ { print $(NF) }' "${HUB_COVERAGE%.out}.func"
}
summarize() {
local total_coverage
local min_coverage="${1?}"
total_coverage="$(generate)"
echo "Code coverage: $total_coverage"
local result="$(bc <<<"${total_coverage%\%} < $min_coverage")"
if [ "$result" -eq 1 ]; then
echo "Error: coverage dropped below the minimum treshold of ${min_coverage}%!"
if [ -n "$CI" ]; then
html_result="${HUB_COVERAGE%.out}.html"
html_result="${html_result#$PWD/}"
printf 'Please run `script/test --coverage` locally and open `%s` to analyze the results.\n' "$html_result"
fi
return 1
fi
}
cmd="${1?}"
shift 1
case "$cmd" in
prepare | generate | summarize )
"$cmd" "$@"
;;
* )
exit 1
;;
esac
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