From b47a26c51c86ace65fe9de446433ecff2a044fb6 Mon Sep 17 00:00:00 2001
From: Miles Liu <miles@bung.cc>
Date: Mon, 17 Apr 2023 14:24:57 +0800
Subject: [PATCH] CI: warn if the size of the binary increases by more than 5%

---
 .github/workflows/CICD.yml | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/.github/workflows/CICD.yml b/.github/workflows/CICD.yml
index add337f661f..e13f1774a22 100644
--- a/.github/workflows/CICD.yml
+++ b/.github/workflows/CICD.yml
@@ -591,6 +591,44 @@ jobs:
               --arg size "$SIZE" \
               --arg multisize "$SIZE_MULTI" \
               '{($date): { sha: $sha, size: $size, multisize: $multisize, }}' > size-result.json
+    - name: Download the previous individual size result
+      uses: dawidd6/action-download-artifact@v2
+      with:
+        workflow: CICD.yml
+        name: individual-size-result
+        repo: uutils/coreutils
+        path: dl
+    - name: Download the previous size result
+      uses: dawidd6/action-download-artifact@v2
+      with:
+        workflow: CICD.yml
+        name: size-result
+        repo: uutils/coreutils
+        path: dl
+    - name: Check uutil release sizes
+      shell: bash
+      run: |
+        check() {
+          # Warn if the size increases by more than 5%
+          threshold='1.05'
+          ratio=$(jq -n "$2 / $3")
+          echo "$1: size=$2, previous_size=$3, ratio=$ratio, threshold=$threshold"
+          if [[ "$(jq -n "$ratio > $threshold")" == 'true' ]]; then
+            echo "::warning file=$4::Size of $1 increases by more than 5%"
+          fi
+        }
+        ## Check individual size result
+        while read -r name previous_size; do
+          size=$(cat individual-size-result.json | jq -r ".[] | .sizes | .\"$name\"")
+          check "\`$name\` binary" "$size" "$previous_size" 'individual-size-result.json'
+        done < <(cat dl/individual-size-result.json | jq -r '.[] | .sizes | to_entries[] | "\(.key) \(.value)"')
+        ## Check size result
+        size=$(cat size-result.json | jq -r '.[] | .size')
+        previous_size=$(cat dl/size-result.json | jq -r '.[] | .size')
+        check 'multiple binaries' "$size" "$previous_size" 'size-result.json'
+        multisize=$(cat size-result.json | jq -r '.[] | .multisize')
+        previous_multisize=$(cat dl/size-result.json | jq -r '.[] | .multisize')
+        check 'multicall binary' "$multisize" "$previous_multisize" 'size-result.json'
     - name: Upload the individual size result
       uses: actions/upload-artifact@v3
       with: