Merge pull request bitcoin#1578 from achow101/fix-ci

ci: Update diff checks so that the task actually works

Author: jonatack

.github/workflows/github-action-checks.yml

@@ -5,15 +5,18 @@ jobs:
   Link-Format-Checks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: scripts/link-format-chk.sh
   Build-Table-Checks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: scripts/buildtable.pl >/tmp/table.mediawiki || exit 1
   Diff-Checks:
+    name: "Diff Checks (fails until number assignment)"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
       - run: scripts/diffcheck.sh

scripts/diffcheck.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 
+scripts/buildtable.pl >/tmp/table.mediawiki 2> /dev/null
 diff README.mediawiki /tmp/table.mediawiki | grep '^[<>] |' >/tmp/after.diff || true
 if git checkout HEAD^ && scripts/buildtable.pl >/tmp/table.mediawiki 2>/dev/null; then
     diff README.mediawiki /tmp/table.mediawiki | grep '^[<>] |' >/tmp/before.diff || true
@@ -8,6 +9,8 @@ if git checkout HEAD^ && scripts/buildtable.pl >/tmp/table.mediawiki 2>/dev/null
         echo "$newdiff"
         exit 1
     fi
+    echo "README table matches expected table from BIP files"
 else
     echo 'Cannot build previous commit table for comparison'
+    exit 1
 fi