diff --git a/.github/workflows/build-ruby.yml b/.github/workflows/build-ruby.yml
index bf1bd85..a5e85e8 100644
--- a/.github/workflows/build-ruby.yml
+++ b/.github/workflows/build-ruby.yml
@@ -231,6 +231,7 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
         with:
           persist-credentials: false
+          fetch-depth: 2
 
       # First, build image for x86_64 as it will fail fast
       #
@@ -240,8 +241,9 @@ jobs:
         if: ${{ contains(matrix.arch, 'x86_64') }}
         run: |
           cache_from=()
-          parents="$(git rev-list --parents -n 1 ${{ github.sha }})"
-          for sha in $parents; do
+          parents=( $(git rev-list --parents -n 1 ${{ github.sha }}) )
+          for sha in "${parents[@]}"; do
+            echo "${sha}"
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-g${sha})
           done
           cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }})
@@ -250,8 +252,9 @@ jobs:
         if: ${{ contains(matrix.arch, 'x86_64') }}
         run: |
           cache_from=()
-          parents="$(git rev-list --parents -n 1 ${{ github.sha }})"
-          for sha in $parents; do
+          parents=( $(git rev-list --parents -n 1 ${{ github.sha }}) )
+          for sha in "${parents[@]}"; do
+            echo "${sha}"
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-g${sha})
           done
           cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }})
@@ -271,8 +274,9 @@ jobs:
         if: ${{ contains(matrix.arch, 'x86_64') }}
         run: |
           cache_from=()
-          parents="$(git rev-list --parents -n 1 ${{ github.sha }})"
-          for sha in $parents; do
+          parents=( $(git rev-list --parents -n 1 ${{ github.sha }}) )
+          for sha in "${parents[@]}"; do
+            echo "${sha}"
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-g${sha})
           done
           cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }})
@@ -281,8 +285,9 @@ jobs:
         if: ${{ contains(matrix.arch, 'x86_64') && matrix.libc == 'musl' }}
         run: |
           cache_from=()
-          parents="$(git rev-list --parents -n 1 ${{ github.sha }})"
-          for sha in $parents; do
+          parents=( $(git rev-list --parents -n 1 ${{ github.sha }}) )
+          for sha in "${parents[@]}"; do
+            echo "${sha}"
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-gcc-g${sha})
           done
           cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-gcc)
@@ -302,8 +307,9 @@ jobs:
         if: ${{ contains(matrix.arch, 'aarch64') }}
         run: |
           cache_from=()
-          parents="$(git rev-list --parents -n 1 ${{ github.sha }})"
-          for sha in $parents; do
+          parents=( $(git rev-list --parents -n 1 ${{ github.sha }}) )
+          for sha in "${parents[@]}"; do
+            echo "${sha}"
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-g${sha})
           done
           cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }})
@@ -312,8 +318,9 @@ jobs:
         if: ${{ contains(matrix.arch, 'aarch64') }}
         run: |
           cache_from=()
-          parents="$(git rev-list --parents -n 1 ${{ github.sha }})"
-          for sha in $parents; do
+          parents=( $(git rev-list --parents -n 1 ${{ github.sha }}) )
+          for sha in "${parents[@]}"; do
+            echo "${sha}"
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-g${sha})
           done
           cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }})
@@ -333,8 +340,9 @@ jobs:
         if: ${{ contains(matrix.arch, 'aarch64') }}
         run: |
           cache_from=()
-          parents="$(git rev-list --parents -n 1 ${{ github.sha }})"
-          for sha in $parents; do
+          parents=( $(git rev-list --parents -n 1 ${{ github.sha }}) )
+          for sha in "${parents[@]}"; do
+            echo "${sha}"
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-g${sha})
           done
           cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }})
@@ -343,8 +351,9 @@ jobs:
         if: ${{ contains(matrix.arch, 'aarch64') && matrix.libc == 'musl' }}
         run: |
           cache_from=()
-          parents="$(git rev-list --parents -n 1 ${{ github.sha }})"
-          for sha in $parents; do
+          parents=( $(git rev-list --parents -n 1 ${{ github.sha }}) )
+          for sha in "${parents[@]}"; do
+            echo "${sha}"
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-gcc-g${sha})
           done
           cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-gcc)
@@ -360,8 +369,9 @@ jobs:
       - name: Push CI run image (${{ join(matrix.arch, ', ') }})
         run: |
           cache_from=()
-          parents="$(git rev-list --parents -n 1 ${{ github.sha }})"
-          for sha in $parents; do
+          parents=( $(git rev-list --parents -n 1 ${{ github.sha }}) )
+          for sha in "${parents[@]}"; do
+            echo "${sha}"
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-g${sha})
           done
           cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }})
@@ -369,8 +379,9 @@ jobs:
       - name: Push commit image (${{ join(matrix.arch, ', ') }})
         run: |
           cache_from=()
-          parents="$(git rev-list --parents -n 1 ${{ github.sha }})"
-          for sha in $parents; do
+          parents=( $(git rev-list --parents -n 1 ${{ github.sha }}) )
+          for sha in "${parents[@]}"; do
+            echo "${sha}"
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-g${sha})
           done
           cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }})
@@ -379,8 +390,9 @@ jobs:
         if: ${{ inputs.push }}
         run: |
           cache_from=()
-          parents="$(git rev-list --parents -n 1 ${{ github.sha }})"
-          for sha in $parents; do
+          parents=( $(git rev-list --parents -n 1 ${{ github.sha }}) )
+          for sha in "${parents[@]}"; do
+            echo "${sha}"
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-g${sha})
           done
           cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }})
@@ -391,8 +403,9 @@ jobs:
         if: ${{ inputs.push && matrix.libc == 'gnu' }}
         run: |
           cache_from=()
-          parents="$(git rev-list --parents -n 1 ${{ github.sha }})"
-          for sha in $parents; do
+          parents=( $(git rev-list --parents -n 1 ${{ github.sha }}) )
+          for sha in "${parents[@]}"; do
+            echo "${sha}"
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-g${sha})
           done
           cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }})
@@ -403,8 +416,9 @@ jobs:
         if: ${{ matrix.libc == 'gnu' || matrix.libc == 'centos' }}
         run: |
           cache_from=()
-          parents="$(git rev-list --parents -n 1 ${{ github.sha }})"
-          for sha in $parents; do
+          parents=( $(git rev-list --parents -n 1 ${{ github.sha }}) )
+          for sha in "${parents[@]}"; do
+            echo "${sha}"
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-gcc-g${sha})
           done
           cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-gcc)
@@ -413,8 +427,9 @@ jobs:
         if: ${{ inputs.push && (matrix.libc == 'gnu' || matrix.libc == 'centos') }}
         run: |
           cache_from=()
-          parents="$(git rev-list --parents -n 1 ${{ github.sha }})"
-          for sha in $parents; do
+          parents=( $(git rev-list --parents -n 1 ${{ github.sha }}) )
+          for sha in "${parents[@]}"; do
+            echo "${sha}"
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-gcc-g${sha})
           done
           cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-gcc)
@@ -429,8 +444,9 @@ jobs:
         if: ${{ matrix.libc == 'musl' }}
         run: |
           cache_from=()
-          parents="$(git rev-list --parents -n 1 ${{ github.sha }})"
-          for sha in $parents; do
+          parents=( $(git rev-list --parents -n 1 ${{ github.sha }}) )
+          for sha in "${parents[@]}"; do
+            echo "${sha}"
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-gcc-g${sha})
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-g${sha})
           done
@@ -441,8 +457,9 @@ jobs:
         if: ${{ inputs.push && matrix.libc == 'musl' }}
         run: |
           cache_from=()
-          parents="$(git rev-list --parents -n 1 ${{ github.sha }})"
-          for sha in $parents; do
+          parents=( $(git rev-list --parents -n 1 ${{ github.sha }}) )
+          for sha in "${parents[@]}"; do
+            echo "${sha}"
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-gcc-g${sha})
             cache_from+=(--cache-from=type=registry,ref=${{ steps.vars.outputs.IMAGE }}:${{ steps.vars.outputs.RELEASE_TAG }}-g${sha})
           done