Changes to make running the CI locally possible

Author: Takishima

.github/workflows/ci.yml

@@ -29,8 +29,10 @@ jobs:
 
     - name: Get history and tags for SCM versioning to work
       run: |
-        git fetch --prune --unshallow
-        git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+        if [ $(git rev-parse --is-shallow-repository) == "true" ]; then
+            git fetch --prune --unshallow
+            git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+        fi
 
     - name: Setup Python ${{ matrix.python }}
       uses: actions/setup-python@v2
@@ -114,8 +116,10 @@ jobs:
 
     - name: Get history and tags for SCM versioning to work
       run: |
-        git fetch --prune --unshallow
-        git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+        if [ $(git rev-parse --is-shallow-repository) == "true" ]; then
+            git fetch --prune --unshallow
+            git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+        fi
 
     - name: Prepare env
       run: >
@@ -124,10 +128,12 @@ jobs:
         python3-pytest python3-pytest-cov python3-flaky
         --no-install-recommends
 
-    - name: Fix Python LDSHARED
+    - name: Fix environment variables for compilation with Clang
       run: |
-        ld_args=$(python3 -c "import sysconfig; print(' '.join(sysconfig.get_config_var('LDSHARED').split()[1:]))")
-        echo "LDSHARED='clang $ld_args'" >> $GITHUB_ENV
+        ld_flags=$(python3 -c "import sysconfig; print(' '.join(sysconfig.get_config_var('LDSHARED').split()[1:]))")
+        echo "LDSHARED=clang" >> $GITHUB_ENV
+        echo "CFLAGS=-fPIC" >> $GITHUB_ENV
+        echo "LDFLAGS=$ld_flags" >> $GITHUB_ENV
 
     - name: Prepare Python env
       run: |
@@ -164,8 +170,10 @@ jobs:
 
     - name: Get history and tags for SCM versioning to work
       run: |
-        git fetch --prune --unshallow
-        git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+        if [ $(git rev-parse --is-shallow-repository) == "true" ]; then
+            git fetch --prune --unshallow
+            git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+        fi
 
     - name: Prepare env
       run: >
@@ -232,8 +240,10 @@ jobs:
 
     - name: Get history and tags for SCM versioning to work
       run: |
-        git fetch --prune --unshallow
-        git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+        if [ $(git rev-parse --is-shallow-repository) == "true" ]; then
+            git fetch --prune --unshallow
+            git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+        fi
 
     - name: Create pip cache dir
       run: mkdir -p ~/.cache/pip
@@ -283,8 +293,10 @@ jobs:
 
     - name: Get history and tags for SCM versioning to work
       run: |
-        git fetch --prune --unshallow
-        git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+        if [ $(git rev-parse --is-shallow-repository) == "true" ]; then
+            git fetch --prune --unshallow
+            git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+        fi
 
     - uses: actions/setup-python@v2
 
@@ -320,8 +332,10 @@ jobs:
 
     - name: Get history and tags for SCM versioning to work
       run: |
-        git fetch --prune --unshallow
-        git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+        if [ $(git rev-parse --is-shallow-repository) == "true" ]; then
+            git fetch --prune --unshallow
+            git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+        fi
 
     - name: Get pip cache dir
       id: pip-cache