chore: fix branch comparison

Author: mgxd

.github/workflows/docs-build-update.yml

@@ -1,4 +1,3 @@
-
 name: Build & update docs
 
 on:
@@ -46,7 +45,7 @@ jobs:
 
     - name: Build docs
       run: |
-          make -C docs/ SPHINXOPTS="-W" BUILDDIR="$HOME/docs" OUTDIR="${CURBRANCH:-html}" html
+        make -C docs/ SPHINXOPTS="-W" BUILDDIR="$HOME/docs" OUTDIR="${CURBRANCH:-html}" html
 
     - name: Push created tag to gh-pages
       if: startsWith(github.ref, 'refs/tags/')
@@ -70,7 +69,7 @@ jobs:
     - name: Push "main" docs to gh-pages after a PR is merged
       if: github.ref == 'refs/heads/master' || github.ref == 'refs/heads/main'
       run: |
-        if [[ "${CURBRANCH}" != "master" -a "${CURBRANCH}" != "main" ]]; then
+        if [[ "${CURBRANCH}" != "master" && "${CURBRANCH}" != "main" ]]; then
             echo "$CURBRANCH is not the default development branch"
             exit 1
         fi