Rename run_*_regression.sh to *_regression_inner

Personal preference, plus more explanatory.

.dockerignore

@@ -1,5 +1,4 @@
 # only used for tests/docker/bat-test.dockerfile
-
 *
 !/syntaxes/
-!/tests/docker/*regression.sh
+!/tests/docker/*regression_inner.sh

tests/docker/bat-test.dockerfile

@@ -11,7 +11,7 @@ FROM debian:bullseye-slim
 COPY --from=fetch-pkg  /tmp/bat.deb  /tmp
 RUN dpkg --install /tmp/bat.deb
 ENV COLORTERM=truecolor
-COPY ./tests/docker/*regression.sh  /tests/
+COPY ./tests/docker/*regression_inner.sh  /tests/
 COPY ./syntaxes/cmd-help.sublime-syntax  /root/.config/bat/syntaxes/
 RUN bat cache --build > /dev/null
-ENTRYPOINT /tests/run_highlight_regression.sh
+ENTRYPOINT /tests/highlight_regression_inner.sh

tests/docker/run_highlight_regression.sh → tests/docker/highlight_regression_inner.sh

@@ -5,7 +5,7 @@ set -euo pipefail
 cd "$(dirname "${BASH_SOURCE[0]}")"
 
 for source_path in source/* ; do
-    # this dir is only for run_theme_regression.sh
+    # this dir is only for theme_regression_inner.sh
     [ "$source_path" = source/theme ] && continue
 
     filename=$(basename "$source_path")

tests/theme_regression.sh

@@ -12,7 +12,7 @@ vol2="$PWD"/theme:/tests/theme
 
 docker run --rm \
     -v "$vol1" -v "$vol2" \
-    --entrypoint /tests/run_theme_regression.sh \
+    --entrypoint /tests/theme_regression_inner.sh \
     bat-test
 
 # effective difference between HEAD/staging and working dir