Optimize Dockerfile for clarity and minimalism

- Simplified script installation using `basename` for better readability
- Pruned additional unused files from mingw sysroot to further slim down image

Signed-off-by: nanake <[email protected]>

Author: nanake

images/base-win32/Dockerfile

@@ -39,7 +39,7 @@ RUN <<EOF
 EOF
 
 RUN --mount=src=.,dst=/input <<EOF
-    for s in /input/*.sh; do cp $s /usr/bin/$(echo $s | sed -e 's|.*/||' -e 's/\.sh$//'); done
+    for s in /input/*.sh; do cp "$s" /usr/bin/$(basename "$s" .sh); done
     cp input/cross.meson input/toolchain.cmake /
 EOF
 
@@ -49,7 +49,7 @@ RUN <<EOF
     dnf5 install mingw32-{gcc{,-c++},libgomp}
     dnf5 clean all
     find /usr/*mingw*/* -type f -name "*.dll*" -delete
-    rm -rf /tmp/* /usr/share/doc/* /var/cache/* /var/lib/dnf/history.* /var/log/* /var/tmp/*
+    rm -rf /tmp/* /usr/share/doc/* /usr/i686-w64-mingw32ucrt/sys-root/mingw/share/locale/* /usr/i686-w64-mingw32ucrt/sys-root/mingw/share/man/* /var/cache/* /var/lib/dnf/history.* /var/log/* /var/tmp/*
     mkdir /opt/ffbuild
 EOF
 

images/base-win64/Dockerfile

@@ -39,7 +39,7 @@ RUN <<EOF
 EOF
 
 RUN --mount=src=.,dst=/input <<EOF
-    for s in /input/*.sh; do cp $s /usr/bin/$(echo $s | sed -e 's|.*/||' -e 's/\.sh$//'); done
+    for s in /input/*.sh; do cp "$s" /usr/bin/$(basename "$s" .sh); done
     cp input/cross.meson input/toolchain.cmake /
 EOF
 
@@ -49,7 +49,7 @@ RUN <<EOF
     dnf5 install ucrt64-{gcc{,-c++},libgomp}
     dnf5 clean all
     find /usr/*mingw*/* -type f -name "*.dll*" -delete
-    rm -rf /tmp/* /usr/share/doc/* /var/cache/* /var/lib/dnf/history.* /var/log/* /var/tmp/*
+    rm -rf /tmp/* /usr/share/doc/* /usr/x86_64-w64-mingw32ucrt/sys-root/mingw/share/locale/* /usr/x86_64-w64-mingw32ucrt/sys-root/mingw/share/man/* /var/cache/* /var/lib/dnf/history.* /var/log/* /var/tmp/*
     mkdir /opt/ffbuild
 EOF