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Merge pull request #154 from davidmonterocrespo24/ccache-runtime-cap 

fix(ccache): set max-size + compression via ENV (image-build config w…
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David Montero Crespo 2026-05-09 12:18:22 -03:00 committed by GitHub
parent 8664e13ca9 e7157b7f05
commit 72a7b61222
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1 changed files with 11 additions and 4 deletions
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@ -191,10 +191,17 @@ ENV IDF_CCACHE_ENABLE=1
# ccache hit across compiles even though some flags (-I, -fmacro-prefix-map)
# embed absolute paths into the command line.
ENV CCACHE_BASEDIR=/var/lib/velxio-build
RUN mkdir -p /var/cache/ccache \
&& ccache --max-size=8G \
&& ccache --set-config=compression=true \
&& ccache --set-config=compression_level=6
# Cache cap, compression. These are set as env vars (rather than written
# to /var/cache/ccache/ccache.conf via `ccache --set-config` at image-build
# time) because $CCACHE_DIR is a named volume — anything we write into it
# during build is masked at runtime by the volume mount, so config in the
# image gets shadowed by whatever's already in the volume. ccache reads
# CCACHE_MAXSIZE / CCACHE_COMPRESS / CCACHE_COMPRESSLEVEL at runtime,
# overriding any conf-file value.
ENV CCACHE_MAXSIZE=8G
ENV CCACHE_COMPRESS=1
ENV CCACHE_COMPRESSLEVEL=6
RUN mkdir -p /var/cache/ccache
# Install ESP-IDF Python dependencies using the final image's Python
# The requirements.txt has version constraints required by ESP-IDF 4.4.x