FFmpeg-Builds/generate.sh

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#!/bin/bash
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set -e
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cd "$(dirname "$0")"
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source util/vars.sh
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export LC_ALL=C.UTF-8
rm -f Dockerfile Dockerfile.{dl,final,dl.final}
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layername() {
printf "layer-"
basename "$1" | sed 's/.sh$//'
}
to_df() {
_of="${TODF:-Dockerfile}"
printf "$@" >> "$_of"
echo >> "$_of"
}
default_dl() {
to_df "RUN git-mini-clone \"$SCRIPT_REPO\" \"$SCRIPT_COMMIT\" \"$1\""
}
###
### Generate download Dockerfile
###
exec_dockerstage_dl() {
SCRIPT="$1"
(
SELF="$SCRIPT"
SELFLAYER="$(layername "$STAGE")"
source "$SCRIPT"
ffbuild_dockerdl || exit $?
TODF="Dockerfile.dl.final" ffbuild_dockerlayer_dl || exit $?
)
}
export TODF="Dockerfile.dl"
to_df "FROM ${REGISTRY}/${REPO}/base:latest AS base"
to_df "ENV TARGET=$TARGET VARIANT=$VARIANT REPO=$REPO ADDINS_STR=$ADDINS_STR"
to_df "WORKDIR \$FFBUILD_DLDIR"
for STAGE in scripts.d/*.sh scripts.d/*/*.sh; do
to_df "FROM base AS $(layername "$STAGE")"
exec_dockerstage_dl "$STAGE"
done
to_df "FROM base AS intermediate"
cat Dockerfile.dl.final >> "$TODF"
rm Dockerfile.dl.final
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to_df "FROM scratch"
to_df "COPY --from=intermediate /opt/ffdl/. /"
if [[ "$TARGET" == "dl" && "$VARIANT" == "only" ]]; then
exit 0
fi
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DL_IMAGE="${DL_IMAGE_RAW}:$(./util/get_dl_cache_tag.sh)"
###
### Generate main Dockerfile
###
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exec_dockerstage() {
SCRIPT="$1"
(
SELF="$SCRIPT"
source "$SCRIPT"
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ffbuild_enabled || exit 0
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to_df "ENV SELF=\"$SELF\""
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ffbuild_dockerstage || exit $?
)
}
export TODF="Dockerfile"
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to_df "FROM ${REGISTRY}/${REPO}/base-${TARGET}:latest AS base"
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to_df "ENV TARGET=$TARGET VARIANT=$VARIANT REPO=$REPO ADDINS_STR=$ADDINS_STR"
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for addin in "${ADDINS[@]}"; do
(
source addins/"${addin}.sh"
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type ffbuild_dockeraddin &>/dev/null && ffbuild_dockeraddin || true
)
done
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PREVLAYER="base"
for ID in $(ls -1d scripts.d/??-* | sed -s 's|^.*/\(..\).*|\1|' | sort -u); do
LAYER="layer-$ID"
for STAGE in scripts.d/$ID-*; do
to_df "FROM $PREVLAYER AS $(layername "$STAGE")"
if [[ -f "$STAGE" ]]; then
exec_dockerstage "$STAGE"
else
for STAGE in "${STAGE}"/??-*; do
exec_dockerstage "$STAGE"
done
fi
done
to_df "FROM $PREVLAYER AS $LAYER"
for STAGE in scripts.d/$ID-*; do
if [[ -f "$STAGE" ]]; then
SCRIPT="$STAGE"
else
SCRIPTS=( "$STAGE"/??-* )
SCRIPT="${SCRIPTS[-1]}"
fi
(
SELF="$SCRIPT"
SELFLAYER="$(layername "$STAGE")"
source "$SCRIPT"
ffbuild_enabled || exit 0
ffbuild_dockerlayer || exit $?
TODF="Dockerfile.final" PREVLAYER="__PREVLAYER__" \
ffbuild_dockerfinal || exit $?
)
done
PREVLAYER="$LAYER"
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done
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to_df "FROM base"
sed "s/__PREVLAYER__/$PREVLAYER/g" Dockerfile.final | sort -u >> Dockerfile
rm Dockerfile.final