Rename build/ to builders/ to avoid looking like build output

builders/linux.x86_64/Dockerfile

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+FROM alpine:3.16
+# alpine:3.16 (GHC 9.0.1):  5.8 megabytes
+# alpine:3.17 (GHC 9.0.2): 15.0 megabytes
+# alpine:3.18 (GHC 9.4.4): 29.0 megabytes
+# alpine:3.19 (GHC 9.4.7): 29.0 megabytes
+
+ENV TARGETNAME linux.x86_64
+
+# Install GHC and cabal
+USER root
+RUN apk add ghc cabal g++ libffi-dev curl bash
+
+# Use ld.bfd instead of ld.gold due to
+# x86_64-linux-gnu/libpthread.a(pthread_cond_init.o)(.note.stapsdt+0x14): error:
+#    relocation refers to local symbol "" [2], which is defined in a discarded section
+ENV CABALOPTS "--ghc-options;-optl-Wl,-fuse-ld=bfd -split-sections -optc-Os -optc-Wl,--gc-sections"
+
+# Other archs pre-build dependencies here, but this one doesn't to detect ecosystem movement
+
+# Copy the build script
+COPY build /usr/bin
+
+WORKDIR /scratch
+ENTRYPOINT ["/usr/bin/build"]

builders/linux.x86_64/build

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+#!/bin/sh
+set -xe
+{
+  tar xzv --strip-components=1
+  chmod +x striptests && ./striptests
+  mkdir "$TARGETNAME"
+  cabal update
+  ( IFS=';'; cabal build $CABALOPTS --enable-executable-static )
+  find . -name shellcheck -type f -exec mv {} "$TARGETNAME/" \;
+  ls -l "$TARGETNAME"
+  strip -s "$TARGETNAME/shellcheck"
+  ls -l "$TARGETNAME"
+  "$TARGETNAME/shellcheck" --version
+} >&2
+tar czv "$TARGETNAME"

builders/linux.x86_64/tag

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+koalaman/scbuilder-linux-x86_64