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monolith: enable nix cache over ssh

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Leonardo Eugênio 2025-06-03 01:15:57 -03:00
parent 22dc422b63
commit 868496d2b9
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5 changed files with 138 additions and 52 deletions
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system/gitlab-runner/nix-cache-end Executable file
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#!/bin/sh
echo "nix-cache: Storing new store items"
NEW_NIX_STORE_CONTENTS_FILE=$(mktemp)
find /nix/store/ -maxdepth 1 > $NEW_NIX_STORE_CONTENTS_FILE
sort $OLD_NIX_STORE_CONTENTS_FILE -o $OLD_NIX_STORE_CONTENTS_FILE
sort $NEW_NIX_STORE_CONTENTS_FILE -o $NEW_NIX_STORE_CONTENTS_FILE
echo "nix-cache: Comparing store paths"
FILTERED_NIX_STORE_CONTENTS_FILE=$(mktemp)
comm -13 $OLD_NIX_STORE_CONTENTS_FILE $NEW_NIX_STORE_CONTENTS_FILE > $FILTERED_NIX_STORE_CONTENTS_FILE
echo "nix-cache: New store paths:"
cat $FILTERED_NIX_STORE_CONTENTS_FILE | sed 's/^/ /g'
if test -n "$(head -n1 $FILTERED_NIX_STORE_CONTENTS_FILE)"; then
echo "nix-cache: Sending new paths to cache"
nix copy --to "$STORE_URL" $(cat $FILTERED_NIX_STORE_CONTENTS_FILE) || true
else
echo "nix-cache: Nothing to send"
fi