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linux-libre.updateScript: don't update if unchanged

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The revision applies to the whole SVN tree, not just the scripts
directory, so the revision will increment sometimes with no change in
content.
This commit is contained in:
Alyssa Ross 2020-01-13 13:43:55 +00:00
parent be4d80d721
commit 345f6712e3
1 changed files with 6 additions and 0 deletions
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6
pkgs/os-specific/linux/kernel/update-libre.sh
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@ -6,6 +6,7 @@ nixpkgs="$(git rev-parse --show-toplevel)"
path="$nixpkgs/pkgs/os-specific/linux/kernel/linux-libre.nix"
old_rev="$(grep -o 'rev = ".*"' "$path" | awk -F'"' '{print $2}')"
old_sha256="$(grep -o 'sha256 = ".*"' "$path" | awk -F'"' '{print $2}')"
svn_url=https://www.fsfla.org/svn/fsfla/software/linux-libre/releases/branches/
rev="$(curl -s "$svn_url" | grep -Em 1 -o 'Revision [0-9]+' | awk '{print $2}')"
@ -17,6 +18,11 @@ fi
sha256="$(QUIET=1 nix-prefetch-svn "$svn_url" "$rev" | tail -1)"
if [ "$old_sha256" = "$sha256" ]; then
echo "No updates for linux-libre"
exit 0
fi
sed -i -e "s/rev = \".*\"/rev = \"$rev\"/" \
-e "s/sha256 = \".*\"/sha256 = \"$sha256\"/" "$path"