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common-updater-scripts: move destructive changes further in the script
We can check some things before the modifications take place.
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@ -117,21 +117,6 @@ else
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die "Couldn't figure out where out where to patch in new version in '$attr'!"
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fi
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# Replace new version
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sed -i.bak "$nixFile" -re "$pattern"
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if cmp -s "$nixFile" "$nixFile.bak"; then
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die "Failed to replace version '$oldVersion' to '$newVersion' in '$attr'!"
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fi
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# Replace new URL
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if [[ -n "$newUrl" ]]; then
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sed -i "$nixFile" -re "s|\"$oldUrlEscaped\"|\"$newUrl\"|"
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if cmp -s "$nixFile" "$nixFile.bak"; then
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die "Failed to replace source URL '$oldUrl' to '$newUrl' in '$attr'!"
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fi
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fi
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if [[ "$oldHash" =~ ^(sha256|sha512)[:-] ]]; then
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# Handle the possible SRI-style hash attribute (in the form ${type}${separator}${hash})
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# True SRI uses dash as a separator and only supports base64, whereas Nix’s SRI-style format uses a colon and supports all the same encodings like regular hashes (16/32/64).
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@ -159,6 +144,21 @@ if [[ -n "$sri" ]]; then
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tempHash="$(nix to-sri --type "$oldHashAlgo" "$tempHash")"
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fi
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# Replace new version
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sed -i.bak "$nixFile" -re "$pattern"
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if cmp -s "$nixFile" "$nixFile.bak"; then
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die "Failed to replace version '$oldVersion' to '$newVersion' in '$attr'!"
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fi
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# Replace new URL
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if [[ -n "$newUrl" ]]; then
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sed -i "$nixFile" -re "s|\"$oldUrlEscaped\"|\"$newUrl\"|"
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if cmp -s "$nixFile" "$nixFile.bak"; then
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die "Failed to replace source URL '$oldUrl' to '$newUrl' in '$attr'!"
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fi
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fi
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sed -i "$nixFile" -re "s|\"$oldHash\"|\"$tempHash\"|"
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if cmp -s "$nixFile" "$nixFile.bak"; then
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die "Failed to replace source hash of '$attr' to a temporary hash!"
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