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feat: rekey only specific identity #295

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feat: rekey only specific identity #295

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24 changes: 22 additions & 2 deletions pkgs/agenix.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ function show_help () {
echo '-h, --help show help'
# shellcheck disable=SC2016
echo '-e, --edit FILE edits FILE using $EDITOR'
echo '-r, --rekey re-encrypts all secrets with specified recipients'
echo '-r, --rekey [PUBLIC_KEY] re-encrypts all secrets with specified recipients'
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Not sure if this makes sense here.

It makes parsing harder e.g. --rekey -v is currently broken.

echo '-d, --decrypt FILE decrypts FILE to STDOUT'
echo '-i, --identity identity to use when decrypting'
echo '-v, --verbose verbose output'
Expand Down Expand Up @@ -46,6 +46,7 @@ function err() {
test $# -eq 0 && (show_help && exit 1)

REKEY=0
REKEY_PUBLIC_KEY=
DECRYPT_ONLY=0
DEFAULT_DECRYPT=(--decrypt)

Expand Down Expand Up @@ -77,6 +78,10 @@ while test $# -gt 0; do
;;
-r|--rekey)
shift
if test $# -gt 0; then
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TODO: Fix e.g. --rekey -v

REKEY_PUBLIC_KEY="$1"
shift
fi
REKEY=1
;;
-d|--decrypt)
Expand Down Expand Up @@ -189,7 +194,22 @@ function edit {
}

function rekey {
FILES=$( (@nixInstantiate@ --json --eval -E "(let rules = import $RULES; in builtins.attrNames rules)" | @jqBin@ -r .[]) || exit 1)
if test ! -z "$REKEY_PUBLIC_KEY"; then
FILTER_EXPRESSION="builtins.elem \"$REKEY_PUBLIC_KEY\" rules.\${file}.publicKeys";
else
FILTER_EXPRESSION="true";
fi

RULES_EXPRESSION=$(cat <<EOF
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Does using a here document make sense here? I tried fitting it all in the single line but that isn't pretty.

let
rules = import $RULES;
filter = file: $FILTER_EXPRESSION;
in
builtins.filter filter (builtins.attrNames rules)
EOF
)

FILES=$( (@nixInstantiate@ --json --eval -E "$RULES_EXPRESSION" | @jqBin@ -r .[]) || exit 1)

for FILE in $FILES
do
Expand Down
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