[NixOS] Provide passphrase when importing gpg key

nixos/secrets.nix

@@ -6,6 +6,7 @@
       inputs.agenix.packages."${pkgs.system}".default
     ];
     age.secrets.gpg-keys.file = ./secrets/gpg-keys.age;
+    age.secrets.gpg-passphrase.file = ./secrets/gpg-passphrase.age;
 
     systemd.user.services.import-gpg-key = {
       Unit = {
@@ -23,7 +24,8 @@
         Restart = "onfailure";
         ExecStart =
           let path = config.age.secrets.gpg-keys.path;
-          in "${pkgs.gnupg}/bin/gpg --batch --import ${path}";
+              passphrasePath = config.age.secrets.gpg-passphrase.path;
+          in "${pkgs.gnupg}/bin/gpg --pinentry-mode loopback --passphrase-file ${passphrasePath} --import ${path}";
       };
     };
   });

nixos/secrets/gpg-passphrase.age

@@ -0,0 +1,44 @@
+age-encryption.org/v1
+-> ssh-ed25519 ZgrTqA Crvk4lZGqUPHWFVHoMHL6wTXLqgOwfYWcQRI1GR8fCo
+95KzRsEvEgK7KoBGB9V0XEHoMat3x+C5mU/HoaQmOBQ
+-> ssh-ed25519 ZaBdSg TuQ9k+CyR2Fog+BxOmqP+hvqw63qzTkJTu0H2sBVZD0
+HeLbVIYN3gCKq1K212cAKqmdxwvRxl2kssRtoIKe8u0
+-> ssh-ed25519 MHZylw i91Etee30Plo+zKWe41RsPITr0yRsw3GmX9UTFgIB1w
+QFf3/DS2/5AiyiXC9oiighxzdP/qsAN4A+JOo3CPPxc
+-> ssh-rsa gwJx0Q
+xLrGVWlIyyfj92zF2hthtntxY8mBFuPvb/rJyI2DJ3brG7gFIr8w5k4yZyicT/X2
+nbucLPwAbQ4SQUs0cadHcA4JI+2C3VUudMqAXMyC1Fkv/ql13DLuy9bPucgDHUU8
+nc8FDJ6iPxypnD7IgTSw+BcNlKcskOoL0zDxVyXcsq2js3W/9fc2P5D6lCZ1ZIWb
+Z5P+k6ZwFpeRBrm4zrnLr5pPU/3cUBuEyR/EVEWh0kYXlg2VpvBOcHqrZfuxAVxE
+eshb0TSZPhP+OaewXkWnS2slLEPS7QGeEVfQpwF1q50LAUiqw4Uwh8dIVQz5xAY9
+YZvOGGZkzFuVa9dJPA4X8w
+-> ssh-ed25519 YFIoHA B/icDEIQH0u/GqDhO90QgUbP03UCnxpSPw6isfdcjRs
+RndPZzM2yWqgrbALMbNsf2oxBCjgkNKcFl0FZd27n1w
+-> ssh-ed25519 KQfiow 3Geq61Xd0m59b2FIIrgZP2wheXDiNiC/pVyId1fTDwY
+m3c0/OZNR2nssBh8nAjlwVp6UpeDYaZphiBNdndpFG8
+-> ssh-ed25519 kScIxg mzfbaeTVFDX384nmohh3Nsht2uXIqHei3mlgaC2fm2w
+/ERHHlPIHau33TMLqgL1EGcfOl87/ofN3PW/g0ysGNg
+-> ssh-ed25519 HzX1zw hYappU4Fqrb1x8ZDlOQXCilsArhFwlFkJxNoygF4jQ0
+hTeadEzZ6F+I9d2bXidBRNfbQgcGsSePtb+HzWqHfBI
+-> ssh-ed25519 KQfiow /LRG537/z+OHDhK5Fl1i3uJZO8Y1KY+3x9hn0zIVTTo
+dfulMIkTSg35STjGPXmqNJ0ATM8rgJAuVpexBcOo2kI
+-> ssh-ed25519 1o2X0w WTK2J/tOSMm/tW7wHQrQla2HH4cdj+j9rM7CMVZZoCk
+bEtjp3iXkD6tanBS6tvsBQ85Yd3MQOXWgjsf0KCeWKw
+-> ssh-ed25519 KQ5iUA r7eMLpwOF+PfvP0Z8CtC1y8tz2XCL6chBID2s9n5Vg8
+WiNsSDcafBCnYXR51fjNe1AqWzQexLwZGhEwITYFzso
+-> ssh-ed25519 0eS5+A xHVBjsGS8jX6DNiYen0mUJe4dUi9ayYjqwxnIRAjDls
+wQUPdJmf5s7RtygtcSaCPHHqC24dZGxyM0HJVqSTheQ
+-> ssh-ed25519 9/4Prw vYEnPBSo0LfS6L0oUVgbFVhfE2RFCnbFUWYDPS6UlhU
+U5lw/k/G/KX4JzD7zUohVGnERfeh/wJu9B9Q7OSiE8w
+-> ssh-ed25519 gAk3+Q LSVYDdzb/X7yw4U0wi4v1w2hnhCKiqxMFol1DwsioGA
+TwOQRpeYWtcuF/SCf4IhvapkXt3IzKbL+6TYSwMYZj8
+-> ssh-ed25519 X6eGtQ 7AkAvWIx9b6NTZadb6c9Y+OsyLIYhtilCrXNqJObEg0
+Sf347ATzrPaf4bch3H3TPNbCiBNewTuDrk8ap9dZipU
+-> ssh-ed25519 0ma8Cw oXWdHur4lg5biytTl1ixUv5P40nHHg31NNoxfzGJUTo
+Q4nNfFnXiOhLVrLZIWsIIH9QB1T3v9qIyYH5bTa7hWk
+-> QbL-grease t1 K-'
+0rLMhdyodWAFmH1zD9QKXLcxfJaSp4Ud1qiPDHzenbzE0C5bqDP9PjvVTL85Tgkh
+MY0D7KlIw79dN3t0drnuLR3Y2GmWFmA4wsgU2/nTU5nw5izYuYw
+--- PLCCiAtKWcacH4p370GCBv2qUPQkQR6h4is8eorrfOQ
+^<03>NêáÝoj4C H1ºr¶5„Ôç
+|Æ+í 3öz82	€¹å}Ä]0

nixos/secrets/secrets.nix

@@ -2,5 +2,6 @@ let keys = (import ../keys.nix);
 in
 {
   "gpg-keys.age".publicKeys = keys.agenixKeys;
+  "gpg-passphrase.age".publicKeys = keys.agenixKeys;
   "cache-priv-key.pem.age".publicKeys = keys.agenixKeys;
 }