added tig and gpg

Signed-off-by: Stefan Ellmauthaler <stefan.ellmauthaler@tu-dresden.de>

home/config/nixpkgs/conf/gpgsm/chain.txt

@@ -0,0 +1,88 @@
+subject= /C=DE/ST=Sachsen/L=Dresden/O=Technische Universitaet Dresden/CN=TU Dresden CA
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+subject= /C=DE/O=Verein zur Foerderung eines Deutschen Forschungsnetzes e. V./OU=DFN-PKI/CN=DFN-Verein Certification Authority 2
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+subject= /C=DE/O=T-Systems Enterprise Services GmbH/OU=T-Systems Trust Center/CN=T-TeleSec GlobalRoot Class 2
+-----BEGIN CERTIFICATE-----
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home/config/nixpkgs/conf/gpgsm/trustlist.txt

@@ -0,0 +1,30 @@
+# This is the list of trusted keys.  Comment lines, like this one, as
+# well as empty lines are ignored.  Lines have a length limit but this
+# is not a serious limitation as the format of the entries is fixed and
+# checked by gpg-agent.  A non-comment line starts with optional white
+# space, followed by the SHA-1 fingerprint in hex, followed by a flag
+# which may be one of 'P', 'S' or '*' and optionally followed by a list of
+# other flags.  The fingerprint may be prefixed with a '!' to mark the
+# key as not trusted.  You should give the gpg-agent a HUP or run the
+# command "gpgconf --reload gpg-agent" after changing this file.
+
+# Include the default trust list
+include-default
+
+# CN=Deutsche Telekom Root CA 2
+# OU=T-TeleSec Trust Center
+# O=Deutsche Telekom AG
+# C=DE
+85:A4:08:C0:9C:19:3E:5D:51:58:7D:CD:D6:13:30:FD:8C:DE:37:BF S relax
+
+# CN=T-TeleSec GlobalRoot Class 2
+# OU=T-Systems Trust Center
+# O=T-Systems Enterprise Services GmbH
+# C=DE
+EA:B2:26:12:DB:87:4F:A1:8A:9D:82:FE:C1:4B:25:39:61:A8:CF:44 S relax
+
+# CN=T-TeleSec GlobalRoot Class 2
+# OU=T-Systems Trust Center
+# O=T-Systems Enterprise Services GmbH
+# C=DE
+59:0D:2D:7D:88:4F:40:2E:61:7E:A5:62:32:17:65:CF:17:D8:94:E9 S relax

home/config/nixpkgs/git.nix

@@ -0,0 +1,19 @@
+{ config, pkgs, ...}:
+{
+  programs.git = {
+    enable = true;
+    package = pkgs.gitAndTools.gitFull;
+    userName = "Stefan Ellmauthaler";
+    userEmail = "stefan.ellmauthaler@tu-dresden.de";
+    extraConfig = {
+      core = { editor = "emacsclient"; };
+      gpg = {
+        format = "x509";
+        program = "gpgsm";
+      };
+      user = { signingKey = "0x4998BEEE"; };
+      init = { defaultBranch = "main";};
+      branch = { autosetuprebase = "always";};
+    };
+  };
+}

home/config/nixpkgs/gpg.nix

@@ -0,0 +1,15 @@
+{ config, pkgs, lib, ...}:
+{
+  home.file = {
+    ".gnupg/gpgsm.conf".text = ''
+      keyserver ldap.pca.dfn.de::::o=DFN-Verein,c=DE
+    '';
+    ".gnupg/dirmngr_ldapservers.conf".text = "ldap.pca.dfn.de:389:::o=DFN-Verein,c=de,o=DFN-Verein,c=de";
+    ".gnupg/trustlist.txt".source = ./conf/gpgsm/trustlist.txt;
+    ".gnupg/chain.txt".source = ./conf/gpgsm/chain.txt;
+  };
+
+  
+
+  programs.gpg.enable = true;
+}

home/config/nixpkgs/home.nix

@@ -7,6 +7,8 @@
       ./zsh.nix
       ./nextcloud.nix
       ./autorandr.nix
+      ./git.nix
+      ./gpg.nix
     ];
   home.packages = [
     pkgs.htop