Make signing functionality optional

Author: DrVanScott

README.md

@@ -3,7 +3,7 @@
 ![Screenshot of a git clone](/about.png)
 
 Whenever a repository is cloned, author information (`user.email`, `user.name`) is set according defined patterns. No longer pushing commits with your corporate email address by accident.
-Optionally, also `user.signingkey` can be configured.
+Optionally, also `user.signingkey` and `commit.gpgsign` can be configured independently. Corresponding variablels `gpgid` and `gpgsign` might be set or omitted.
 
 ## Installation
 
@@ -29,10 +29,10 @@ You can use the file `git-clone-init` as a starting point. Keep in mind to creat
 Example:
 ```bash
 case "$url" in
-  *@github.com:*  ) email="my-public@email";    name="public name"; gpgid="GPG ID";;
-  *//github.com/* ) email="my-public@email";    name="public name"; gpgid="GPG ID";;
-  *@corp.com:*    ) email="my-corporate@email"; name="real name"; gpgid="GPG same/other ID";;
-  *//corp.com/*   ) email="my-corporate@email"; name="real name"; gpgid="GPG same/other ID";;
+  *@github.com:*  ) email="my-public@email";    name="public name";;
+  *//github.com/* ) email="my-public@email";    name="public name";;
+  *@corp.com:*    ) email="my-corporate@email"; name="real name"; gpgid="GPG ID"; gpgsign="true/false";;
+  *//corp.com/*   ) email="my-corporate@email"; name="real name"; gpgid="GPG ID"; gpgsign="true/false";;
 esac
 ```
 

post-checkout

@@ -33,9 +33,13 @@ if [[ ! -f "$configpath" ]]; then
 cat << INPUT > "$configpath"
 #!/bin/bash
 
+#You can also provide the following variables:
+#    gpgid     ID of an gpg key      configuration of user.signingkey
+#    gpgsign   true/false            configuration of commit.gpgsign
+
 case "\$url" in
-  *@github.com:*    ) email=""; name=""; gpgid="";;
-  *//github.com/*   ) email=""; name=""; gpgid="";;
+  *@github.com:*    ) email=""; name="";;
+  *//github.com/*   ) email=""; name="";;
 esac
 INPUT
   warn "\nMissing file $configpath. Template created..."
@@ -54,8 +58,13 @@ git config --local user.name "$name"
 echo -e "\nLocal identity for ${PWD##*/} set to \"$name <$email>\""
 
 if [[ ! -z $gpgid ]]; then
-  git config commit.gpgsign true
-  git config user.signingkey $gpgid
+  git config user.signingkey "$gpgid"
 
   echo -e "\n Repo configured to use $gpgid GPG Identity"
 fi
+
+if [[ ! -z $gpgsign ]]; then
+  git config commit.gpgsign "$gpgsign"
+
+  echo -e "\n Repo configured to use commit.gpgsign=$gpgsign"
+fi