diff --git a/modules/git/gitconfig b/modules/git/gitconfig
index f95ca34..bfeb6fe 100644
--- a/modules/git/gitconfig
+++ b/modules/git/gitconfig
@@ -235,8 +235,6 @@
     # https://github.com/git/git/blob/90f7b16b3adc78d4bbabbd426fb69aa78c714f71/Documentation/config.txt#L2847-L2855
 
     useConfigOnly = true
-	email = daniel@hails.info
-	name = Daniel Hails
 
     # [!] DO NOT store sensitive information such as the Git user
     # credentials (`name` / `email`), or things such as the `signingkey`
diff --git a/modules/git/setup.github.sh b/modules/git/setup.github.sh
index ae2a682..c3fe44d 100644
--- a/modules/git/setup.github.sh
+++ b/modules/git/setup.github.sh
@@ -88,7 +88,7 @@ github::get_gpg_key_id() {
   gpgKeyId="$(gpg --list-secret-keys --keyid-format LONG \
     | grep git-auto -B 2 \
     | grep sec \
-    | perl -nle 'print && while m{(?<=/)[A-Z0-9]{16}}g')"
+    | perl -nle 'print $& while m{(?<=/)[A-Z0-9]{16}}g')"
 }
 
 github::set_gpg_key() {
diff --git a/modules/zsh/zshenv b/modules/zsh/zshenv
index 4c1c5f9..50fc000 100644
--- a/modules/zsh/zshenv
+++ b/modules/zsh/zshenv
@@ -7,4 +7,4 @@ for i in ${fpath[@]}; do
     fi
 done
 
-. "$HOME/.cargo/env"
+[[ -f "$HOME/.cargo/env" ]] && . "$HOME/.cargo/env"
diff --git a/scripts/link.sh b/scripts/link.sh
index 8624c8c..40f61c7 100644
--- a/scripts/link.sh
+++ b/scripts/link.sh
@@ -69,17 +69,11 @@ link::file () {
 }
 
 link::extract_and_link() {
-  declare -A links
   local sep=' -> '
-  while read line
+  while read -r line || [[ -n "$line" ]]
   do
-    src=${line%%$sep*}
-    dst=${line#*$sep}
-    links[$src]=$dst
-  done < $1
-
-  for src in ${!links[*]}
-  do
-    link::file "$(dirname $1)/$src" "${links[$src]/#\~/$HOME}"
-  done
+    local src=${line%%$sep*}
+    local dst=${line#*$sep}
+    link::file "$(dirname "$1")/$src" "${dst/#\~/$HOME}"
+  done < "$1"
 }