agnoster: use %n instead of $USER to fix quoting
Fixes #7268
With `$USER`, we'd need to quote it in case special characters like `\` are present in
the $USER value, like if the user is part of an AD domain.
With `%n` the quoting is done automatically by zsh.
See http://zsh.sourceforge.net/Doc/Release/Prompt-Expansion.html#Login-information
Diff
1diff --git a/themes/agnoster.zsh-theme b/themes/agnoster.zsh-theme
2index 1ac3fc96b32c96cbe355adebb4b0c43c6d2d59f7..0edb773aac7183a17c64df154e3db9440c303155 100644
3--- a/themes/agnoster.zsh-theme
4+++ b/themes/agnoster.zsh-theme
5@@ -89,7 +89,7 @@ prompt_end() {
6 # Context: user@hostname (who am I and where am I)
7 prompt_context() {
8 if [[ "$USER" != "$DEFAULT_USER" || -n "$SSH_CLIENT" ]]; then
9- prompt_segment black default "%(!.%{%F{yellow}%}.)$USER@%m"
10+ prompt_segment black default "%(!.%{%F{yellow}%}.)%n@%m"
11 fi
12 }
13