From 7f29de4726f83d1494c288598eeb8d216c201dc7 Mon Sep 17 00:00:00 2001
From: Cristian Consonni <cristian@balist.es>
Date: Thu, 26 Apr 2018 07:29:55 +0200
Subject: [PATCH] Add support for custom timestamp format in history

---
 lib/history.zsh              | 16 ++++++++++------
 templates/zshrc.zsh-template |  5 ++++-
 2 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/lib/history.zsh b/lib/history.zsh
index 7d4e59d00..296cadca4 100644
--- a/lib/history.zsh
+++ b/lib/history.zsh
@@ -19,12 +19,16 @@ function omz_history {
 }
 
 # Timestamp format
-case $HIST_STAMPS in
-  "mm/dd/yyyy") alias history='omz_history -f' ;;
-  "dd.mm.yyyy") alias history='omz_history -E' ;;
-  "yyyy-mm-dd") alias history='omz_history -i' ;;
-  *) alias history='omz_history' ;;
-esac
+if [ ! -z "$HIST_STAMPS" ]; then
+  case $HIST_STAMPS in
+    "mm/dd/yyyy") alias history='omz_history -f' ;;
+    "dd.mm.yyyy") alias history='omz_history -E' ;;
+    "yyyy-mm-dd") alias history='omz_history -i' ;;
+    *) alias history='omz_history -t "$HIST_STAMPS"' ;;
+  esac
+else
+  alias history='omz_history'
+fi
 
 ## History file configuration
 [ -z "$HISTFILE" ] && HISTFILE="$HOME/.zsh_history"
diff --git a/templates/zshrc.zsh-template b/templates/zshrc.zsh-template
index bba2d370d..5f98fb211 100644
--- a/templates/zshrc.zsh-template
+++ b/templates/zshrc.zsh-template
@@ -48,7 +48,10 @@ ZSH_THEME="robbyrussell"
 
 # Uncomment the following line if you want to change the command execution time
 # stamp shown in the history command output.
-# The optional three formats: "mm/dd/yyyy"|"dd.mm.yyyy"|"yyyy-mm-dd"
+# You can set one of the optional three formats:
+# "mm/dd/yyyy"|"dd.mm.yyyy"|"yyyy-mm-dd"
+# or set a custom format using the strftime function format specifications,
+# see 'man strftime' for details.
 # HIST_STAMPS="mm/dd/yyyy"
 
 # Would you like to use another custom folder than $ZSH/custom?