smarter printing of git-diff

[etc/zsh.git] / .zsh / zshrc / 60_vcsprompt

diff --git a/.zsh/zshrc/60_vcsprompt b/.zsh/zshrc/60_vcsprompt
index 4cc18a3fd6feb72d174044579ad73d6999c7ccf7..a23aab5cbf21a0b52f2f2307eaf35d5b141edf6d 100644 (file)
--- a/.zsh/zshrc/60_vcsprompt
+++ b/.zsh/zshrc/60_vcsprompt
@@ -32,6 +32,21 @@ __git_get_branch()
   echo "${ref#refs/heads/}"
 }
 
+__git_print_preprompt()
+{
+  local output
+  output=(${(f):-"$(git diff --stat --relative)"})
+  if [[ ${#output} -gt 1 ]]; then
+    echo changes on filesystem:
+    print "${(F)output[1,-2]}"
+  fi
+  output=(${(f):-"$(git diff --cached --stat --relative)"})
+  if [[ ${#output} -gt 1 ]]; then
+    echo cached/staged changes:
+    print "${(F)output[1,-2]}"
+  fi
+}
+
 __hg_get_reporoot()
 {
   hg root
@@ -144,9 +159,8 @@ __vcs_set_prompt_variables()
       if [ -d "$GIT_DIR" ]; then
         # poor man's replace until I find out how to do named dirs properly
         # here:
-        _D="${GIT_DIR/$HOME/~}"
+        local _D="${GIT_DIR/$HOME/~}"
         set -- "$_D" "$2" "${${1#$_D}%/}"
-        unset _D
       fi
       ;;
     hg)
@@ -179,6 +193,18 @@ __vcs_set_prompt_variables()
   psvar[1,3]=($1 $2 $3)
 }
 
+__vcs_print_preprompt()
+{
+  local reporoot
+  repotype="${1:-$(__vcs_get_repo_type)}"
+
+  case "$repotype" in
+    git)
+      __git_print_preprompt
+      ;;
+  esac
+}
+
 if ! is_root; then
   # too dangerous to be run as root
 
@@ -196,6 +222,12 @@ if ! is_root; then
   }
   chpwd_functions+=_update_vcs_prompt_vars
 
+  _print_preprompt() {
+    [[ $? -eq 0 ]] && __vcs_print_preprompt
+  }
+  chpwd_functions+=_print_preprompt
+  precmd_functions+=_print_preprompt
+
   # call it once
   _update_vcs_prompt_vars
 fi