From a00944c490c9e49ca842d5f509c7abe8c991beb6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Pajot?= <pajot.stephane@gmail.com>
Date: Wed, 13 Mar 2013 18:31:26 +0100
Subject: [PATCH] Add some Mercurial informations : nb of lines inserted,
 deleted and nb of changes to commit

---
 liquidprompt | 33 ++++++++++++++++++++++++++++++---
 1 file changed, 30 insertions(+), 3 deletions(-)

diff --git a/liquidprompt b/liquidprompt
index 4557e67..5e72ac3 100755
--- a/liquidprompt
+++ b/liquidprompt
@@ -754,10 +754,37 @@ _lp_hg_branch_color()
     local ret
     branch=$(_lp_hg_branch)
     if [[ ! -z "$branch" ]] ; then
-        if [[ $(( $(hg status --quiet -n | wc -l) )) = 0 ]] ; then
-            ret="${LP_COLOR_UP}${branch}${NO_COL}"
+
+        local has_untracked
+        has_untracked=$(hg status 2>/dev/null | grep '\(^\?\)' | wc -l)
+        if [[ -z "$has_untracked" ]] ; then
+            has_untracked=""
         else
-            ret="${LP_COLOR_CHANGES}${branch}${NO_COL}" # changes to commit
+            has_untracked="$LP_COLOR_CHANGES$LP_MARK_UNTRACKED"
+        fi
+
+        local has_commit
+        has_commit=$(hg outgoing --no-merges ${branch} 2>/dev/null | grep '\(^changeset\:\)' | wc -l)
+        if [[ -z "$has_commit" ]] ; then
+            has_commit=0
+        fi
+
+        if [[ $(( $(hg status --quiet -n | wc -l) )) = 0 ]] ; then
+            if [[ "$has_commit" -gt "0" ]] ; then
+                # some commit(s) to push
+                ret="${LP_COLOR_COMMITS}${branch}${NO_COL}(${LP_COLOR_COMMITS}$has_commit${NO_COL})${has_untracked}${NO_COL}"
+            else
+                ret="${LP_COLOR_UP}${branch}${has_untracked}${NO_COL}" # nothing to commit or push
+            fi
+        else
+            local has_line
+            has_lines=$(hg diff --stat 2>/dev/null | tail -n 1 | awk 'FS=" " {printf("+%s/-%s\n", $4, $6)}')
+            if [[ "$has_commit" -gt "0" ]] ; then
+                # Changes to commit and commits to push
+                ret="${LP_COLOR_CHANGES}${branch}${NO_COL}(${LP_COLOR_DIFF}$has_lines${NO_COL},${LP_COLOR_COMMITS}$has_commit${NO_COL})${has_untracked}${NO_COL}"
+            else
+                ret="${LP_COLOR_CHANGES}${branch}${NO_COL}(${LP_COLOR_DIFF}$has_lines${NO_COL})${has_untracked}${NO_COL}" # changes to commit   
+            fi
         fi
         echo -ne "$ret"
     fi