--- a/.bash_prompt	Thu Sep 04 20:26:57 2014 +0900
+++ b/.bash_prompt	Fri Sep 05 02:02:01 2014 +0900
@@ -47,65 +47,15 @@
             [[ "$TEST_DIR" == '/' ]] && break
             TEST_DIR=$(dirname "$TEST_DIR")
         done
-        
-        if [[ $HG_TRACKED && $USE_HG_PROMPT ]] ; then
-            local PROMPT_TEMPLATE="${P}{branch|quiet}{${Rd}{closed}}${P}☿{rev}{${B}+{tags|quiet|+}}{${Gd}*{bookmark}}{${R}{update}}{${G}+{rev|merge}}${R}{status|modified}${RESET}"
-            local HG_INFO=" $(hg prompt $PROMPT_TEMPLATE)"
+
+        local HG_INFO=
+        if [[ $HG_TRACKED ]] ; then
+            _set_hg_info
         fi
-        if [[ $HG_TRACKED && ! $USE_HG_PROMPT ]] ; then
-            local SUM=$(LC_ALL=C hg sum 2>/dev/null)
-            local PARENTS=($(grep -Po '(?<=parent: ).*(?=:)' <<< "$SUM"))
-            local BRANCH=$(grep -Po '(?<=branch: ).*$' <<< "$SUM")
-            local COMMIT=$(grep -Po '(?<=commit: ).*$' <<< "$SUM")
-            local UPDATE=$(grep -Po '(?<=update: ).*$' <<< "$SUM")
-
-            local REV=${PARENTS[0]}
-            local MERGEREV=${PARENTS[1]}
-
-            BRANCH=${BRANCH/default/}
-            [ -z "$MERGEREV" ] || MERGEREV="+$MERGEREV"
-            case "$COMMIT" in
-                *'(clean)'*)
-                    COMMIT=''
-                    ;;
-                *added*|*modified*|*deleted*)
-                    COMMIT='!'
-                    ;;
-            esac
-            case "$UPDATE" in
-                *'(update)'*)
-                    UPDATE='^'
-                    ;;
-                *'(merge)'*)
-                    UPDATE=''
-                    ;;
-                *'(current)'*)
-                    UPDATE=''
-                    ;;
-            esac
-            local HG_INFO=" ${P}${BRANCH}☿${REV}${R}${UPDATE}${G}${MERGEREV}${R}${COMMIT}${RESET}"
-        fi
+        
+        local GIT_INFO=
         if [[ $GIT_TRACKED ]] ; then
-            local GIT_STATUS=$(LC_ALL=C git status 2>/dev/null)
-            local GIT_BRANCH=$(grep -Po '(?<=On branch ).*$' <<< "$GIT_STATUS")
-            local GIT_REV=$(LC_ALL=C git rev-parse --short HEAD 2>/dev/null)
-            
-            if [[ $GIT_STATUS == *'Your branch is behind'* ]] ; then
-                local GIT_BEHIND="$R^"
-                [[ $GIT_STATUS =~ behind[^$'\n']+([0-9]+)' 'commit ]] && GIT_BEHIND+=${BASH_REMATCH[1]}
-            fi
-            if [[ $GIT_STATUS == *'Your branch is ahead'* ]] ; then
-                local GIT_AHEAD="$Y^"
-                [[ $GIT_STATUS =~ ahead[^$'\n']+([0-9]+)' 'commit ]] && GIT_AHEAD+=${BASH_REMATCH[1]}
-            fi
-            if [[ $GIT_STATUS == *'Changes to be committed'* ]] ; then
-                local GIT_STAGED="$R!"
-            fi
-            if [[ $GIT_STATUS == *'Changes not staged'* ]] ; then
-                local GIT_UNSTAGED="$P?"
-            fi
-            
-            local GIT_INFO=" ${G}${GIT_BRANCH}±${GIT_REV}${GIT_BEHIND}${GIT_AHEAD}${GIT_STAGED}${GIT_UNSTAGED}${RESET}"
+            _set_git_info
         fi
     fi
 
@@ -119,6 +69,68 @@
 ${PROMPT_COLOR}\\\$${RESET} "
 }
 
+function _set_hg_info {
+    if [[ $USE_HG_PROMPT ]] ; then
+        local PROMPT_TEMPLATE="${P}{branch|quiet}{${Rd}{closed}}${P}☿{rev}{${B}+{tags|quiet|+}}{${Gd}*{bookmark}}{${R}{update}}{${G}+{rev|merge}}${R}{status|modified}${RESET}"
+        HG_INFO=" $(hg prompt $PROMPT_TEMPLATE)"
+    else
+        local SUM=$(LC_ALL=C hg sum 2>/dev/null)
+        local PARENTS=($(grep -Po '(?<=parent: ).*(?=:)' <<< "$SUM"))
+        local BRANCH=$(grep -Po '(?<=branch: ).*$' <<< "$SUM")
+        local COMMIT=$(grep -Po '(?<=commit: ).*$' <<< "$SUM")
+        local UPDATE=$(grep -Po '(?<=update: ).*$' <<< "$SUM")
+
+        local REV=${PARENTS[0]}
+        local MERGEREV=${PARENTS[1]}
+
+        BRANCH=${BRANCH/default/}
+        [ -z "$MERGEREV" ] || MERGEREV="+$MERGEREV"
+        case "$COMMIT" in
+            *'(clean)'*)
+                COMMIT=''
+                ;;
+            *added*|*modified*|*deleted*)
+                COMMIT='!'
+                ;;
+        esac
+        case "$UPDATE" in
+            *'(update)'*)
+                UPDATE='^'
+                ;;
+            *'(merge)'*)
+                UPDATE=''
+                ;;
+            *'(current)'*)
+                UPDATE=''
+                ;;
+        esac
+        HG_INFO=" ${P}${BRANCH}☿${REV}${R}${UPDATE}${G}${MERGEREV}${R}${COMMIT}${RESET}"
+    fi
+}
+
+function _set_git_info {
+    local STATUS=$(LC_ALL=C git status 2>/dev/null)
+    local BRANCH=$(grep -Po '(?<=On branch ).*$' <<< "$STATUS")
+    local REV=$(LC_ALL=C git rev-parse --short HEAD 2>/dev/null)
+
+    if [[ $STATUS == *'Your branch is behind'* ]] ; then
+        local BEHIND="$R^"
+        [[ $STATUS =~ behind[^$'\n']+([0-9]+)' 'commit ]] && BEHIND+=${BASH_REMATCH[1]}
+    fi
+    if [[ $STATUS == *'Your branch is ahead'* ]] ; then
+        local AHEAD="$Y^"
+        [[ $STATUS =~ ahead[^$'\n']+([0-9]+)' 'commit ]] && AHEAD+=${BASH_REMATCH[1]}
+    fi
+    if [[ $STATUS == *'Changes to be committed'* ]] ; then
+        local STAGED="$R!"
+    fi
+    if [[ $STATUS == *'Changes not staged'* ]] ; then
+        local UNSTAGED="$P?"
+    fi
+
+    GIT_INFO=" ${G}${BRANCH}±${P}${REV}${BEHIND}${AHEAD}${STAGED}${UNSTAGED}${RESET}"
+}
+
 # first find prompt in hgrc, then check it's actually enabled
 if grep -w '^prompt' ~/.hgrc &>/dev/null && hg help prompt &>/dev/null ; then
     USE_HG_PROMPT=1