So that we can extend it with ZSH-colors in a later patch.

Signed-off-by: Ramkumar Ramachandra <artag...@gmail.com>
---
 contrib/completion/git-prompt.sh | 79 ++++++++++++++++++++++------------------
 1 file changed, 43 insertions(+), 36 deletions(-)

diff --git a/contrib/completion/git-prompt.sh b/contrib/completion/git-prompt.sh
index 5d8b745..6943f86 100644
--- a/contrib/completion/git-prompt.sh
+++ b/contrib/completion/git-prompt.sh
@@ -222,6 +222,48 @@ __git_ps1_show_upstream ()
 
 }
 
+# Helper function that is meant to be called from __git_ps1.  It
+# builds up a gitstring injecting color codes into the appropriate
+# places.
+__git_ps1_colorize_gitstring ()
+{
+       local c_red='\e[31m'
+       local c_green='\e[32m'
+       local c_lblue='\e[1;34m'
+       local c_clear='\e[0m'
+       local bad_color=$c_red
+       local ok_color=$c_green
+       local branch_color="$c_clear"
+       local flags_color="$c_lblue"
+       local branchstring="$c${b##refs/heads/}"
+
+       if [ $detached = no ]; then
+               branch_color="$ok_color"
+       else
+               branch_color="$bad_color"
+       fi
+
+       # Setting gitstring directly with \[ and \] around colors
+       # is necessary to prevent wrapping issues!
+       gitstring="\[$branch_color\]$branchstring\[$c_clear\]"
+
+       if [ -n "$w$i$s$u$r$p" ]; then
+               gitstring="$gitstring$z"
+       fi
+       if [ "$w" = "*" ]; then
+               gitstring="$gitstring\[$bad_color\]$w"
+       fi
+       if [ -n "$i" ]; then
+               gitstring="$gitstring\[$ok_color\]$i"
+       fi
+       if [ -n "$s" ]; then
+               gitstring="$gitstring\[$flags_color\]$s"
+       fi
+       if [ -n "$u" ]; then
+               gitstring="$gitstring\[$bad_color\]$u"
+       fi
+       gitstring="$gitstring\[$c_clear\]$r$p"
+}
 
 # __git_ps1 accepts 0 or 1 arguments (i.e., format string)
 # when called from PS1 using command substitution
@@ -368,42 +410,7 @@ __git_ps1 ()
                if [ $pcmode = yes ]; then
                        local gitstring=
                        if [ -n "${GIT_PS1_SHOWCOLORHINTS-}" ]; then
-                               local c_red='\e[31m'
-                               local c_green='\e[32m'
-                               local c_lblue='\e[1;34m'
-                               local c_clear='\e[0m'
-                               local bad_color=$c_red
-                               local ok_color=$c_green
-                               local branch_color="$c_clear"
-                               local flags_color="$c_lblue"
-                               local branchstring="$c${b##refs/heads/}"
-
-                               if [ $detached = no ]; then
-                                       branch_color="$ok_color"
-                               else
-                                       branch_color="$bad_color"
-                               fi
-
-                               # Setting gitstring directly with \[ and \] 
around colors
-                               # is necessary to prevent wrapping issues!
-                               
gitstring="\[$branch_color\]$branchstring\[$c_clear\]"
-
-                               if [ -n "$w$i$s$u$r$p" ]; then
-                                       gitstring="$gitstring$z"
-                               fi
-                               if [ "$w" = "*" ]; then
-                                       gitstring="$gitstring\[$bad_color\]$w"
-                               fi
-                               if [ -n "$i" ]; then
-                                       gitstring="$gitstring\[$ok_color\]$i"
-                               fi
-                               if [ -n "$s" ]; then
-                                       gitstring="$gitstring\[$flags_color\]$s"
-                               fi
-                               if [ -n "$u" ]; then
-                                       gitstring="$gitstring\[$bad_color\]$u"
-                               fi
-                               gitstring="$gitstring\[$c_clear\]$r$p"
+                               __git_ps1_colorize_gitstring
                        else
                                gitstring="$c${b##refs/heads/}${f:+$z$f}$r$p"
                        fi
-- 
1.8.3.rc1.57.g4ac1522

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