git: setup-upstream script and refresh-master.

git/setup-upstream.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+
+git-setup-upstream(){
+
+    if [[ $# -ne 0 ]]; then
+        echo "Usage: just run inside a bbgithub repo."
+        return
+    fi
+
+    st=$(git status)
+    if [[ $? -ne 0 ]]; then
+        echo "Looks this is not a git repo."
+        return
+    fi
+    
+    us=$(git remote get-url upstream 2> /dev/null)
+    if [[ $? -eq 0 ]]; then
+        echo "Upstream already exist as $us."
+        return
+    fi
+
+    url=$(git remote get-url origin)
+    if [[ $? -ne 0 ]]; then
+        echo "Origin URL is unknown."
+        return
+    fi
+        
+    re="^(.*)[/:]([^/:]*)/(.*)$" 
+    if [[ $url =~ $re ]]; then
+        prefix=${BASH_REMATCH[1]}
+        org=${BASH_REMATCH[2]}
+        repo=${BASH_REMATCH[3]}
+    else
+        echo "Failed to pars the repo URL."
+        return
+    fi
+
+    upstream_repo=bbgithub:$org/$repo
+    origin_repo=bbgithub:vkhachatrya5/$repo
+    
+    git remote rm origin
+    echo "Setting origin=$origin_repo"
+    git remote add origin $origin_repo
+    echo "Setting upstream=$upstream_repo"
+    git remote add upstream $upstream_repo
+    git remote -v
+}
+
+git-setup-upstream
+
+