Bug/docfix to get fetch

README.md

@@ -29,6 +29,7 @@ get commit %MESSAGE% | git commit -m %MESSAGE%
 get branch %BRANCH% | stashes working tree, creates or switches branch, and checks out branch
 get rmbranch %BRANCH% | git branch -d %BRANCH% *TODO: rename?*
 get fetch | Fetches all remotes and fast-forwards local branches when possible
+get fetch %BRANCHES% | Fetches and fast-forwards the specified branches
 get status | git status
 get review | git diff --cached
 get diff | compare working tree with HEAD (git diff HEAD)

get

@@ -84,9 +84,14 @@ fetch)
 echo Updating
 if [ -z "$2" ]; then
     git fetch --all
-    # Fast-forward all local branches. I owe a lot to http://stackoverflow.com/a/24451300/2168416
+    branches="$(list_branches)"
+else
+    branches = "${@:2}"
+    git fetch "$branches"
+fi
+# Fast-forward local branches. I owe a lot to http://stackoverflow.com/a/24451300/2168416
 current_branch=$(git rev-parse --abbrev-ref HEAD)
-    for local_branch in $(list_branches); do
+for local_branch in $branches; do
     remote=$(git config --get branch.$local_branch.remote)
     remote_branch=$(git config --get branch.$local_branch.merge | sed 's:refs/heads/::')
     # Git throws an error if we try the fetch command on the current branch. Sheesh
@@ -96,12 +101,6 @@ if [ -z "$2" ]; then
         git fetch $remote $remote_branch:$local_branch
     fi
 done
-else
-    git fetch "${@:2}"
-    for b in "${@:2}"; do
-        git fetch upstream "$b":"$b"
-    done
-fi
 ;;
 
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