Refactor vcs aliases / functions

aliases/git

@@ -5,28 +5,37 @@ ginit() {
     git commit -a -m "Initial Commit"
 }
 
-gst() {
-	if [[ "${vcs_info_msg_0_[2,3]}" == 'hg' ]]; then
-		hg status "$@"
-	else
-		git status "$@"
-	fi
+# define a function that calls different versioning systems depending on
+# detected vcs for current directory
+# usage: defvcsfun <command name> <parameters for git> <parameters for hg> <parameters for svn>
+# see below for examples
+defvcsfun() {
+    local name=$1; shift
+    local args=($@)
+    eval "$name() {
+        case \$VCS_DETECTED in
+            git)
+                git ${=args[1]} \"\$@\";;
+            hg)
+                hg ${=args[2]} \"\$@\";;
+            svn)
+                svn ${=args[3]} \"\$@\";;
+            *)
+                echo \"unknown vcs: \$VCS_DETECTED\";;
+        esac
+    }"
 }
 
-gpl() {
-	if [[ "${vcs_info_msg_0_[2,3]}" == 'hg' ]]; then
-		hg pull "$@"
-	else
-		git pull "$@"
-	fi
-}
+#VCS      command   git             hg              svn
+defvcsfun gst       "status -s"     "status"        "status"
+defvcsfun gpl       "pull"          "pull"          "update"
+defvcsfun gcm       "commit"        "commit"        "commit"
+defvcsfun ga        "add"           "add"           "add"
+defvcsfun gpu       "push"          "push"          "i_am_not_distributed_please_dont_push_me"
 
-alias gca="git commit -a"
-alias gcm="git commit"
 alias gco="git checkout"
-alias ga="git add"
+alias gca="git commit -a"
 alias gap="git add --patch"
-alias gpu="git push"
 
 
 gls() {