[PATCH 1/4] vcs_info: Don't redefine helper functions on every execution of the autoloadable outer function.

[Daniel Shahaf <d.s@xxxxxxxxxxxxxxxxxx>]

This allows enabling tracing of the helper functions without fned'ing
the outer function.
---
 Functions/VCS_Info/Backends/VCS_INFO_detect_p4    | 2 ++
 Functions/VCS_Info/Backends/VCS_INFO_get_data_bzr | 3 +++
 Functions/VCS_Info/Backends/VCS_INFO_get_data_git | 3 +++
 Functions/VCS_Info/VCS_INFO_quilt                 | 7 +++++--
 4 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/Functions/VCS_Info/Backends/VCS_INFO_detect_p4 b/Functions/VCS_Info/Backends/VCS_INFO_detect_p4
index 95a534786..d171c68ee 100644
--- a/Functions/VCS_Info/Backends/VCS_INFO_detect_p4
+++ b/Functions/VCS_Info/Backends/VCS_INFO_detect_p4
@@ -16,6 +16,7 @@
 # of having such files in all client root directories and nowhere above.
 
 
+(( ${+functions[VCS_INFO_p4_get_server]} )) ||
 VCS_INFO_p4_get_server() {
   emulate -L zsh
   setopt extendedglob
@@ -43,6 +44,7 @@ VCS_INFO_p4_get_server() {
 }
 
 
+(( ${+functions[VCS_INFO_detect_p4]} )) ||
 VCS_INFO_detect_p4() {
   local serverport p4where
 
diff --git a/Functions/VCS_Info/Backends/VCS_INFO_get_data_bzr b/Functions/VCS_Info/Backends/VCS_INFO_get_data_bzr
index 705db65a7..b30e0e12b 100644
--- a/Functions/VCS_Info/Backends/VCS_INFO_get_data_bzr
+++ b/Functions/VCS_Info/Backends/VCS_INFO_get_data_bzr
@@ -8,6 +8,7 @@ local bzrbase bzrbr bzr_changes bzr_type
 local -a bzrinfo
 local -A hook_com bzr_info
 
+(( ${+functions[VCS_INFO_bzr_get_info]} )) ||
 VCS_INFO_bzr_get_info() {
     bzrinfo=( ${(s.:.)$( ${vcs_comm[cmd]} version-info --custom \
         --template="{revno}:{branch_nick}:{clean}")} )
@@ -20,6 +21,7 @@ VCS_INFO_bzr_get_info() {
     fi
 }
 
+(( ${+functions[VCS_INFO_bzr_get_info_restricted]} )) ||
 VCS_INFO_bzr_get_info_restricted() {
     # we are forbidden from fetching info on bound branch from remote repository
     bzrinfo=( $(${vcs_comm[cmd]} revno) ${bzrbase:t} )
@@ -30,6 +32,7 @@ VCS_INFO_bzr_get_info_restricted() {
     fi
 }
 
+(( ${+functions[VCS_INFO_bzr_get_changes]} )) ||
 VCS_INFO_bzr_get_changes() {
     local -A counts
     local line flag
diff --git a/Functions/VCS_Info/Backends/VCS_INFO_get_data_git b/Functions/VCS_Info/Backends/VCS_INFO_get_data_git
index 04d15bb4a..0050f613a 100644
--- a/Functions/VCS_Info/Backends/VCS_INFO_get_data_git
+++ b/Functions/VCS_Info/Backends/VCS_INFO_get_data_git
@@ -8,6 +8,7 @@ local -i querystaged queryunstaged
 local -a git_patches_applied git_patches_unapplied
 local -A hook_com
 
+(( ${+functions[VCS_INFO_git_getaction]} )) ||
 VCS_INFO_git_getaction () {
     local gitdir=$1
     local tmp
@@ -70,6 +71,7 @@ VCS_INFO_git_getaction () {
     return 1
 }
 
+(( ${+functions[VCS_INFO_git_getbranch]} )) ||
 VCS_INFO_git_getbranch () {
     local gitdir=$1 tmp actiondir
     local gitsymref="${vcs_comm[cmd]} symbolic-ref HEAD"
@@ -118,6 +120,7 @@ VCS_INFO_git_getbranch () {
     return 0
 }
 
+(( ${+functions[VCS_INFO_git_handle_patches]} )) ||
 VCS_INFO_git_handle_patches () {
     local git_applied_s git_unapplied_s gitmsg
     git_patches_applied=(${(Oa)git_patches_applied})
diff --git a/Functions/VCS_Info/VCS_INFO_quilt b/Functions/VCS_Info/VCS_INFO_quilt
index 381b58489..1f20e895d 100644
--- a/Functions/VCS_Info/VCS_INFO_quilt
+++ b/Functions/VCS_Info/VCS_INFO_quilt
@@ -1,5 +1,6 @@
 ## vim:ft=zsh:foldmethod=marker
 
+(( ${+functions[VCS_INFO_quilt-match]} )) ||
 function VCS_INFO_quilt-match() {
     emulate -L zsh
     setopt extendedglob
@@ -20,6 +21,7 @@ function VCS_INFO_quilt-match() {
     return 1
 }
 
+(( ${+functions[VCS_INFO_quilt-standalone-detect]} )) ||
 function VCS_INFO_quilt-standalone-detect() {
     emulate -L zsh
     setopt extendedglob
@@ -58,6 +60,7 @@ function VCS_INFO_quilt-standalone-detect() {
     return 1
 }
 
+(( ${+functions[VCS_INFO_quilt-dirfind]} )) ||
 function VCS_INFO_quilt-dirfind() {
     # This is a wrapper around VCS_INFO_bydir_detect(). It makes sure
     # that $vcs_comm[] is unchanged. Currently, changing anything in it
@@ -80,11 +83,12 @@ function VCS_INFO_quilt-dirfind() {
     return ${ret}
 }
 
+(( ${+functions[VCS_INFO_quilt-patch2subject]} )) ||
 function VCS_INFO_quilt-patch2subject() {
     VCS_INFO_patch2subject "$@"
 }
 
-function VCS_INFO_quilt() {
+{
     emulate -L zsh
     setopt extendedglob
     local mode="$1"
@@ -192,4 +196,3 @@ function VCS_INFO_quilt() {
 
     VCS_INFO_hook 'post-quilt' ${mode} ${patches} ${pc:-\\-nopc-}
 }
-VCS_INFO_quilt "$@"