[PATCH] vcs_info quilt: Avoid forks

[Daniel Shahaf <d.s@xxxxxxxxxxxxxxxxxx>]

---
I added an entry to the list of incompatibilities in README because the
function is defined as
.
    (( ${+functions[VCS_INFO_quilt-dirfind]} )) ||
    function VCS_INFO_quilt-dirfind() {
.
, presumably so zshrc can override it.

Cheers,

Daniel


 Functions/VCS_Info/VCS_INFO_quilt | 10 +++++-----
 README                            |  4 ++++
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/Functions/VCS_Info/VCS_INFO_quilt b/Functions/VCS_Info/VCS_INFO_quilt
index 1f20e895d..fef85964a 100644
--- a/Functions/VCS_Info/VCS_INFO_quilt
+++ b/Functions/VCS_Info/VCS_INFO_quilt
@@ -78,7 +78,7 @@ function VCS_INFO_quilt-dirfind() {
     VCS_INFO_bydir_detect ${dir}
     ret=$?
     vcs_comm[detect_need_file]=${oldfile}
-    printf '%s' ${vcs_comm[basedir]}
+    REPLY=${vcs_comm[basedir]}
     vcs_comm[basedir]="${olddir}"
     return ${ret}
 }
@@ -113,8 +113,8 @@ function VCS_INFO_quilt-patch2subject() {
         ;;
     esac
 
-    pc="$(VCS_INFO_quilt-dirfind .pc .version)"
-    ret=$?
+    VCS_INFO_quilt-dirfind .pc .version
+    ret=$? pc=$REPLY
     if (( ret == 0 )); then
         [[ ${quiltmode} == 'standalone' ]] && root=${pc}
         pc=${pc}/.pc
@@ -138,8 +138,8 @@ function VCS_INFO_quilt-patch2subject() {
             zstyle -s "${context}" quilt-patch-dir patches || patches="${QUILT_PATCHES}"
             if [[ "${patches}" != /* ]]; then
                 tmp=${patches:-patches}
-                patches="$(VCS_INFO_quilt-dirfind "${tmp}")"
-                ret=$?
+                VCS_INFO_quilt-dirfind "${tmp}"
+                ret=$? patches=$REPLY
                 (( ret )) && return ${ret}
                 patches=${patches}/${tmp}
             else
diff --git a/README b/README
index be7929164..7ece48183 100644
--- a/README
+++ b/README
@@ -49,6 +49,10 @@ The behaviour of :h has similarly changed.
 The behaviour has also changed in forms such as ${foo:t2) and *(:t2),
 but in those cases the previous behaviour was not meaningful.
 
+The vcs_info function VCS_INFO_quilt-dirfind now returns a string value
+by setting $REPLY.  Previously it printed the value to standard output.
+This only affects you if you override that function in your dotfiles.
+
 Incompatibilities between 5.6.2 and 5.7.1
 -----------------------------------------