Only invoke git-precheck once

Cache the exit code from git-precheck to be used later by the condition
feature.  Ensure git-precheck is run with the --ignore-dirty and
--ignore-untracked options, to avoid an unnecessary call to git-status.

Signed-off-by: Matt Hunter <m@lfurio.us>

1 files changed, 6 insertions, 9 deletions

diff --git a/git-sonar b/git-sonar
index fa2237e..1a73949 100755
--- a/git-sonar
+++ b/git-sonar
@@ -41,11 +41,6 @@ prepare_colors() {
 
 }
 
-is_repo() {
-  git-precheck --quiet
-  [ $? -lt 4 ]
-}
-
 fetch() {
   FETCH_TIME="${GIT_RADAR_FETCH_TIME:-"$((5 * 60))"}"
   TS_FILE="$(git rev-parse --git-path lastupdatetime 2>/dev/null)"
@@ -327,8 +322,7 @@ stash_status() {
 }
 
 repo_special_condition() {
-  git-precheck --quiet --ignore-dirty --ignore-untracked \
-    || printf "$COLOR_CONDITION!$RESET_COLOR_CONDITION"
+  [ "$precheck_status" -lt 3 ] || printf '%b' "$COLOR_CONDITION!$RESET_COLOR"
 }
 
 render_prompt() {
@@ -487,8 +481,11 @@ if [ $# -ne 0 ]; then
   exit 1
 fi
 
-# Guard all active operations by this is_repo check
-if is_repo; then
+git-precheck --quiet --ignore-dirty --ignore-untracked >/dev/null 2>&1
+precheck_status=$?
+
+# Guard all active operations by this "is in repo" check
+if [ "$precheck_status" -lt 4 ]; then
   # Merge configuration from accepted RC files
   [ -f "$HOME/.gitradarrc" ] && . "$HOME/.gitradarrc"
   [ -f "$HOME/.gitradarrc.bash" ] && . "$HOME/.gitradarrc.bash"