Allow custom branch color for detached HEAD

Add an additional config variable 'GIT_SONAR_DETACHED_COLOR', which is
used to color the %{branch} element when on a detached HEAD.  Both
"branch color" and "detached color" default to uncolored, but may now be
configured independently.

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

1 files changed, 6 insertions, 2 deletions

diff --git a/git-sonar b/git-sonar
index 6d21831..9aa2233 100755
--- a/git-sonar
+++ b/git-sonar
@@ -83,6 +83,7 @@ FETCH_TIME="${GIT_SONAR_FETCH_TIME:-"300"}"
 ALERT_ICON="${GIT_SONAR_ALERT_ICON:-"${COLOR_YELLOW}⚡"}"
 STASH_ICON="${GIT_SONAR_STASH_ICON:-"${COLOR_YELLOW}≡"}"
 BRANCH_COLOR="${GIT_SONAR_BRANCH_COLOR:-"$COLOR_DEF"}"
+DETACHED_COLOR="${GIT_SONAR_DETACHED_COLOR:-"$COLOR_DEF"}"
 STATUS_SEP="${GIT_SONAR_STATUS_SEPARATOR:-" "}"
 
 AHEAD_ICON="${GIT_SONAR_AHEAD_ICON:-"${COLOR_GREEN}↑"}" # "←"
@@ -140,8 +141,11 @@ element_alert() {
 }
 
 element_branch() {
-    [ -n "$branch_name" ] && branch="$branch_name" || branch="detached@${commit_hash}"
-    printf '%b%s%b' "$BRANCH_COLOR" "$branch" "$COLOR_DEF"
+    if [ -n "$branch_name" ]; then
+        printf '%b%s%b' "$BRANCH_COLOR" "$branch_name" "$COLOR_DEF"
+    else
+        printf '%bdetached@%s%b' "$DETACHED_COLOR" "$commit_hash" "$COLOR_DEF"
+    fi
 }
 
 element_remote() {