completion: add helper to count path components
A follow-up commit will use this with for-each-ref to strip the right number of path components from refnames. Signed-off-by: David Mandelberg <david@mandelberg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
David Mandelberg committed
Mar 23, 2025 at 17:05 UTC
5637bdc352a7763e30290bb37239a61cb9865d1b
2 files changed
+37
contrib/completion/git-completion.bash
+11
index 413911be3b..5fdc71208e 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -234,6 +234,17 @@ __git_dequote ()
done
}
+# Prints the number of slash-separated components in a path.
+# 1: Path to count components of.
+__git_count_path_components ()
+{
+ local path="$1"
+ local relative="${path#/}"
+ relative="${relative%/}"
+ local slashes="/${relative//[^\/]}"
+ echo "${#slashes}"
+}
+
# The following function is based on code from:
#
# bash_completion - programmable completion functions for bash 3.2+
t/t9902-completion.sh
+26
index 51bd750837..015289c776 100755
--- a/t/t9902-completion.sh
+++ b/t/t9902-completion.sh
@@ -455,6 +455,32 @@ test_expect_success '__git_dequote - open double quote' '
'
+test_expect_success '__git_count_path_components - no slashes' '
+ echo 1 >expected &&
+ __git_count_path_components a >"$actual" &&
+ test_cmp expected "$actual"
+'
+
+test_expect_success '__git_count_path_components - relative' '
+ echo 3 >expected &&
+ __git_count_path_components a/b/c >"$actual" &&
+ test_cmp expected "$actual"
+
+'
+
+test_expect_success '__git_count_path_components - absolute' '
+ echo 3 >expected &&
+ __git_count_path_components /a/b/c >"$actual" &&
+ test_cmp expected "$actual"
+'
+
+test_expect_success '__git_count_path_components - trailing slash' '
+ echo 3 >expected &&
+ __git_count_path_components a/b/c/ >"$actual" &&
+ test_cmp expected "$actual"
+'
+
+
test_expect_success '__gitcomp_direct - puts everything into COMPREPLY as-is' '
sed -e "s/Z$//g" >expected <<-EOF &&
with-trailing-space Z