It's not possible for $cur_ to have anything more than --no- at this
point, so there's no need to add a suffix, nor check anything else.

All we are doing is checking that $cur_ matches --no, and adding a
completion if so.

This way the code reflects what we are doing.

Signed-off-by: Felipe Contreras <redacted>
---
 contrib/completion/git-completion.bash | 5 ++---
 contrib/completion/git-completion.zsh  | 2 +-
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 6c8a8f6f5f..766c7f57c7 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash

@@ -341,9 +341,8 @@ __gitcomp ()
 				continue
 			fi
 
-			c="--no-...${4-}"
-			if [[ $c == "$cur_"* ]]; then
-				COMPREPLY[i++]="${2-}$c "
+			if [[ --no == "$cur_"* ]]; then
+				COMPREPLY[i++]="--no-... "
 			fi
 			break
 		fi

diff --git a/contrib/completion/git-completion.zsh b/contrib/completion/git-completion.zsh
index fbd03a0180..4eef9c5199 100644
--- a/contrib/completion/git-completion.zsh
+++ b/contrib/completion/git-completion.zsh

@@ -62,7 +62,7 @@ __gitcomp ()
 	for c in ${=1}; do
 		if [[ $c == "--" ]]; then
 			[[ "$cur_" == --no-* ]] && continue
-			array+=("--no-...${4-} ")
+			array+=("--no-... ")
 			break
 		fi
 		c="$c${4-}"

-- 
2.31.0