[PATCH] completion: bash: improve alias loop detection
From: Felipe Contreras <hidden>
Date: 2020-11-12 22:34:56
Subsystem:
the rest · Maintainer:
Linus Torvalds
It is possible for the name of an alias to end with the name of another alias, in which case the code will incorrectly detect a loop. We can fix that by adding an extra space between words. Suggested-by: SZEDER Gábor <redacted> Signed-off-by: Felipe Contreras <redacted> --- contrib/completion/git-completion.bash | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index ce0dc1e0f8..cd2a02bafd 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash@@ -1121,16 +1121,17 @@ __git_pretty_aliases () # __git_aliased_command requires 1 argument __git_aliased_command () { - local cur=$1 list word cmdline + local cur=$1 last list word cmdline while [[ -n "$cur" ]]; do - if [[ "$list" == *"$cur "* ]]; then + if [[ "$list" == *" $cur "* ]]; then # loop detected return fi cmdline=$(__git config --get "alias.$cur") - list="$cur $list" + list=" $cur $list" + last=$cur cur= for word in $cmdline; do
@@ -1154,7 +1155,7 @@ __git_aliased_command () done done - cur="${list%% *}" + cur=$last if [[ "$cur" != "$1" ]]; then echo "$cur" fi
--
2.29.2