Another try at fixing bash completions in "set -u" environments.
Here, I've gone back to changing $# to ${#-}, but only where necessary.
Additionally added some comments and omitted things like Vim modelines.
Signed-off-by: Ted Pavlic <ted@xxxxxxxxxxxxx>
---
contrib/completion/git-completion.bash | 42
++++++++++++++++++++++---------
1 files changed, 30 insertions(+), 12 deletions(-)
diff --git a/contrib/completion/git-completion.bash
b/contrib/completion/git-completion.bash
index 7b074d7..323829e 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1,3 +1,4 @@
+#!bash
#
# bash completion support for core Git.
#
@@ -50,9 +51,11 @@ case "$COMP_WORDBREAKS" in
*) COMP_WORDBREAKS="$COMP_WORDBREAKS:"
esac
+# __gitdir accepts 0 or 1 arguments (i.e., location)
+# returns location of .git repo
__gitdir ()
{
- if [ -z "$1" ]; then
+ if [ $# -eq 0 ] || [ -z "$1" ]; then
if [ -n "$__git_dir" ]; then
echo "$__git_dir"
elif [ -d .git ]; then
@@ -67,6 +70,8 @@ __gitdir ()
fi
}
+# __git_ps1 accepts 0 or 1 arguments (i.e., format string)
+# returns text to add to bash PS1 prompt (includes branch name)
__git_ps1 ()
{
local g="$(git rev-parse --git-dir 2>/dev/null)"
@@ -111,7 +116,7 @@ __git_ps1 ()
fi
fi
- if [ -n "$1" ]; then
+ if [ $# -gt 0 ] && [ -n "$1" ]; then
printf "$1" "${b##refs/heads/}$r"
else
printf " (%s)" "${b##refs/heads/}$r"
@@ -119,6 +124,7 @@ __git_ps1 ()
fi
}
+# __gitcomp_1 requires 2 arguments
__gitcomp_1 ()
{
local c IFS=' '$'\t'$'\n'
@@ -131,6 +137,8 @@ __gitcomp_1 ()
done
}
+# __gitcomp accepts 1, 2, 3, or 4 arguments
+# generates completion reply with compgen
__gitcomp ()
{
local cur="${COMP_WORDS[COMP_CWORD]}"
@@ -143,22 +151,23 @@ __gitcomp ()
;;
*)
local IFS=$'\n'
- COMPREPLY=($(compgen -P "$2" \
- -W "$(__gitcomp_1 "$1" "$4")" \
+ COMPREPLY=($(compgen -P "${2-}" \
+ -W "$(__gitcomp_1 "${1-}" "${4-}")" \
-- "$cur"))
;;
esac
}
+# __git_heads accepts 0 or 1 arguments (to pass to __gitdir)
__git_heads ()
{
- local cmd i is_hash=y dir="$(__gitdir "$1")"
+ local cmd i is_hash=y dir="$(__gitdir "${1-}")"
if [ -d "$dir" ]; then
git --git-dir="$dir" for-each-ref --format='%(refname:short)' \
refs/heads
return
fi
- for i in $(git ls-remote "$1" 2>/dev/null); do
+ for i in $(git ls-remote "${1-}" 2>/dev/null); do
case "$is_hash,$i" in
y,*) is_hash=n ;;
n,*^{}) is_hash=y ;;
@@ -168,15 +177,16 @@ __git_heads ()
done
}
+# __git_tags accepts 0 or 1 arguments (to pass to __gitdir)
__git_tags ()
{
- local cmd i is_hash=y dir="$(__gitdir "$1")"
+ local cmd i is_hash=y dir="$(__gitdir "${1-}")"
if [ -d "$dir" ]; then
git --git-dir="$dir" for-each-ref --format='%(refname:short)' \
refs/tags
return
fi
- for i in $(git ls-remote "$1" 2>/dev/null); do
+ for i in $(git ls-remote "${1-}" 2>/dev/null); do
case "$is_hash,$i" in
y,*) is_hash=n ;;
n,*^{}) is_hash=y ;;
@@ -186,9 +196,10 @@ __git_tags ()
done
}
+# __git_refs accepts 0 or 1 arguments (to pass to __gitdir)
__git_refs ()
{
- local i is_hash=y dir="$(__gitdir "$1")"
+ local i is_hash=y dir="$(__gitdir "${1-}")"
local cur="${COMP_WORDS[COMP_CWORD]}" format refs
if [ -d "$dir" ]; then
case "$cur" in
@@ -218,6 +229,7 @@ __git_refs ()
done
}
+# __git_refs2 requires 1 argument (to pass to __git_refs)
__git_refs2 ()
{
local i
@@ -226,6 +238,7 @@ __git_refs2 ()
done
}
+# __git_refs_remotes requires 1 argument (to pass to ls-remote)
__git_refs_remotes ()
{
local cmd i is_hash=y
@@ -470,6 +483,7 @@ __git_aliases ()
done
}
+# __git_aliased_command requires 1 argument
__git_aliased_command ()
{
local word cmdline=$(git --git-dir="$(__gitdir)" \
@@ -482,6 +496,7 @@ __git_aliased_command ()
done
}
+# __git_find_subcommand requires 1 argument
__git_find_subcommand ()
{
local word subcommand c=1
@@ -1766,13 +1781,16 @@ _gitk ()
__git_complete_revlist
}
-complete -o default -o nospace -F _git git
-complete -o default -o nospace -F _gitk gitk
+complete -o bashdefault -o default -o nospace -F _git git 2>/dev/null \
+ || complete -o default -o nospace -F _git git
+complete -o bashdefault -o default -o nospace -F _gitk gitk 2>/dev/null \
+ || complete -o default -o nospace -F _gitk gitk
# The following are necessary only for Cygwin, and only are needed
# when the user has tab-completed the executable name and consequently
# included the '.exe' suffix.
#
if [ Cygwin = "$(uname -o 2>/dev/null)" ]; then
-complete -o default -o nospace -F _git git.exe
+complete -o bashdefault -o default -o nospace -F _git git.exe 2>/dev/null \
+ || complete -o default -o nospace -F _git git.exe
fi
--
1.6.1.87.g15624
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