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# shellcheck shell=bash
# Enable git-subrepo completion facilities
if [[ -n ${BASH_VERSION-} ]]; then
# Bash
if [[ $(type -t __gitcomp 2> /dev/null) != function ]]; then
# The standard Git completion script for Bash does not seem to be
# loaded, because its shell function `__gitcomp`, which our Bash
# completion script uses, does not appear to exist.
{
# Look for the Git completion script at the file-paths whereat it
# might be found, according to
# <https://github.com/git/git/blob/4109c28/contrib/completion/git-completion.zsh#L34-L36>
# and experimental and anecdotal evidence.
for f in \
/{usr,opt/local}/share/bash-completion/{completions/,}git \
{,/usr/local,~/.homebrew}/etc/bash_completion.d/git
do
# If a file is found at the location being checked…
if [[ -f $f ]]; then
# …source it.
source "$f"
[[ $(type -t __gitcomp) != function ]] &&
echo "WARNING: Git completion script '$f' does not provide a '__gitcomp' function"
# Proceed to loading our Bash completion facilities.
break
# We could instead `break` only if `source $f` succeeds, or if
# `$f` provides a `__gitcomp` function, but that would entail
# plowing ahead to the next potential Git completion script if
# this one errors partway through being sourced, possibly
# resulting in an inconsistent mishmash of Git completion scripts.
fi
done
} || {
# If no file was found at any of the potential file-paths checked
# above, source a bundled copy of
# <https://github.com/git/git/blob/c285171/contrib/completion/git-completion.bash>.
source "$GIT_SUBREPO_ROOT/share/git-completion.bash"
}
fi
# Load our Bash completion facilities.
source "$GIT_SUBREPO_ROOT/share/completion.bash"
elif [[ -n ${ZSH_VERSION-} ]]; then
# Zsh
#
# Prepend to `fpath` the path of the directory containing our zsh
# completion script, so that our completion script will be hooked into the
# zsh completion system.
fpath=("$GIT_SUBREPO_ROOT/share/zsh-completion" "${fpath[@]}")
fi
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