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bash-completion: refactor unique subcommand processing

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Let's keep the main processing loop free of subcommand implementations
by pulling the existing help & start commands into dedicated functions.
Having a single giant function is harder to track as we add more and
more logic in.

Bug: https://crbug.com/gerrit/14797
Change-Id: I2b62dc430c0e7574f09aa4838f4ef03fbe4bf7fb
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/312903
Reviewed-by: Xin Li <delphij@google.com>
Tested-by: Mike Frysinger <vapier@google.com>
This commit is contained in:
Mike Frysinger 2021-07-26 15:26:22 -04:00
parent 13d6c94cfb
commit b380322174
1 changed files with 27 additions and 15 deletions
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42
completion.bash
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@ -66,6 +66,31 @@ __complete_repo_command_projects() {
COMPREPLY=($(compgen -W "$(__complete_repo_list_projects)" -- "${current}"))
}
# Complete `repo help`.
__complete_repo_command_help() {
local current=$1
# CWORD=1 is "start".
# CWORD=2 is the <subcommand> which we complete here.
if [[ ${COMP_CWORD} -eq 2 ]]; then
COMPREPLY=(
$(compgen -W "$(__complete_repo_list_commands)" -- "${current}")
)
fi
}
# Complete `repo start`.
__complete_repo_command_start() {
local current=$1
# CWORD=1 is "start".
# CWORD=2 is the <branch> which we don't complete.
# CWORD=3+ are <projects> which we complete here.
if [[ ${COMP_CWORD} -gt 2 ]]; then
COMPREPLY=(
$(compgen -W "$(__complete_repo_list_projects)" -- "${current}")
)
fi
}
# Complete the repo subcommand arguments.
__complete_repo_arg() {
if [[ ${COMP_CWORD} -le 1 ]]; then
@ -86,21 +111,8 @@ __complete_repo_arg() {
return 0
;;
help)
if [[ ${COMP_CWORD} -eq 2 ]]; then
COMPREPLY=(
$(compgen -W "$(__complete_repo_list_commands)" -- "${current}")
)
fi
return 0
;;
start)
if [[ ${COMP_CWORD} -gt 2 ]]; then
COMPREPLY=(
$(compgen -W "$(__complete_repo_list_projects)" -- "${current}")
)
fi
help|start)
__complete_repo_command_${command} "${current}"
return 0
;;