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go: add zstyle to prevent listing packages from GOROOT and GOPATH 

Adding all of GOROOT means all of stdlib is added as completions to many
commands, which I find rather noisy and rarely useful.

Before:

    [~/check]% go install <Tab>
    archive/    context/    fmt/        log/        regexp/     testing/
    bufio/      crypto/     go/         math/       runtime/    text/
    builtin/    database/   hash/       mime/       sort/       time/
    bytes/      debug/      html/       net/        strconv/    unicode/
    check.go    encoding/   image/      os/         strings/    unsafe/
    cmd/        errors/     index/      path/       sync/       vendor/
    compress/   expvar/     internal/   plugin/     syscall/
    container/  flag/       io/         reflect/    testdata/

After:

    [~/check]% go install <Tab>
    # completes to ./check.go, which is the only file in this small package.

Also add a setting to disable GOPATH, as it's kind deprecated and on its
way out. Sometimes I have some stuff "go get"'d in there, but I rarely
want that as completions.
This commit is contained in:
Martin Tournoij 2020-06-03 14:54:26 +08:00
parent 3b247d3071
commit bef2035b69
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GPG Key ID: A6258419189EE585
1 changed files with 19 additions and 2 deletions
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21
src/_golang
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@ -43,6 +43,18 @@
# * Go authors
#
# ------------------------------------------------------------------------------
# Notes
# -----
#
# * To disable listing packages from GOROOT (i.e. Go stdlib) in completions use:
#
# zstyle ':completion:*:go:*' no-goroot true
#
# * To disable listing packages from GOPATH in completions use:
#
# zstyle ':completion:*:go:*' no-gopath true
#
# ------------------------------------------------------------------------------
__go_buildmodes() {
local -a buildmodes
@ -358,11 +370,16 @@ case $state in
__go_packages() {
local gopaths
declare -a gopaths
gopaths=("${(s/:/)$(go env GOPATH)}")
gopaths+=("$(go env GOROOT)")
if ! zstyle -t ":completion:${curcontext}:" no-gopath; then
gopaths=("${(s/:/)$(go env GOPATH)}")
fi
if ! zstyle -t ":completion:${curcontext}:" no-goroot; then
gopaths+=("$(go env GOROOT)")
fi
for p in $gopaths; do
_path_files $@ -W "$p/src" -/
done
# no special treatment for
# - relative paths starting with ..
# - absolute path starting with /