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perf(aws): speed up aws_profiles by parsing config files directly

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Parse ~/.aws/config and ~/.aws/credentials directly instead of invoking
`aws configure list-profiles`, which has significant startup overhead
due to the Python-based AWS CLI.

Only [default] and [profile NAME] sections are matched, filtering out
[sso-session ...], [services ...], and other non-profile sections.

Falls back to AWS CLI if neither file is readable.

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
--global 2026-04-10 13:07:51 -04:00
commit ae5a33df64
1 changed files with 25 additions and 3 deletions
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28
plugins/aws/aws.plugin.zsh
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@ -239,9 +239,31 @@ function aws_regions() {
}
function aws_profiles() {
aws --no-cli-pager configure list-profiles 2> /dev/null && return
[[ -r "${AWS_CONFIG_FILE:-$HOME/.aws/config}" ]] || return 1
grep --color=never -Eo '\[.*\]' "${AWS_CONFIG_FILE:-$HOME/.aws/config}" | sed -E 's/^[[:space:]]*\[(profile)?[[:space:]]*([^[:space:]]+)\][[:space:]]*$/\2/g'
local config_file="${AWS_CONFIG_FILE:-$HOME/.aws/config}"
local credentials_file="${AWS_SHARED_CREDENTIALS_FILE:-$HOME/.aws/credentials}"
local profiles=()
# Parse config file: only match [default] and [profile ...] sections,
# skipping [sso-session ...], [services ...], and other non-profile sections
if [[ -r "$config_file" ]]; then
profiles+=($(grep --color=never -E '^\[[ ]*(default|profile[ ]+)' "$config_file" \
| sed -nE 's/^\[[ ]*(profile[ ]+)?([^]]+[^ ])[ ]*\]$/\2/p'))
fi
# Parse credentials file (profiles have [name] format, no "profile" prefix)
if [[ -r "$credentials_file" ]]; then
profiles+=($(grep --color=never -Eo '\[.*\]' "$credentials_file" \
| sed -nE 's/^[[:space:]]*\[([^[:space:]]+)[[:space:]]*\]$/\1/p'))
fi
# Return unique profiles, or fall back to AWS CLI.
# Note: profiles only visible via AWS CLI (e.g. config plugins, SSO) will
# be missed when config files have entries. Intentional for performance.
if [[ ${#profiles[@]} -gt 0 ]]; then
printf '%s\n' "${profiles[@]}" | sort -u
else
aws --no-cli-pager configure list-profiles 2>/dev/null
fi
}
function _aws_regions() {