mirror of
https://github.com/gensokyo-zone/infrastructure.git
synced 2026-02-09 04:19:19 -08:00
40 lines
722 B
Bash
40 lines
722 B
Bash
#!/usr/bin/env bash
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set -eu
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ARG_NAME=$1
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ARG_UID=$2
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shift 2
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if [[ $ARG_UID != 8??? ]]; then
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echo "uid $ARG_UID out of range" >&2
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exit 1
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fi
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id_exists() {
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ARG_FILE=$1
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if grep -q "^${ARG_NAME}:x:" "${ARG_FILE}"; then
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if ! grep -q "^${ARG_NAME}:x:${ARG_UID}:" "${ARG_FILE}"; then
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echo "${ARG_NAME} already exists but with unexpected id" >&2
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exit 1
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fi
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return 0
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else
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return 1
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fi
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}
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if ! id_exists /etc/group; then
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echo "creating group $ARG_NAME=$ARG_UID..." >&2
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groupadd \
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-g "$ARG_UID" \
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"$ARG_NAME"
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fi
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if ! id_exists /etc/passwd; then
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echo "creating user $ARG_NAME=$ARG_UID..." >&2
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useradd -r \
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-M -d /nonexistent -s /usr/sbin/nologin \
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-N -g "$ARG_UID" \
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-u "$ARG_UID" \
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"$ARG_NAME"
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fi
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