33 lines
662 B
Bash
33 lines
662 B
Bash
#!/bin/sh
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set -eu
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log() {
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echo "$(date -u '+%Y-%m-%dT%H:%M:%SZ') $*"
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}
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if [ "$#" -eq 0 ]; then
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log "no packages supplied; nothing to ensure"
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exit 0
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fi
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log "ensuring packages: $*"
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missing_packages=""
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for pkg in "$@"; do
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if ! command -v "$pkg" >/dev/null 2>&1; then
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if [ -n "$missing_packages" ]; then
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missing_packages="$missing_packages $pkg"
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else
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missing_packages="$pkg"
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fi
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fi
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done
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if [ -n "$missing_packages" ]; then
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log "installing $missing_packages"
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set -- $missing_packages
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apk add --no-cache "$@" >/dev/null 2>&1
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else
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log "all requested packages already available"
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fi
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