55 lines
1.6 KiB
Bash
Executable File
55 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -Eeuo pipefail
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repo="${1:-}"
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if [ -z "$repo" ]; then
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echo >&2 "usage: $0 repo"
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echo >&2 " ie: $0 hylang"
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exit 1
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fi
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# if we haven't set BASHBREW_LIBRARY explicitly (like Jenkins does, for example), don't trust the local library
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if [ -z "${BASHBREW_LIBRARY:-}" ]; then
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repo="https://github.com/docker-library/official-images/raw/master/library/$repo"
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fi
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: "${BASHBREW_CACHE:=$HOME/.cache/bashbrew}"
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export BASHBREW_CACHE
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# see "generate-dockerfile-links-partial.tmpl" for where our arch-choosing complexity comes from
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templateHeader='{{- $archSpecific := getenv "ARCH_SPECIFIC_DOCS" -}}'
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templateArchVar='{{- $arch := $archSpecific | ternary arch ($e.HasArchitecture arch | ternary arch ($e.Architectures | first)) -}}'
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tags="$(bashbrew list --uniq "$repo" | cut -d: -f2-)"
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tags=( $tags )
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toFetch=()
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for tag in "$tags"; do
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if ! bashbrew cat --format '
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'"$templateHeader"'
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{{- $e := $.TagEntry -}}
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'"$templateArchVar"'
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{{- if $e.HasArchitecture $arch -}}
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{{- $froms := $.ArchDockerFroms $arch $e -}}
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{{- end -}}
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' "$repo:$tag" &> /dev/null; then
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toFetch+=( "$repo:$tag" )
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fi
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done
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if [ "${#toFetch[@]}" -eq 0 ]; then
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exit 0
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fi
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bashbrewFetchTemplate='
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'"$templateHeader"'
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{{- range $i, $e := ($archSpecific | ternary (archFilter arch $.Entries) $.Entries) -}}
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'"$templateArchVar"'
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{{- join "/" "refs/tags" $arch $.RepoName ($e.Tags | first) -}}
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{{- ":" -}}
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{{- "\n" -}}
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{{- end -}}
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'
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bashbrew cat --format "$bashbrewFetchTemplate" "$repo" \
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| xargs --no-run-if-empty git -C "$BASHBREW_CACHE/git" fetch --quiet --no-tags https://github.com/docker-library/commit-warehouse.git
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