mirror of
https://github.com/xcat2/xcat-core.git
synced 2026-09-04 12:07:56 +00:00
Vinícius Ferrão
114 lines
2.6 KiB
Bash
Executable File
114 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
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set -eu
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usage()
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{
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printf 'Usage: %s --check|--write|--stage DIRECTORY\n' "${0##*/}" >&2
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}
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case ${1-}:$# in
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--check:1|--write:1)
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mode=$1
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;;
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--stage:2)
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mode=$1
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stage_directory=$2
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;;
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*)
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usage
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exit 2
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;;
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esac
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script_dir=$(CDPATH='' cd "$(dirname "$0")" && pwd -P)
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repo_root=$(CDPATH='' cd "$script_dir/.." && pwd -P)
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status=0
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temp_file=
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trap 'if [ -n "$temp_file" ]; then rm -f "$temp_file"; fi' 0
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trap 'exit 1' 1 2 3 15
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has_expected_mode()
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{
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mode_path=$1
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mode_match=$(find "$mode_path" -prune -type f -perm 0644 -print 2>/dev/null)
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[ "$mode_match" = "$mode_path" ]
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}
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replace_target()
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{
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replace_source=$1
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replace_target=$2
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if [ -d "$replace_target" ]; then
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printf '%s cannot replace a directory\n' "$replace_target" >&2
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return 1
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fi
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temp_file=$(mktemp "$replace_target.tmp.XXXXXX")
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cp "$replace_source" "$temp_file"
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chmod 0644 "$temp_file"
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mv -f "$temp_file" "$replace_target"
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temp_file=
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}
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validate_source()
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{
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source_relative=$1
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source_path=$repo_root/$source_relative
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if [ ! -f "$source_path" ] || [ -L "$source_path" ]; then
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printf '%s must be a regular file\n' "$source_relative" >&2
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status=1
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fi
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}
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sync_pair()
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{
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source_relative=$1
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target_relative=$2
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source_path=$repo_root/$source_relative
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target_path=$repo_root/$target_relative
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content_matches=0
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if [ -f "$target_path" ] && [ ! -L "$target_path" ] && \
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cmp "$source_path" "$target_path" >/dev/null 2>&1; then
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content_matches=1
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if has_expected_mode "$target_path"; then
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return
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fi
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fi
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if [ "$mode" = "--check" ]; then
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printf '%s is out of date; run %s --write\n' \
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"$target_relative" "${0##*/}" >&2
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status=1
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return
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fi
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replace_target "$source_path" "$target_path"
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if [ "$content_matches" -eq 0 ]; then
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printf 'updated %s\n' "$target_relative"
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fi
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}
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validate_source xCAT/xcat.conf
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validate_source xCAT/xcat.conf.apach24
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if [ "$status" -ne 0 ]; then
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exit "$status"
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fi
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if [ "$mode" = "--stage" ]; then
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if [ ! -d "$stage_directory" ]; then
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printf '%s is not a directory\n' "$stage_directory" >&2
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exit 1
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fi
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replace_target "$repo_root/xCAT/xcat.conf" "$stage_directory/xcat.conf"
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replace_target "$repo_root/xCAT/xcat.conf.apach24" \
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"$stage_directory/xcat.conf.apach24"
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else
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sync_pair xCAT/xcat.conf xCATsn/xcat.conf
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sync_pair xCAT/xcat.conf.apach24 xCATsn/xcat.conf.apach24
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fi
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exit "$status"
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