condor
74 lines
3.3 KiB
Bash
74 lines
3.3 KiB
Bash
#!/bin/bash
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# lib/loader.sh - common header loading and module sourcing utilities.
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#
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# Centralises the "public header" that every entry script used to repeat, and
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# provides guarded, consistent module sourcing so all modules are referenced by
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# their project-root-relative path (e.g. "modules/web/nginx.sh", "lib/color.sh").
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# Guard set of already-sourced modules (prevents double-sourcing side effects,
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# e.g. init_*.sh which execute at top level).
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# Resolve the project root from this file's own location. This makes every
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# sourced path absolute and cwd-independent, fixing "No such file or directory"
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# when the entry script is invoked from a directory other than the project root.
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# readlink -f canonicalises to an absolute path (symlink/cwd safe); the fallback
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# keeps it working on systems without readlink -f. loader.sh always lives at
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# <root>/lib/loader.sh, so <root> = dirname(dirname(this_file)).
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_ONEINSTACK_THIS="$(readlink -f "${BASH_SOURCE[0]}" 2>/dev/null || echo "${BASH_SOURCE[0]}")"
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_ONEINSTACK_LIB_DIR="$(cd "$(dirname "${_ONEINSTACK_THIS}")" && pwd)"
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oneinstack_dir="$(cd "${_ONEINSTACK_LIB_DIR}/.." && pwd)"
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export oneinstack_dir
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_LOADED_MODULES=""
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# Source a module file exactly once.
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# $1 = module path relative to the project root (e.g. "modules/web/nginx.sh")
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source_module() {
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local mod="$1"
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local path="${oneinstack_dir:-.}/${mod}"
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case ";${_LOADED_MODULES};" in
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*";${mod};"*) return 0 ;;
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esac
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[ -f "${path}" ] || { echo "${CFAILURE}ERROR: module not found: ${mod}${CEND}" >&2; return 1; }
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. "${path}" || return 1
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_LOADED_MODULES="${_LOADED_MODULES};${mod}"
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}
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# Load the common header exactly as the legacy top of install.sh did:
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# config/versions.txt, config/options.conf, color, check_os, check_dir, download, get_char
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load_common() {
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. "${oneinstack_dir}/config/versions.txt"
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. "${oneinstack_dir}/config/options.conf"
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. "${oneinstack_dir}/lib/color.sh"
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. "${oneinstack_dir}/lib/check_os.sh"
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. "${oneinstack_dir}/lib/check_dir.sh"
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. "${oneinstack_dir}/lib/download.sh"
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. "${oneinstack_dir}/lib/get_char.sh"
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}
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# Entry-point wrapper used by the workflow (see install.sh / workflow.sh).
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load_configs() {
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load_common
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}
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# Run a module's install function. Mirrors the legacy pattern
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# . modules/X.sh; Func 2>&1 | tee -a runtime/install.log
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# so every call site stays consistent (and is trivially de-duplicated).
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#
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# A visible "installing" banner is printed up front so the user always knows
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# which component is being built/installed at any moment. This matters because
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# the install runs many long compilations (nginx, php, mysql, ...) back-to-back;
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# without a per-component header the screen just shows a wall of `make` output
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# and it is impossible to tell what is currently running (or whether it hung).
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# ${func} 2>&1 | tee -a ... keeps the real build output on screen AND in the log,
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# so nothing is silent.
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run_install() {
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local module="$1" func="$2"
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echo ""
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echo "${CMSG}================================================================${CEND}"
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echo "${CMSG}>> Installing: ${func}${CEND}"
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echo "${CMSG} (module: ${module})${CEND}"
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echo "${CMSG}================================================================${CEND}"
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. "${module}" || { echo "${CFAILURE}ERROR: failed to load ${module}${CEND}" >&2; return 1; }
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${func} 2>&1 | tee -a "${oneinstack_dir}/runtime/install.log"
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}
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