Yann Autissier
5b4db64114
Ported from make/utils.mk, make/def.mk, make/apps/def.docker.mk and make/apps/def.mk, with the examples that sat as dead comments in make/apps/def.mk turned into actual assertions. Two deviations from the make macros are pinned and documented in DELTAS.md; both only show up on code paths nothing uses.
34 lines
1.1 KiB
Bash
34 lines
1.1 KiB
Bash
#shellcheck shell=sh
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# str: string helpers ported from make/utils.mk and make/def.mk.
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# myos_lower STRING / myos_upper STRING
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myos_lower() { printf '%s' "$1" | tr '[:upper:]' '[:lower:]'; }
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myos_upper() { printf '%s' "$1" | tr '[:lower:]-.' '[:upper:]__'; }
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# myos_name STRING compose-project-safe name: lowercase, no . - _
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# (make: $(subst _,,$(subst -,,$(subst .,,$(call LOWERCASE,$(1))))))
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myos_name() { printf '%s' "$1" | tr '[:upper:]' '[:lower:]' | tr -d '._-'; }
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# myos_slugify STRING keep [a-z0-9_], everything else becomes _
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myos_slugify() { printf '%s' "$1" | tr '[:upper:]' '[:lower:]' | sed 's/[^a-z0-9_]/_/g'; }
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# myos_reverse WORDS... reverse the order of space separated words
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myos_reverse() {
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_out=
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for _w in $1; do _out="$_w${_out:+ }$_out"; done
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printf '%s' "$_out"
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}
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# myos_verle A B true when version A <= B (make: verle)
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myos_verle() {
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[ -n "$1" ] || return 1
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[ -n "$2" ] || return 1
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[ "$1" = "$(printf '%s\n%s\n' "$1" "$2" | sort -V | head -n1)" ]
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}
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# myos_verlt A B true when version A < B
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myos_verlt() {
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[ "$1" = "$2" ] && return 1
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myos_verle "$1" "$2"
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}
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