70 lines
2.2 KiB
Bash
70 lines
2.2 KiB
Bash
#! /bin/sh
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# $NetBSD: var-precedence.sh,v 1.1 2020/05/17 13:35:35 rillig Exp $
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#
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# Demonstrates how environment variables interact with variables defined
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# in the Makefiles and variables defined in the command line.
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#
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# Everything works exactly as documented in the bmake manual page.
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#
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set -eu
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. './test.subr'
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# usage: vartest <testname> <command> <expected>
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vartest() {
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test_case_begin "$1" || return 0
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create_file_lines 'var.mk' \
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'.if defined(DEFAULT)' \
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'VAR?= default' \
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'.endif' \
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'' \
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'.if defined(SET)' \
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'VAR= set' \
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'.endif' \
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'' \
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'.if defined(APPEND)' \
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'VAR+= append' \
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'.endif' \
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'' \
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'.if defined(RESET)' \
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'.undef VAR' \
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'VAR= reset' \
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'.endif' \
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'' \
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'all:' \
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' @printf '\''%s\n'\'' '\'\''${VAR:Q}'
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unset DEFAULT SET APPEND VAR
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eval "$2" 1> "$tmpdir/output" 2>&1 \
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&& exitcode=0 || exitcode=$?
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assert_that "$exitcode" --equals '0'
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assert_that "$tmpdir/output" --file-is-lines \
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"$3"
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test_case_end
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}
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vartest 'undefined' ' run_bmake var.mk' ''
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vartest 'env' 'VAR=env run_bmake var.mk' 'env'
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vartest 'env + flag' 'VAR=env run_bmake var.mk VAR=flag' 'flag'
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vartest 'env + default' 'VAR=env run_bmake var.mk DEFAULT=yes' 'env'
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vartest 'env + set' 'VAR=env run_bmake var.mk SET=yes' 'set'
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vartest 'env + append' 'VAR=env run_bmake var.mk APPEND=yes' 'env append'
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vartest 'env + reset' 'VAR=env run_bmake var.mk RESET=yes' 'reset'
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vartest 'flag' ' run_bmake var.mk VAR=flag' 'flag'
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vartest 'flag + default' ' run_bmake var.mk VAR=flag DEFAULT=yes' 'flag'
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vartest 'flag + set' ' run_bmake var.mk VAR=flag SET=yes' 'flag'
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vartest 'flag + append' ' run_bmake var.mk VAR=flag APPEND=yes' 'flag'
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vartest 'flag + reset' ' run_bmake var.mk VAR=flag RESET=yes' 'flag'
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# The override flag is not used in pkgsrc.
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vartest 'env + override' 'VAR=env run_bmake var.mk -e' 'env'
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vartest 'env + override + flag' 'VAR=env run_bmake var.mk -e VAR=flag' 'flag'
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vartest 'env + override + default' 'VAR=env run_bmake var.mk -e DEFAULT=yes' 'env'
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vartest 'env + override + set' 'VAR=env run_bmake var.mk -e SET=yes' 'env'
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vartest 'env + override + append' 'VAR=env run_bmake var.mk -e APPEND=yes' 'env'
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vartest 'env + override + reset' 'VAR=env run_bmake var.mk -e RESET=yes' 'env'
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