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tests: exercise the RUNTIME_PREFIX feature
Originally, we refrained from adding a regression test in7b6c649637
(system_path(): Add prefix computation at runtime if RUNTIME_PREFIX set, 2008-08-10), and in226c0ddd0d
(exec_cmd: RUNTIME_PREFIX on some POSIX systems, 2018-04-10). The reason was that it was deemed too tricky to test. Turns out that it is not tricky to test at all: we simply create a pseudo-root, copy the `git` executable into the `git/` subdirectory of that pseudo-root, then copy a script into the `libexec/git-core/` directory and expect that to be picked up. As long as the trash directory is in a location where binaries can be executed, this works. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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parent
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5
Makefile
5
Makefile
@ -2826,6 +2826,11 @@ ifdef GIT_TEST_INDEX_VERSION
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endif
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ifdef GIT_TEST_PERL_FATAL_WARNINGS
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@echo GIT_TEST_PERL_FATAL_WARNINGS=\''$(subst ','\'',$(subst ','\'',$(GIT_TEST_PERL_FATAL_WARNINGS)))'\' >>$@+
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endif
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ifdef RUNTIME_PREFIX
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@echo RUNTIME_PREFIX=\'true\' >>$@+
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else
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@echo RUNTIME_PREFIX=\'false\' >>$@+
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endif
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@if cmp $@+ $@ >/dev/null 2>&1; then $(RM) $@+; else mv $@+ $@; fi
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@ -525,4 +525,22 @@ test_expect_success MINGW 'is_valid_path() on Windows' '
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"PRN./abc"
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'
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test_lazy_prereq RUNTIME_PREFIX '
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test true = "$RUNTIME_PREFIX"
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'
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test_lazy_prereq CAN_EXEC_IN_PWD '
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cp "$GIT_EXEC_PATH"/git$X ./ &&
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./git rev-parse
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'
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test_expect_success RUNTIME_PREFIX,CAN_EXEC_IN_PWD 'RUNTIME_PREFIX works' '
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mkdir -p pretend/bin pretend/libexec/git-core &&
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echo "echo HERE" | write_script pretend/libexec/git-core/git-here &&
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cp "$GIT_EXEC_PATH"/git$X pretend/bin/ &&
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GIT_EXEC_PATH= ./pretend/bin/git here >actual &&
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echo HERE >expect &&
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test_cmp expect actual
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'
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test_done
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