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rust_is_available: exit showing the documentation #932

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rust_is_available: exit showing the documentation #932

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18 changes: 12 additions & 6 deletions scripts/rust_is_available.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -21,14 +21,20 @@ get_canonical_version()
echo $((100000 * $1 + 100 * $2 + $3))
}

show_documentation_on_exit() {
echo >&2 "*** Please refer to Documentation/rust/quick-start.rst"
echo >&2 "***"
exit 1
}

# Check that the Rust compiler exists.
if ! command -v "$RUSTC" >/dev/null; then
if [ "$1" = -v ]; then
echo >&2 "***"
echo >&2 "*** Rust compiler '$RUSTC' could not be found."
echo >&2 "***"
fi
exit 1
show_documentation_on_exit
fi

# Check that the Rust bindings generator exists.
Expand All @@ -38,7 +44,7 @@ if ! command -v "$BINDGEN" >/dev/null; then
echo >&2 "*** Rust bindings generator '$BINDGEN' could not be found."
echo >&2 "***"
fi
exit 1
show_documentation_on_exit
fi

# Check that the Rust compiler version is suitable.
Expand All @@ -60,7 +66,7 @@ if [ "$rust_compiler_cversion" -lt "$rust_compiler_min_cversion" ]; then
echo >&2 "*** Minimum version: $rust_compiler_min_version"
echo >&2 "***"
fi
exit 1
show_documentation_on_exit
fi
if [ "$1" = -v ] && [ "$rust_compiler_cversion" -gt "$rust_compiler_min_cversion" ]; then
echo >&2 "***"
Expand Down Expand Up @@ -89,7 +95,7 @@ if [ "$rust_bindings_generator_cversion" -lt "$rust_bindings_generator_min_cvers
echo >&2 "*** Minimum version: $rust_bindings_generator_min_version"
echo >&2 "***"
fi
exit 1
show_documentation_on_exit
fi
if [ "$1" = -v ] && [ "$rust_bindings_generator_cversion" -gt "$rust_bindings_generator_min_cversion" ]; then
echo >&2 "***"
Expand Down Expand Up @@ -117,7 +123,7 @@ if [ "$bindgen_libclang_cversion" -lt "$bindgen_libclang_min_cversion" ]; then
echo >&2 "*** Minimum version: $bindgen_libclang_min_version"
echo >&2 "***"
fi
exit 1
show_documentation_on_exit
fi

# If the C compiler is Clang, then we can also check whether its version
Expand Down Expand Up @@ -156,5 +162,5 @@ if [ ! -e "$rustc_src_core" ]; then
echo >&2 "*** at '$rustc_src_core'."
echo >&2 "***"
fi
exit 1
show_documentation_on_exit
fi