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nix-instantiate: Rename --eval-only to --eval, --parse-only to --parse

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This commit is contained in:
Eelco Dolstra 2014-02-19 16:34:24 +01:00
parent c31836008e
commit e1cf40fa95
4 changed files with 23 additions and 23 deletions
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30
doc/manual/nix-instantiate.xml
View file

@ -19,9 +19,9 @@
<cmdsynopsis> <cmdsynopsis>
<command>nix-instantiate</command> <command>nix-instantiate</command>
<group> <group>
<arg choice='plain'><option>--parse-only</option></arg> <arg choice='plain'><option>--parse</option></arg>
<arg choice='plain'> <arg choice='plain'>
<option>--eval-only</option> <option>--eval</option>
<arg><option>--strict</option></arg> <arg><option>--strict</option></arg>
<arg><option>--xml</option></arg> <arg><option>--xml</option></arg>
</arg> </arg>
@ -84,7 +84,7 @@ input.</para>
</varlistentry> </varlistentry>
<varlistentry><term><option>--parse-only</option></term> <varlistentry><term><option>--parse</option></term>
<listitem><para>Just parse the input files, and print their <listitem><para>Just parse the input files, and print their
abstract syntax trees on standard output in ATerm abstract syntax trees on standard output in ATerm
@ -92,7 +92,7 @@ input.</para>
</varlistentry> </varlistentry>
<varlistentry><term><option>--eval-only</option></term> <varlistentry><term><option>--eval</option></term>
<listitem><para>Just parse and evaluate the input files, and print <listitem><para>Just parse and evaluate the input files, and print
the resulting values on standard output. No instantiation of the resulting values on standard output. No instantiation of
@ -115,8 +115,8 @@ input.</para>
<varlistentry><term><option>--xml</option></term> <varlistentry><term><option>--xml</option></term>
<listitem><para>When used with <option>--parse-only</option> and <listitem><para>When used with <option>--parse</option> and
<option>--eval-only</option>, print the resulting expression as an <option>--eval</option>, print the resulting expression as an
XML representation of the abstract syntax tree rather than as an XML representation of the abstract syntax tree rather than as an
ATerm. The schema is the same as that used by the <link ATerm. The schema is the same as that used by the <link
linkend="builtin-toXML"><function>toXML</function> linkend="builtin-toXML"><function>toXML</function>
@ -126,7 +126,7 @@ input.</para>
<varlistentry><term><option>--strict</option></term> <varlistentry><term><option>--strict</option></term>
<listitem><para>When used with <option>--eval-only</option>, <listitem><para>When used with <option>--eval</option>,
recursively evaluate list elements and attributes. Normally, such recursively evaluate list elements and attributes. Normally, such
sub-expressions are left unevaluated (since the Nix expression sub-expressions are left unevaluated (since the Nix expression
language is lazy).</para> language is lazy).</para>
@ -140,9 +140,9 @@ input.</para>
<varlistentry><term><option>--read-write-mode</option></term> <varlistentry><term><option>--read-write-mode</option></term>
<listitem><para>When used with <option>--eval-only</option>, <listitem><para>When used with <option>--eval</option>, perform
perform evaluation in read/write mode so nix language features evaluation in read/write mode so nix language features that
that require it will still work (at the cost of needing to do require it will still work (at the cost of needing to do
instantiation of every evaluated derivation).</para> instantiation of every evaluated derivation).</para>
</listitem> </listitem>
@ -195,13 +195,13 @@ $ nix-instantiate '&lt;nixpkgs>' -A hello
<para>Parsing and evaluating Nix expressions: <para>Parsing and evaluating Nix expressions:
<screen> <screen>
$ nix-instantiate --parse-only -E '1 + 2' $ nix-instantiate --parse -E '1 + 2'
1 + 2 1 + 2
$ nix-instantiate --eval-only -E '1 + 2' $ nix-instantiate --eval -E '1 + 2'
3 3
$ nix-instantiate --eval-only --xml -E '1 + 2' $ nix-instantiate --eval --xml -E '1 + 2'
<![CDATA[<?xml version='1.0' encoding='utf-8'?> <![CDATA[<?xml version='1.0' encoding='utf-8'?>
<expr> <expr>
<int value="3" /> <int value="3" />
@ -212,7 +212,7 @@ $ nix-instantiate --eval-only --xml -E '1 + 2'
<para>The difference between non-strict and strict evaluation: <para>The difference between non-strict and strict evaluation:
<screen> <screen>
$ nix-instantiate --eval-only --xml -E 'rec { x = "foo"; y = x; }' $ nix-instantiate --eval --xml -E 'rec { x = "foo"; y = x; }'
<replaceable>...</replaceable><![CDATA[ <replaceable>...</replaceable><![CDATA[
<attr name="x"> <attr name="x">
<string value="foo" /> <string value="foo" />
@ -226,7 +226,7 @@ Note that <varname>y</varname> is left unevaluated (the XML
representation doesn’t attempt to show non-normal forms). representation doesn’t attempt to show non-normal forms).
<screen> <screen>
$ nix-instantiate --eval-only --xml --strict -E 'rec { x = "foo"; y = x; }' $ nix-instantiate --eval --xml --strict -E 'rec { x = "foo"; y = x; }'
<replaceable>...</replaceable><![CDATA[ <replaceable>...</replaceable><![CDATA[
<attr name="x"> <attr name="x">
<string value="foo" /> <string value="foo" />

4
src/nix-instantiate/nix-instantiate.cc
View file

@ -107,11 +107,11 @@ void run(Strings args)
readStdin = true; readStdin = true;
else if (arg == "--expr" || arg == "-E") else if (arg == "--expr" || arg == "-E")
fromArgs = true; fromArgs = true;
else if (arg == "--eval-only") else if (arg == "--eval" || arg == "--eval-only")
evalOnly = true; evalOnly = true;
else if (arg == "--read-write-mode") else if (arg == "--read-write-mode")
wantsReadWrite = true; wantsReadWrite = true;
else if (arg == "--parse-only") else if (arg == "--parse" || arg == "--parse-only")
parseOnly = evalOnly = true; parseOnly = evalOnly = true;
else if (arg == "--find-file") else if (arg == "--find-file")
findFile = true; findFile = true;

10
tests/lang.sh
View file

@ -7,7 +7,7 @@ fail=0
for i in lang/parse-fail-*.nix; do for i in lang/parse-fail-*.nix; do
echo "parsing $i (should fail)"; echo "parsing $i (should fail)";
i=$(basename $i .nix) i=$(basename $i .nix)
if nix-instantiate --parse-only - < lang/$i.nix; then if nix-instantiate --parse - < lang/$i.nix; then
echo "FAIL: $i shouldn't parse" echo "FAIL: $i shouldn't parse"
fail=1 fail=1
fi fi
@ -16,7 +16,7 @@ done
for i in lang/parse-okay-*.nix; do for i in lang/parse-okay-*.nix; do
echo "parsing $i (should succeed)"; echo "parsing $i (should succeed)";
i=$(basename $i .nix) i=$(basename $i .nix)
if ! nix-instantiate --parse-only - < lang/$i.nix > lang/$i.out; then if ! nix-instantiate --parse - < lang/$i.nix > lang/$i.out; then
echo "FAIL: $i should parse" echo "FAIL: $i should parse"
fail=1 fail=1
fi fi
@ -25,7 +25,7 @@ done
for i in lang/eval-fail-*.nix; do for i in lang/eval-fail-*.nix; do
echo "evaluating $i (should fail)"; echo "evaluating $i (should fail)";
i=$(basename $i .nix) i=$(basename $i .nix)
if nix-instantiate --eval-only lang/$i.nix; then if nix-instantiate --eval lang/$i.nix; then
echo "FAIL: $i shouldn't evaluate" echo "FAIL: $i shouldn't evaluate"
fail=1 fail=1
fi fi
@ -40,7 +40,7 @@ for i in lang/eval-okay-*.nix; do
if test -e lang/$i.flags; then if test -e lang/$i.flags; then
flags=$(cat lang/$i.flags) flags=$(cat lang/$i.flags)
fi fi
if ! NIX_PATH=lang/dir3:lang/dir4_PATH nix-instantiate $flags --eval-only --strict lang/$i.nix > lang/$i.out; then if ! NIX_PATH=lang/dir3:lang/dir4_PATH nix-instantiate $flags --eval --strict lang/$i.nix > lang/$i.out; then
echo "FAIL: $i should evaluate" echo "FAIL: $i should evaluate"
fail=1 fail=1
elif ! diff lang/$i.out lang/$i.exp; then elif ! diff lang/$i.out lang/$i.exp; then
@ -50,7 +50,7 @@ for i in lang/eval-okay-*.nix; do
fi fi
if test -e lang/$i.exp.xml; then if test -e lang/$i.exp.xml; then
if ! nix-instantiate --eval-only --xml --no-location --strict \ if ! nix-instantiate --eval --xml --no-location --strict \
lang/$i.nix > lang/$i.out.xml; then lang/$i.nix > lang/$i.out.xml; then
echo "FAIL: $i should evaluate" echo "FAIL: $i should evaluate"
fail=1 fail=1

2
tests/misc.sh
View file

@ -5,7 +5,7 @@ source common.sh
# Do all commands have help? # Do all commands have help?
#nix-env --help | grep -q install #nix-env --help | grep -q install
#nix-store --help | grep -q realise #nix-store --help | grep -q realise
#nix-instantiate --help | grep -q eval-only #nix-instantiate --help | grep -q eval
#nix-hash --help | grep -q base32 #nix-hash --help | grep -q base32
# Can we ask for the version number? # Can we ask for the version number?