forked from lix-project/lix
30dcc19d1f
I think it is bad for these reasons when `tests/` contains a mix of
functional and integration tests
- Concepts is harder to understand, the documentation makes a good
unit vs functional vs integration distinction, but when the
integration tests are just two subdirs within `tests/` this is not
clear.
- Source filtering in the `flake.nix` is more complex. We need to
filter out some of the dirs from `tests/`, rather than simply pick
the dirs we want and take all of them. This is a good sign the
structure of what we are trying to do is not matching the structure
of the files.
With this change we have a clean:
```shell-session
$ git show 'HEAD:tests'
tree HEAD:tests
functional/
installer/
nixos/
```
(cherry picked from commit 68c81c7375)
129 lines
3.5 KiB
Nix
129 lines
3.5 KiB
Nix
let
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s1 = ''
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This is an indented multi-line string
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literal. An amount of whitespace at
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the start of each line matching the minimum
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indentation of all lines in the string
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literal together will be removed. Thus,
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in this case four spaces will be
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stripped from each line, even though
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THIS LINE is indented six spaces.
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Also, empty lines don't count in the
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determination of the indentation level (the
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previous empty line has indentation 0, but
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it doesn't matter).
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'';
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s2 = '' If the string starts with whitespace
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followed by a newline, it's stripped, but
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that's not the case here. Two spaces are
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stripped because of the " " at the start.
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'';
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s3 = ''
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This line is indented
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a bit further.
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''; # indentation of last line doesn't count if it's empty
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s4 = ''
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Anti-quotations, like ${if true then "so" else "not so"}, are
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also allowed.
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'';
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s5 = ''
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The \ is not special here.
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' can be followed by any character except another ', e.g. 'x'.
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Likewise for $, e.g. $$ or $varName.
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But ' followed by ' is special, as is $ followed by {.
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If you want them, use anti-quotations: ${"''"}, ${"\${"}.
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'';
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s6 = ''
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Tabs are not interpreted as whitespace (since we can't guess
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what tab settings are intended), so don't use them.
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This line starts with a space and a tab, so only one
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space will be stripped from each line.
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'';
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s7 = ''
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Also note that if the last line (just before the closing ' ')
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consists only of whitespace, it's ignored. But here there is
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some non-whitespace stuff, so the line isn't removed. '';
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s8 = '' ${""}
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This shows a hacky way to preserve an empty line after the start.
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But there's no reason to do so: you could just repeat the empty
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line.
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'';
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s9 = ''
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${""} Similarly you can force an indentation level,
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in this case to 2 spaces. This works because the anti-quote
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is significant (not whitespace).
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'';
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s10 = ''
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'';
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s11 = '''';
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s12 = '' '';
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s13 = ''
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start on network-interfaces
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start script
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rm -f /var/run/opengl-driver
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${if true
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then "ln -sf 123 /var/run/opengl-driver"
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else if true
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then "ln -sf 456 /var/run/opengl-driver"
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else ""
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}
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rm -f /var/log/slim.log
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end script
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env SLIM_CFGFILE=${"abc"}
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env SLIM_THEMESDIR=${"def"}
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env FONTCONFIG_FILE=/etc/fonts/fonts.conf # !!! cleanup
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env XKB_BINDIR=${"foo"}/bin # Needed for the Xkb extension.
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env LD_LIBRARY_PATH=${"libX11"}/lib:${"libXext"}/lib:/usr/lib/ # related to xorg-sys-opengl - needed to load libglx for (AI)GLX support (for compiz)
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${if true
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then "env XORG_DRI_DRIVER_PATH=${"nvidiaDrivers"}/X11R6/lib/modules/drivers/"
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else if true
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then "env XORG_DRI_DRIVER_PATH=${"mesa"}/lib/modules/dri"
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else ""
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}
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exec ${"slim"}/bin/slim
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'';
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s14 = ''
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Escaping of ' followed by ': '''
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Escaping of $ followed by {: ''${
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And finally to interpret \n etc. as in a string: ''\n, ''\r, ''\t.
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'';
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# Regression test: string interpolation in '${x}' should work, but didn't.
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s15 = let x = "bla"; in ''
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foo
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'${x}'
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bar
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'';
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# Regression test: accept $'.
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s16 = ''
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cut -d $'\t' -f 1
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'';
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# Accept dollars at end of strings
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s17 = ''ending dollar $'' + ''$'' + "\n";
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in s1 + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10 + s11 + s12 + s13 + s14 + s15 + s16 + s17
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