forked from lix-project/lix
Isabel
d2422771eb
(cherry picked from commit 8cd1d02f90eb9915e640c5d370d919fad9833c65)
nix flake show: Only print up to the first new line if it exists.
(cherry picked from commit 5281a44927bdb51bfe6e5de12262d815c98f6fe7)
add tests
(cherry picked from commit 74ae0fbdc70a5079a527fe143c4832d1357011f7)
Handle long strings, embedded new lines and empty descriptions
(cherry picked from commit 2ca7b3afdbbd983173a17fa0a822cf7623601367)
Account for total length of 80
(cherry picked from commit 1cc808c18cbaaf26aaae42bb1d7f7223f25dd364)
docs: add nix flake show description release note
fix: remove white space
nix flake show: trim length based on terminal size
test: account for terminal size
docs(flake-description): before and after commands; add myself to credits
Upstream-PR: https://github.com/NixOS/nix/pull/10980
Change-Id: Ie1c667dc816b3dd81e65a1f5395e57ea48ee0362
116 lines
3.6 KiB
Bash
116 lines
3.6 KiB
Bash
source ./common.sh
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flakeDir=$TEST_ROOT/flake
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mkdir -p "$flakeDir"
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writeSimpleFlake "$flakeDir"
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cd "$flakeDir"
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# By default: Only show the packages content for the current system and no
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# legacyPackages at all
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nix flake show --json > show-output.json
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nix eval --impure --expr '
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let show_output = builtins.fromJSON (builtins.readFile ./show-output.json);
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in
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assert show_output.packages.someOtherSystem.default == {};
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assert show_output.packages.${builtins.currentSystem}.default.name == "simple";
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assert show_output.legacyPackages.${builtins.currentSystem} == {};
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true
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'
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# With `--all-systems`, show the packages for all systems
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nix flake show --json --all-systems > show-output.json
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nix eval --impure --expr '
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let show_output = builtins.fromJSON (builtins.readFile ./show-output.json);
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in
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assert show_output.packages.someOtherSystem.default.name == "simple";
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assert show_output.legacyPackages.${builtins.currentSystem} == {};
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true
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'
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# With `--legacy`, show the legacy packages
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nix flake show --json --legacy > show-output.json
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nix eval --impure --expr '
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let show_output = builtins.fromJSON (builtins.readFile ./show-output.json);
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in
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assert show_output.legacyPackages.${builtins.currentSystem}.hello.name == "simple";
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true
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'
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# Test that attributes are only reported when they have actual content
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cat >flake.nix <<EOF
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{
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description = "Bla bla";
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outputs = inputs: rec {
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apps.$system = { };
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checks.$system = { };
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devShells.$system = { };
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legacyPackages.$system = { };
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packages.$system = { };
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packages.someOtherSystem = { };
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formatter = { };
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nixosConfigurations = { };
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nixosModules = { };
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};
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}
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EOF
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nix flake show --json --all-systems > show-output.json
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nix eval --impure --expr '
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let show_output = builtins.fromJSON (builtins.readFile ./show-output.json);
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in
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assert show_output == { };
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true
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'
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# Test that attributes with errors are handled correctly.
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# nixpkgs.legacyPackages is a particularly prominent instance of this.
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cat >flake.nix <<EOF
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{
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outputs = inputs: {
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legacyPackages.$system = {
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AAAAAASomeThingsFailToEvaluate = throw "nooo";
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simple = import ./simple.nix;
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};
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};
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}
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EOF
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nix flake show --json --legacy --all-systems > show-output.json
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nix eval --impure --expr '
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let show_output = builtins.fromJSON (builtins.readFile ./show-output.json);
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in
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assert show_output.legacyPackages.${builtins.currentSystem}.AAAAAASomeThingsFailToEvaluate == { };
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assert show_output.legacyPackages.${builtins.currentSystem}.simple.name == "simple";
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true
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'
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cat >flake.nix<<EOF
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{
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outputs = inputs: {
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packages.$system = {
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aNoDescription = import ./simple.nix;
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bOneLineDescription = import ./simple.nix // { meta.description = "one line"; };
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cMultiLineDescription = import ./simple.nix // { meta.description = ''
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line one
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line two
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''; };
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dLongDescription = import ./simple.nix // { meta.description = ''
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abcdefghijklmnopqrstuvwxyz
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''; };
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eEmptyDescription = import ./simple.nix // { meta.description = ""; };
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};
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};
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}
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EOF
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unbuffer sh -c '
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stty rows 20 cols 100
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nix flake show > show-output.txt
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'
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test "$(awk -F '[:] ' '/aNoDescription/{print $NF}' ./show-output.txt)" = "package 'simple'"
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test "$(awk -F '[:] ' '/bOneLineDescription/{print $NF}' ./show-output.txt)" = "package 'simple' - 'one line'"
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test "$(awk -F '[:] ' '/cMultiLineDescription/{print $NF}' ./show-output.txt)" = "package 'simple' - 'line one'"
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test "$(awk -F '[:] ' '/dLongDescription/{print $NF}' ./show-output.txt)" = "package 'simple' - 'abcdefghijklmnopqrs...'"
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test "$(awk -F '[:] ' '/eEmptyDescription/{print $NF}' ./show-output.txt)" = "package 'simple'"
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