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authorJohn Ericson <John.Ericson@Obsidian.Systems>2021-02-25 21:58:41 +0000
committerJohn Ericson <John.Ericson@Obsidian.Systems>2021-02-25 21:58:41 +0000
commit90d76fa399de4e207ea14ec4c0dd65434f60c152 (patch)
tree3c52e982cba5bcf7b91c99d1b63ba967b4ea8b92 /src/nix/path-info.cc
parent4636cc9a1f6de70947abbfb17a0ad91981d1cad7 (diff)
parentca0994819d68aee26a2906c37a47ae609ac46c4c (diff)
Merge remote-tracking branch 'obsidian/path-info' into ca-drv-exotic
Diffstat (limited to 'src/nix/path-info.cc')
-rw-r--r--src/nix/path-info.cc65
1 files changed, 32 insertions, 33 deletions
diff --git a/src/nix/path-info.cc b/src/nix/path-info.cc
index 63cf885f9..518cd5568 100644
--- a/src/nix/path-info.cc
+++ b/src/nix/path-info.cc
@@ -18,10 +18,32 @@ struct CmdPathInfo : StorePathsCommand, MixJSON
CmdPathInfo()
{
- mkFlag('s', "size", "print size of the NAR dump of each path", &showSize);
- mkFlag('S', "closure-size", "print sum size of the NAR dumps of the closure of each path", &showClosureSize);
- mkFlag('h', "human-readable", "with -s and -S, print sizes like 1K 234M 5.67G etc.", &humanReadable);
- mkFlag(0, "sigs", "show signatures", &showSigs);
+ addFlag({
+ .longName = "size",
+ .shortName = 's',
+ .description = "Print the size of the NAR serialisation of each path.",
+ .handler = {&showSize, true},
+ });
+
+ addFlag({
+ .longName = "closure-size",
+ .shortName = 'S',
+ .description = "Print the sum of the sizes of the NAR serialisations of the closure of each path.",
+ .handler = {&showClosureSize, true},
+ });
+
+ addFlag({
+ .longName = "human-readable",
+ .shortName = 'h',
+ .description = "With `-s` and `-S`, print sizes in a human-friendly format such as `5.67G`.",
+ .handler = {&humanReadable, true},
+ });
+
+ addFlag({
+ .longName = "sigs",
+ .description = "Show signatures.",
+ .handler = {&showSigs, true},
+ });
}
std::string description() override
@@ -29,38 +51,15 @@ struct CmdPathInfo : StorePathsCommand, MixJSON
return "query information about store paths";
}
- Category category() override { return catSecondary; }
-
- Examples examples() override
+ std::string doc() override
{
- return {
- Example{
- "To show the closure sizes of every path in the current NixOS system closure, sorted by size:",
- "nix path-info -rS /run/current-system | sort -nk2"
- },
- Example{
- "To show a package's closure size and all its dependencies with human readable sizes:",
- "nix path-info -rsSh nixpkgs#rust"
- },
- Example{
- "To check the existence of a path in a binary cache:",
- "nix path-info -r /nix/store/7qvk5c91...-geeqie-1.1 --store https://cache.nixos.org/"
- },
- Example{
- "To print the 10 most recently added paths (using --json and the jq(1) command):",
- "nix path-info --json --all | jq -r 'sort_by(.registrationTime)[-11:-1][].path'"
- },
- Example{
- "To show the size of the entire Nix store:",
- "nix path-info --json --all | jq 'map(.narSize) | add'"
- },
- Example{
- "To show every path whose closure is bigger than 1 GB, sorted by closure size:",
- "nix path-info --json --all -S | jq 'map(select(.closureSize > 1e9)) | sort_by(.closureSize) | map([.path, .closureSize])'"
- },
- };
+ return
+ #include "path-info.md"
+ ;
}
+ Category category() override { return catSecondary; }
+
void printSize(uint64_t value)
{
if (!humanReadable) {