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Mention number of derivations to be build/fetched in output

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Also correct grammar for the case of a single derivation.
This commit is contained in:
Joe Hermaszewski 2020-06-17 13:41:25 +08:00
parent 29542865ce
commit da8aac6ce8
4 changed files with 21 additions and 9 deletions
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6
doc/manual/advanced-topics/diff-hook.xml
View File

@ -70,7 +70,7 @@ path just built.</para>
<screen>
$ nix-build ./deterministic.nix -A stable
these derivations will be built:
this derivation will be built:
/nix/store/z98fasz2jqy9gs0xbvdj939p27jwda38-stable.drv
building '/nix/store/z98fasz2jqy9gs0xbvdj939p27jwda38-stable.drv'...
/nix/store/yyxlzw3vqaas7wfp04g0b1xg51f2czgq-stable
@ -85,7 +85,7 @@ checking outputs of '/nix/store/z98fasz2jqy9gs0xbvdj939p27jwda38-stable.drv'...
<screen>
$ nix-build ./deterministic.nix -A unstable
these derivations will be built:
this derivation will be built:
/nix/store/cgl13lbj1w368r5z8gywipl1ifli7dhk-unstable.drv
building '/nix/store/cgl13lbj1w368r5z8gywipl1ifli7dhk-unstable.drv'...
/nix/store/krpqk0l9ib0ibi1d2w52z293zw455cap-unstable
@ -193,7 +193,7 @@ repeat = 1
An example output of this configuration:
<screen>
$ nix-build ./test.nix -A unstable
these derivations will be built:
this derivation will be built:
/nix/store/ch6llwpr2h8c3jmnf3f2ghkhx59aa97f-unstable.drv
building '/nix/store/ch6llwpr2h8c3jmnf3f2ghkhx59aa97f-unstable.drv' (round 1/2)...
building '/nix/store/ch6llwpr2h8c3jmnf3f2ghkhx59aa97f-unstable.drv' (round 2/2)...

2
doc/manual/advanced-topics/post-build-hook.xml
View File

@ -122,7 +122,7 @@ post-build-hook = /etc/nix/upload-to-cache.sh
<screen>
$ nix-build -E '(import &lt;nixpkgs&gt; {}).writeText "example" (builtins.toString builtins.currentTime)'
these derivations will be built:
this derivation will be built:
/nix/store/s4pnfbkalzy5qz57qs6yybna8wylkig6-example.drv
building '/nix/store/s4pnfbkalzy5qz57qs6yybna8wylkig6-example.drv'...
running post-build-hook '/home/grahamc/projects/github.com/NixOS/nix/post-hook.sh'...

2
doc/manual/command-ref/nix-env.xml
View File

@ -516,7 +516,7 @@ source:
$ nix-env -f '&lt;nixpkgs>' -iA hello --dry-run
(dry run; not doing anything)
installing ‘hello-2.10’
these paths will be fetched (0.04 MiB download, 0.19 MiB unpacked):
this path will be fetched (0.04 MiB download, 0.19 MiB unpacked):
/nix/store/wkhdf9jinag5750mqlax6z2zbwhqb76n-hello-2.10
<replaceable>...</replaceable></screen>

20
src/libmain/shared.cc
View File

@ -48,7 +48,10 @@ void printMissing(ref<Store> store, const StorePathSet & willBuild,
unsigned long long downloadSize, unsigned long long narSize, Verbosity lvl)
{
if (!willBuild.empty()) {
printMsg(lvl, "these derivations will be built:");
if (willBuild.size() == 1)
printMsg(lvl, fmt("this derivation will be built:"));
else
printMsg(lvl, fmt("these %d derivations will be built:", willBuild.size()));
auto sorted = store->topoSortPaths(willBuild);
reverse(sorted.begin(), sorted.end());
for (auto & i : sorted)
@ -56,9 +59,18 @@ void printMissing(ref<Store> store, const StorePathSet & willBuild,
}
if (!willSubstitute.empty()) {
printMsg(lvl, fmt("these paths will be fetched (%.2f MiB download, %.2f MiB unpacked):",
downloadSize / (1024.0 * 1024.0),
narSize / (1024.0 * 1024.0)));
const float downloadSizeMiB = downloadSize / (1024.f * 1024.f);
const float narSizeMiB = narSize / (1024.f * 1024.f);
if (willSubstitute.size() == 1) {
printMsg(lvl, fmt("this path will be fetched (%.2f MiB download, %.2f MiB unpacked):",
downloadSizeMiB,
narSizeMiB));
} else {
printMsg(lvl, fmt("these %d paths will be fetched (%.2f MiB download, %.2f MiB unpacked):",
willSubstitute.size(),
downloadSizeMiB,
narSizeMiB));
}
for (auto & i : willSubstitute)
printMsg(lvl, fmt(" %s", store->printStorePath(i)));
}