mdebray/tvl-depot
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

* `nix-store --realise': print what paths will be built/downloaded,

Browse source 
just like nix-env.
* `nix-store --realise': --dry-run option.
This commit is contained in:
Eelco Dolstra 2008-08-04 13:44:46 +00:00
parent 42043953c3
commit a1d310b6b5
4 changed files with 50 additions and 37 deletions
Download patch file Download diff file Expand all files Collapse all files

29
src/libmain/shared.cc
View file

@ -4,6 +4,7 @@
#include "globals.hh"
#include "store-api.hh"
#include "util.hh"
#include "misc.hh"
#include <iostream>
#include <cctype>
@ -49,6 +50,34 @@ void printGCWarning()
}
void printMissing(const PathSet & paths)
{
unsigned long long downloadSize;
PathSet willBuild, willSubstitute, unknown;
queryMissing(paths, willBuild, willSubstitute, unknown, downloadSize);
if (!willBuild.empty()) {
printMsg(lvlInfo, format("the following derivations will be built:"));
foreach (PathSet::iterator, i, willBuild)
printMsg(lvlInfo, format(" %1%") % *i);
}
if (!willSubstitute.empty()) {
printMsg(lvlInfo, format("the following paths will be downloaded/copied (%.2f MiB):") %
(downloadSize / (1024.0 * 1024.0)));
foreach (PathSet::iterator, i, willSubstitute)
printMsg(lvlInfo, format(" %1%") % *i);
}
if (!unknown.empty()) {
printMsg(lvlInfo, format("don't know how to build the following paths%1%:")
% (readOnlyMode ? " (may be caused by read-only store access)" : ""));
foreach (PathSet::iterator, i, unknown)
printMsg(lvlInfo, format(" %1%") % *i);
}
}
static void setLogType(string lt)
{
if (lt == "pretty") logType = ltPretty;