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printMissing(): Print derivations in approximate build order

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This commit is contained in:
Eelco Dolstra 2014-09-26 14:09:20 +02:00
parent 9b146a52f1
commit f77be20c16
1 changed files with 9 additions and 6 deletions
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15
src/libmain/shared.cc
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@ -9,6 +9,7 @@
#include <iostream>
#include <cctype>
#include <exception>
#include <algorithm>
#include <sys/time.h>
#include <sys/stat.h>
@ -58,23 +59,25 @@ void printMissing(const PathSet & willBuild,
{
if (!willBuild.empty()) {
printMsg(lvlInfo, format("these derivations will be built:"));
foreach (PathSet::iterator, i, willBuild)
printMsg(lvlInfo, format(" %1%") % *i);
Paths sorted = topoSortPaths(*store, willBuild);
reverse(sorted.begin(), sorted.end());
for (auto & i : sorted)
printMsg(lvlInfo, format(" %1%") % i);
}
if (!willSubstitute.empty()) {
printMsg(lvlInfo, format("these paths will be fetched (%.2f MiB download, %.2f MiB unpacked):")
% (downloadSize / (1024.0 * 1024.0))
% (narSize / (1024.0 * 1024.0)));
foreach (PathSet::iterator, i, willSubstitute)
printMsg(lvlInfo, format(" %1%") % *i);
for (auto & i : willSubstitute)
printMsg(lvlInfo, format(" %1%") % i);
}
if (!unknown.empty()) {
printMsg(lvlInfo, format("don't know how to build these paths%1%:")
% (settings.readOnlyMode ? " (may be caused by read-only store access)" : ""));
foreach (PathSet::iterator, i, unknown)
printMsg(lvlInfo, format(" %1%") % *i);
for (auto & i : unknown)
printMsg(lvlInfo, format(" %1%") % i);
}
}