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Diffstat (limited to 'src/nix-env/nix-env.cc')
-rw-r--r--src/nix-env/nix-env.cc7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/nix-env/nix-env.cc b/src/nix-env/nix-env.cc
index 325c8b928..5116d955f 100644
--- a/src/nix-env/nix-env.cc
+++ b/src/nix-env/nix-env.cc
@@ -977,6 +977,9 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
return;
}
+ bool tty = isatty(STDOUT_FILENO);
+ RunPager pager;
+
Table table;
std::ostringstream dummy;
XMLWriter xml(true, *(xmlOutput ? &cout : &dummy));
@@ -1049,7 +1052,7 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
}
} else {
string column = (string) "" + ch + " " + version;
- if (diff == cvGreater && isatty(STDOUT_FILENO))
+ if (diff == cvGreater && tty)
column = ANSI_RED + column + ANSI_NORMAL;
columns.push_back(column);
}
@@ -1240,6 +1243,8 @@ static void opListGenerations(Globals & globals, Strings opFlags, Strings opArgs
int curGen;
Generations gens = findGenerations(globals.profile, curGen);
+ RunPager pager;
+
for (Generations::iterator i = gens.begin(); i != gens.end(); ++i) {
tm t;
if (!localtime_r(&i->creationTime, &t)) throw Error("cannot convert time");