diff options
| -rw-r--r-- | src/nix-env/help.txt | 3 | ||||
| -rw-r--r-- | src/nix-env/main.cc | 4 |
2 files changed, 5 insertions, 2 deletions
diff --git a/src/nix-env/help.txt b/src/nix-env/help.txt index d20c366cb7bf..e8319477415f 100644 --- a/src/nix-env/help.txt +++ b/src/nix-env/help.txt @@ -31,7 +31,8 @@ Install / upgrade / uninstall flags: Upgrade flags: --lt: upgrade if the current version is older (default) - --leq: upgrade if the current version is older or current + --leq: upgrade if the current version is older or equal + --eq: "upgrade" if the current version is equal --always: upgrade regardless of current version Query types: diff --git a/src/nix-env/main.cc b/src/nix-env/main.cc index 0198aed575c9..400bb0d87734 100644 --- a/src/nix-env/main.cc +++ b/src/nix-env/main.cc @@ -476,7 +476,7 @@ static void opInstall(Globals & globals, } -typedef enum { utLt, utLeq, utAlways } UpgradeType; +typedef enum { utLt, utLeq, utEq, utAlways } UpgradeType; static void upgradeDerivations(Globals & globals, @@ -520,6 +520,7 @@ static void upgradeDerivations(Globals & globals, int d = compareVersions(drvName.version, newName.version); if (upgradeType == utLt && d < 0 || upgradeType == utLeq && d <= 0 || + upgradeType == utEq && d == 0 || upgradeType == utAlways) { if ((bestElem == availElems.end() || @@ -562,6 +563,7 @@ static void opUpgrade(Globals & globals, i != opFlags.end(); ++i) if (*i == "--lt") upgradeType = utLt; else if (*i == "--leq") upgradeType = utLeq; + else if (*i == "--eq") upgradeType = utEq; else if (*i == "--always") upgradeType = utAlways; else throw UsageError(format("unknown flag `%1%'") % *i); |