forked from lix-project/lix
* `nix-env --upgrade --eq': only upgrade if the old version is equal
to the new version. This is actually useful.
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@ -31,7 +31,8 @@ Install / upgrade / uninstall flags:
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Upgrade flags:
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Upgrade flags:
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--lt: upgrade if the current version is older (default)
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--lt: upgrade if the current version is older (default)
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--leq: upgrade if the current version is older or current
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--leq: upgrade if the current version is older or equal
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--eq: "upgrade" if the current version is equal
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--always: upgrade regardless of current version
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--always: upgrade regardless of current version
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Query types:
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Query types:
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@ -476,7 +476,7 @@ static void opInstall(Globals & globals,
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}
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}
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typedef enum { utLt, utLeq, utAlways } UpgradeType;
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typedef enum { utLt, utLeq, utEq, utAlways } UpgradeType;
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static void upgradeDerivations(Globals & globals,
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static void upgradeDerivations(Globals & globals,
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@ -520,6 +520,7 @@ static void upgradeDerivations(Globals & globals,
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int d = compareVersions(drvName.version, newName.version);
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int d = compareVersions(drvName.version, newName.version);
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if (upgradeType == utLt && d < 0 ||
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if (upgradeType == utLt && d < 0 ||
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upgradeType == utLeq && d <= 0 ||
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upgradeType == utLeq && d <= 0 ||
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upgradeType == utEq && d == 0 ||
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upgradeType == utAlways)
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upgradeType == utAlways)
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{
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{
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if ((bestElem == availElems.end() ||
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if ((bestElem == availElems.end() ||
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@ -562,6 +563,7 @@ static void opUpgrade(Globals & globals,
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i != opFlags.end(); ++i)
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i != opFlags.end(); ++i)
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if (*i == "--lt") upgradeType = utLt;
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if (*i == "--lt") upgradeType = utLt;
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else if (*i == "--leq") upgradeType = utLeq;
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else if (*i == "--leq") upgradeType = utLeq;
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else if (*i == "--eq") upgradeType = utEq;
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else if (*i == "--always") upgradeType = utAlways;
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else if (*i == "--always") upgradeType = utAlways;
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else throw UsageError(format("unknown flag `%1%'") % *i);
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else throw UsageError(format("unknown flag `%1%'") % *i);
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