diff options
Diffstat (limited to 'src/nix-env')
-rw-r--r-- | src/nix-env/help.txt | 3 | ||||
-rw-r--r-- | src/nix-env/nix-env.cc | 15 |
2 files changed, 17 insertions, 1 deletions
diff --git a/src/nix-env/help.txt b/src/nix-env/help.txt index 16e47a73e3..b10c4b4924 100644 --- a/src/nix-env/help.txt +++ b/src/nix-env/help.txt @@ -52,6 +52,7 @@ Query sources: Query flags: + --xml: show output in XML format --status / -s: print installed/present status --no-name: hide derivation names --attr / -A: shows the unambiguous attribute name of the @@ -60,6 +61,8 @@ Query flags: --compare-versions / -c: compare version to available or installed --drv-path: print path of derivation --out-path: print path of derivation output + --description: print description + --meta: print all meta attributes (only with --xml) --prebuilt-only: only show derivations whose prebuilt binaries are available on this machine or are downloadable diff --git a/src/nix-env/nix-env.cc b/src/nix-env/nix-env.cc index 3eea5c0c55..9f965bd287 100644 --- a/src/nix-env/nix-env.cc +++ b/src/nix-env/nix-env.cc @@ -836,6 +836,7 @@ static void opQuery(Globals & globals, bool printDrvPath = false; bool printOutPath = false; bool printDescription = false; + bool printMeta = false; bool prebuiltOnly = false; bool compareVersions = false; bool xmlOutput = false; @@ -853,6 +854,7 @@ static void opQuery(Globals & globals, else if (*i == "--compare-versions" || *i == "-c") compareVersions = true; else if (*i == "--drv-path") printDrvPath = true; else if (*i == "--out-path") printOutPath = true; + else if (*i == "--meta") printMeta = true; else if (*i == "--installed") source = sInstalled; else if (*i == "--available" || *i == "-a") source = sAvailable; else if (*i == "--prebuilt-only" || *i == "-b") prebuiltOnly = true; @@ -1014,7 +1016,18 @@ static void opQuery(Globals & globals, } if (xmlOutput) - xml.writeEmptyElement("item", attrs); + if (printMeta) { + XMLOpenElement item(xml, "item", attrs); + MetaInfo meta = i->queryMetaInfo(globals.state); + for (MetaInfo::iterator j = meta.begin(); j != meta.end(); ++j) { + XMLAttrs attrs2; + attrs2["name"] = j->first; + attrs2["value"] = j->second; + xml.writeEmptyElement("meta", attrs2); + } + } + else + xml.writeEmptyElement("item", attrs); else table.push_back(columns); |