Merge pull request #2158 from Ma27/improve-search-ux
search.cc: improve UX for `nix search`
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commit
dd98683e65
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@ -7,19 +7,25 @@
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#include "common-args.hh"
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#include "common-args.hh"
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#include "json.hh"
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#include "json.hh"
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#include "json-to-value.hh"
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#include "json-to-value.hh"
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#include "shared.hh"
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#include <regex>
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#include <regex>
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#include <fstream>
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#include <fstream>
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using namespace nix;
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using namespace nix;
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std::string hilite(const std::string & s, const std::smatch & m)
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std::string wrap(std::string prefix, std::string s)
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{
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return prefix + s + ANSI_NORMAL;
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}
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std::string hilite(const std::string & s, const std::smatch & m, std::string postfix)
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{
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{
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return
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return
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m.empty()
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m.empty()
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? s
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? s
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: std::string(m.prefix())
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: std::string(m.prefix())
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+ ANSI_RED + std::string(m.str()) + ANSI_NORMAL
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+ ANSI_RED + std::string(m.str()) + postfix
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+ std::string(m.suffix());
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+ std::string(m.suffix());
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}
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}
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@ -75,6 +81,10 @@ struct CmdSearch : SourceExprCommand, MixJSON
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"To search for git and frontend or gui:",
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"To search for git and frontend or gui:",
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"nix search git 'frontend|gui'"
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"nix search git 'frontend|gui'"
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},
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},
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Example{
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"To display the description of the found packages:",
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"nix search git --verbose"
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}
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};
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};
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}
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}
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@ -164,14 +174,10 @@ struct CmdSearch : SourceExprCommand, MixJSON
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} else {
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} else {
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results[attrPath] = fmt(
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results[attrPath] = fmt(
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"Attribute name: %s\n"
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"* %s (%s)\n %s\n",
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"Package name: %s\n"
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wrap("\e[0;1m", hilite(attrPath, attrPathMatch, "\e[0;1m")),
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"Version: %s\n"
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wrap("\e[0;2m", hilite(parsed.fullName, nameMatch, "\e[0;2m")),
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"Description: %s\n",
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hilite(description, descriptionMatch, ANSI_NORMAL));
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hilite(attrPath, attrPathMatch),
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hilite(name, nameMatch),
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parsed.version,
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hilite(description, descriptionMatch));
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}
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}
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}
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}
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@ -263,6 +269,10 @@ struct CmdSearch : SourceExprCommand, MixJSON
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throw SysError("cannot rename '%s' to '%s'", tmpFile, jsonCacheFileName);
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throw SysError("cannot rename '%s' to '%s'", tmpFile, jsonCacheFileName);
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}
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}
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if (results.size() == 0)
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throw Error("no results for the given search term(s)!");
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RunPager pager;
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for (auto el : results) std::cout << el.second << "\n";
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for (auto el : results) std::cout << el.second << "\n";
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}
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}
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