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Fixed revert issue

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This commit is contained in:
Wouter den Breejen 2007-07-26 11:39:55 +00:00
parent 0fc5accd86
commit 856251df03
3 changed files with 17 additions and 16 deletions
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19
src/nix-state/nix-state.cc
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@ -277,7 +277,8 @@ static void revertToRevision(Strings opFlags, Strings opArgs)
p_args.push_back("-c"); //we use the shell to execute the cp command becuase the shell expands the '*'
string cpcommand = "cp -R";
if(revertPathOrFile.substr(revertPathOrFile.length() -1 , revertPathOrFile.length()) == "/"){ //is dir
cpcommand += " " + (revertPathOrFile.substr(0, revertPathOrFile.length() -1) + "@" + unsignedInt2String(epoch) + "/*");
string revert_to_path = revertPathOrFile.substr(0, revertPathOrFile.length() -1) + "@" + unsignedInt2String(epoch);
cpcommand += " " + revert_to_path + "/*";
//clean all contents of the folder first (so were sure the path is clean)
if(pathExists(revertPathOrFile))
@ -288,6 +289,14 @@ static void revertToRevision(Strings opFlags, Strings opArgs)
continue;
else
ensureDirExists(revertPathOrFile);
//If the the dir has not contents then a cp ..../* will error since * cannot be expanded. So in this case were done and dont have to revert.
Strings p2_args;
p2_args.push_back("-A");
p2_args.push_back(revert_to_path + "/");
string output = runProgram("ls", true, p2_args);
if(output == "")
continue;
}
else{ //is file
cpcommand += " " + (revertPathOrFile + "@" + unsignedInt2String(epoch));
@ -299,15 +308,11 @@ static void revertToRevision(Strings opFlags, Strings opArgs)
continue;
}
}
printMsg(lvlError, format("Reverting '%1%'") % revertPathOrFile);
//Revert
printMsg(lvlError, format("Reverting '%1%'") % revertPathOrFile);
cpcommand += " " + revertPathOrFile;
p_args.push_back(cpcommand);
//for (Strings::iterator h = p_args.begin(); h != p_args.end(); ++h)
// printMsg(lvlError, format("SH ARGS '%1%'") % *h);
runProgram_AndPrintOutput("sh", true, p_args, "sh-cp"); //TODO does this work on windows?
}