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remove extra space on generate redirect-only commands

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This commit is contained in:
zawz 2021-06-21 16:56:23 +02:00
parent 76779cd32d
commit 052b2b92cb
1 changed files with 14 additions and 3 deletions
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17
src/generate.cpp
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@ -103,17 +103,21 @@ std::string list::generate(int ind, bool first_indent)
if(cls.size() <= 0)
return "";
std::string next;
for(uint32_t i=0; i<cls.size(); i++)
{
if(first_indent)
{
ret += indented(cls[i]->generate(ind), ind);
next = indented(cls[i]->generate(ind), ind);
}
else
{
first_indent=true;
ret += cls[i]->generate(ind);
next = cls[i]->generate(ind);
}
if(ret[ret.size()-1] == '&' && next.size()>0 && is_in(next[0], "<>"))
ret += '\n';
ret += next;
}
return ret;
}
@ -345,9 +349,12 @@ std::string cmd::generate(int ind, generate_context* ctx)
return ret;
}
bool has_args=false;
// pre-cmd var assigns
for(auto it: var_assigns)
{
has_args=true;
if(it.first != nullptr)
ret += it.first->generate(ind);
if(it.second != nullptr)
@ -358,6 +365,7 @@ std::string cmd::generate(int ind, generate_context* ctx)
// cmd itself
if(args!=nullptr && args->size()>0)
{
has_args=true;
// command
ret += args->generate(ind);
// delete potential trailing space
@ -370,7 +378,10 @@ std::string cmd::generate(int ind, generate_context* ctx)
ret.pop_back();
}
ret += generate_redirs(ind, ret, ctx);
std::string redirs = generate_redirs(ind, ret, ctx);
if(!has_args)
redirs.erase(redirs.begin());
ret += redirs;
return ret;
}