[capture] don't save any empty stdin

tstack · tstack · commit 3e7a75c00bb8 · 2022-12-27T20:58:29.000-08:00
diff --git a/src/lnav.cc b/src/lnav.cc
@@ -3301,6 +3301,7 @@ SELECT tbl_name FROM sqlite_master WHERE sql LIKE 'CREATE VIRTUAL TABLE%'
             }
             if (!ghc::filesystem::exists(stdin_tmp_path)
                 || verbosity == verbosity_t::quiet || !stdin_size
+                || stdin_size.value() == 0
                 || stdin_size.value() > MAX_STDIN_CAPTURE_SIZE)
             {
                 std::error_code rm_err_code;

Original file line number	Diff line number	Diff line change
`@@ -3301,6 +3301,7 @@ SELECT tbl_name FROM sqlite_master WHERE sql LIKE 'CREATE VIRTUAL TABLE%'`
`3301`	`3301`	`}`
`3302`	`3302`	`if (!ghc::filesystem::exists(stdin_tmp_path)`
`3303`	`3303`	`\|\| verbosity == verbosity_t::quiet \|\| !stdin_size`
	`3304`	`+ \|\| stdin_size.value() == 0`
`3304`	`3305`	`\|\| stdin_size.value() > MAX_STDIN_CAPTURE_SIZE)`
`3305`	`3306`	`{`
`3306`	`3307`	`std::error_code rm_err_code;`