Turns out that `tail +2` or channel redirection may reorder lines, or the timing is very different to cause certain output to end up at the end of the stream. Maibe `tail +2` just works differently.
Unified · Split
| @@ -5,7 +5,7 @@ git init; · 4 unmodified lines | ||
| 5 | 5 | |
| 6 | 6 | function baseline() { |
| 7 | 7 | { |
| 8 | − git fetch --refmap= --dry-run -v origin "$@" 2>&1 | tail +2 | |
| 8 | + git fetch --refmap= --dry-run -v origin "$@" 2>&1 | |
| 9 | 9 | echo specs: "$@" |
| 10 | 10 | } >> baseline.git |
| 11 | 11 | } |
| @@ -29,7 +29,7 @@ mkdir base · 17 unmodified lines | ||
| 29 | 29 | |
| 30 | 30 | git clone --shared ./base clone |
| 31 | 31 | (cd clone |
| 32 | − git ls-remote 2>&1 | tail +2 > remote-refs.list | |
| 32 | + git ls-remote 2>&1 > remote-refs.list | |
| 33 | 33 | baseline "refs/heads/main" |
| 34 | 34 | baseline "heads/main" |
| 35 | 35 | baseline "main" |
| @@ -43,6 +43,9 @@ mod baseline { · 42 unmodified lines | ||
| 43 | 43 | let refs_buf = std::fs::read(dir.join("clone").join("remote-refs.list"))?; |
| 44 | 44 | let mut out = Vec::new(); |
| 45 | 45 | for line in refs_buf.lines() { |
| 46 | + if line.starts_with(b"From ") { | |
| 47 | + continue; | |
| 48 | + } | |
| 46 | 49 | let mut tokens = line.splitn(2, |b| *b == b'\t'); |
| 47 | 50 | let target = ObjectId::from_hex(tokens.next().expect("hex-sha"))?; |
| 48 | 51 | let name = tokens.next().expect("name"); |
| @@ -69,6 +72,9 @@ mod baseline { · 20 unmodified lines | ||
| 69 | 72 | let mut map = HashMap::new(); |
| 70 | 73 | let mut mappings = Vec::new(); |
| 71 | 74 | for line in buf.lines() { |
| 75 | + if line.starts_with(b"From ") { | |
| 76 | + continue; | |
| 77 | + } | |
| 72 | 78 | match line.strip_prefix(b"specs: ") { |
| 73 | 79 | Some(specs) => { |
| 74 | 80 | let key: Vec<_> = specs.split(|b| *b == b' ').map(BString::from).collect(); |