Auto merge of #8682 - dtolnay:build-man, r=ehuss

Allow running build-man.sh from any directory Before: ```console $ src/doc/build-man.sh error: manifest path `../../crates/mdman/Cargo.toml` does not exist ``` After: works.
rust-lang · Sep 6, 2020 · 99134ae · 99134ae
2 parents cb7ba3d + 9296544
commit 99134ae
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/doc/build-man.sh b/src/doc/build-man.sh
@@ -12,6 +12,8 @@
 
 set -e
 
+cd "$(dirname "${BASH_SOURCE[0]}")"
+
 OPTIONS="--url https://doc.rust-lang.org/cargo/commands/ \
     --man rustc:1=https://doc.rust-lang.org/rustc/index.html \
     --man rustdoc:1=https://doc.rust-lang.org/rustdoc/index.html"