40d11cea3f
lazily close revlog files and keep up to 8 revlogs arround. also cache the latest extracted file descriptor of a revision in the revlog. this avoids the quite expensive reextracting/patching when we reopen the same file revision. dont use the racy mktemp()/create, instead create a uniqueue name and create with OEXCL. this also avoids a bunch of access() calls. fix eof case and use pread() in fcopy() to avoid the seeks. dont modify changelog temp file but simulate trailing newline instead. |
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