Project: datamanagement
Issue DM-3937: HSC backport: temporary file handling in butler
The HSC fork includes additional work to improve temporary file usage in the butler: * [HSC-1275|https://hsc-jira.astro.princeton.edu/jira/browse/HSC-1275]: Probable resource leakage by butler * [HSC-1285|https://hsc-jira.astro.princeton.edu/jira/browse/HSC-1285]: eups.version files ignore umask * [HSC-1292|https://hsc-jira.astro.princeton.edu/jira/browse/HSC-1292]: Prevent opening files that are already open
Story points: 1