On Wed, 2010-12-08 at 14:55 -0700, Dax Mickelson wrote: > It seems we've been so careful to ensure no hashing occurs so far in > the build that I'm curious as to why the test 'su-tools nobody > -s /bin/bash -c "make RUN_EXPENSIVE_TEST=yes check" doesn't have some > sort of '+h' switch too. > > Obviously I need serious schooling. :-P
Because the point of avoiding hashing is to ensure that when a new program is installed into /bin or /usr/bin, it will immediately be used in preference to one in /tools/bin. Otherwise, it will remember that since 'ls' was '/tools/bin/ls' last time, it should keep using that one even though '/bin/ls' has appeared and is higher up the PATH. In this case, 1) a new shell is being started to run a single command before exiting, and 2) nothing is being installed during this step. For both reasons, hashing is irrelevant. Simon.
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