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install: Improve error handling

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This commit is contained in:
Brian Anderson 2014-03-21 20:12:51 -07:00
parent 169f08dd59
commit eed808b532
1 changed files with 28 additions and 11 deletions
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39
src/etc/install.sh
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@ -224,13 +224,14 @@ step_msg "validating $CFG_SELF args"
validate_opt
# Sanity check: can we can write to the destination?
mkdir -p "${CFG_PREFIX}/lib"
umask 022 && mkdir -p "${CFG_PREFIX}/lib"
need_ok "directory creation failed"
touch "${CFG_PREFIX}/lib/rust-install-probe" 2> /dev/null
if [ $? -ne 0 ]
then
err "can't write to destination. try again with 'sudo'."
fi
rm -r "${CFG_PREFIX}/lib/rust-install-probe"
rm "${CFG_PREFIX}/lib/rust-install-probe"
need_ok "failed to remove install probe"
# Sanity check: can we run these binaries?
@ -238,35 +239,51 @@ need_ok "failed to remove install probe"
need_ok "can't run these binaries on this platform"
# First, uninstall from the installation prefix
# First, uninstall from the installation prefix.
# Errors are warnings - try to rm everything in the manifest even if some fail.
# FIXME: Hardcoded 'rustlib' ignores CFG_RUSTLIBDIR
if [ -f "${CFG_PREFIX}/lib/rustlib/manifest" ]
then
# Iterate through installed manifest and remove files
while read p; do
msg "uninstall ${CFG_PREFIX}/$p"
rm "${CFG_PREFIX}/$p"
need_ok "failed to remove file"
msg "removing ${CFG_PREFIX}/$p"
if [ -f "${CFG_PREFIX}/$p" ]
then
rm "${CFG_PREFIX}/$p"
if [ $? -ne 0 ]
then
warn "failed to remove ${CFG_PREFIX}/$p"
fi
else
warn "supposedly installed file ${CFG_PREFIX}/$p does not exist!"
fi
done < "${CFG_PREFIX}/lib/rustlib/manifest"
# Remove 'rustlib' directory
msg "uninstall ${CFG_PREFIX}/lib/rustlib"
msg "removing ${CFG_PREFIX}/lib/rustlib"
rm -r "${CFG_PREFIX}/lib/rustlib"
need_ok "failed to remove rustlib"
if [ $? -ne 0 ]
then
warn "failed to remove rustlib"
fi
else
if [ -n "${CFG_UNINSTALL}" ]
then
err "unable to find manifest at ${CFG_PREFIX}/lib/rustlib"
exit 0
err "unable to find installation manifest at ${CFG_PREFIX}/lib/rustlib"
fi
fi
# If we're only uninstalling then exit
if [ -n "${CFG_UNINSTALL}" ]
then
echo
echo " Rust is uninstalled. Have a nice day."
echo
exit 0
fi
# Iterate through the new manifest and install files
# Now install, iterate through the new manifest and copy files
while read p; do
umask 022 && mkdir -p "${CFG_PREFIX}/$(dirname $p)"