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* tree-wide: drop NULL sentinel from strjoinZbigniew Jędrzejewski-Szmek2016-10-231-2/+2
| | | | | | | | | | | | | This makes strjoin and strjoina more similar and avoids the useless final argument. spatch -I . -I ./src -I ./src/basic -I ./src/basic -I ./src/shared -I ./src/shared -I ./src/network -I ./src/locale -I ./src/login -I ./src/journal -I ./src/journal -I ./src/timedate -I ./src/timesync -I ./src/nspawn -I ./src/resolve -I ./src/resolve -I ./src/systemd -I ./src/core -I ./src/core -I ./src/libudev -I ./src/udev -I ./src/udev/net -I ./src/udev -I ./src/libsystemd/sd-bus -I ./src/libsystemd/sd-event -I ./src/libsystemd/sd-login -I ./src/libsystemd/sd-netlink -I ./src/libsystemd/sd-network -I ./src/libsystemd/sd-hwdb -I ./src/libsystemd/sd-device -I ./src/libsystemd/sd-id128 -I ./src/libsystemd-network --sp-file coccinelle/strjoin.cocci --in-place $(git ls-files src/*.c) git grep -e '\bstrjoin\b.*NULL' -l|xargs sed -i -r 's/strjoin\((.*), NULL\)/strjoin(\1)/' This might have missed a few cases (spatch has a really hard time dealing with _cleanup_ macros), but that's no big issue, they can always be fixed later.
* mount-tool: return 0 instead of NULL in the acquire_description() (#4009)0xAX2016-08-221-4/+6
| | | | | | | | | | | | to prevent: src/mount/mount-tool.c: In function ‘acquire_description’: src/mount/mount-tool.c:728:24: warning: return makes integer from pointer without a cast [-Wint-conversion] return NULL; ^~~~ warning. Additionally we don't set Description property in a case when arg_description is NULL.
* add a new tool for creating transient mount and automount unitsLennart Poettering2016-08-182-0/+1113
This adds "systemd-mount" which is for transient mount and automount units what "systemd-run" is for transient service, scope and timer units. The tool allows establishing mounts and automounts during runtime. It is very similar to the usual /bin/mount commands, but can pull in additional dependenices on access (for example, it pulls in fsck automatically), an take benefit of the automount logic. This tool is particularly useful for mount removable file systems (such as USB sticks), as the automount logic (together with automatic unmount-on-idle), as well as automatic fsck on first access ensure that the removable file system has a high chance to remain in a fully clean state even when it is unplugged abruptly, and returns to a clean state on the next re-plug. This is a follow-up for #2471, as it adds a simple client-side for the transient automount logic added in that PR. In later work it might make sense to invoke this tool automatically from udev rules in order to implement a simpler and safer version of removable media management á la udisks.