We do not want hook or notification commands to interact with the
terminal in any way. Create a new session for them.
Addresses GitHub issue #326.
Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
Disconnect stdin, stdout and stderr when running an external hook or
notification command. The previous solution of appending "<&- >&- 2>&-"
to the shell command line does not work if the command includes pipes.
Use shell_exec() in notify_launch_cmd() instead of a custom (and
incomplete) reimplementation of that command.
Partially addresses GitHub issue #326.
Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
Add a function parameter to allows redirecting stderr in addition to
stdin and stdout. The parameter will be used with a follow-up change.
Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
Hooks should not be run like external programs, but like load and save
operations that do not take possession of the terminal.
Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk>
Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
In commit 2857bac (Fix segfault when running hooks in non-interactive
mode, 2016-01-16), we added checks to fix a segmentation fault in
non-interactive mode. However, at the same time, that commit broke
window preparation in interactive mode.
When wins_prepare_external() is called, the UI mode is changed to
command line, such that we cannot determine whether we need to call
wins_unprepare_external() when returning from the hook. As a workaround,
we now store the mode in a temporary variable.
Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
Do not run wins_prepare_external() and wins_unprepare_external() before
and after running hooks in non-interactive mode.
Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
This adds support for hooks which are executed before/after saving
calcurse data. Hooks can be placed under hooks/pre-save and
hooks/post-save in the data directory and need to be executable.
Potential use cases include:
* Automatically commit any changes to the data files using a VCS.
* Automatically sync with some sever component on data file changes.
Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
