Am 21.02.2016 um 15:40 schrieb Thomas Bächler: > When replacing existing post_install and post_upgrade functionality with > hooks, it > is necessary to ensure that pacman has already been upgraded. To allow a > smooth > transition, export the ALPM_FEATURE_HOOKS variable with the value 1 in all > processes > spawned by pacman. > > An install scriptlet can fall back to old behaviour if this variable is not > set, > but rely on pacman hooks if it is not set.
Typo:
^but rely on pacman hooks if it is set.
> ---
> lib/libalpm/util.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c
> index 001c042..86e3943 100644
> --- a/lib/libalpm/util.c
> +++ b/lib/libalpm/util.c
> @@ -545,6 +545,11 @@ static int _alpm_chroot_read_from_child(alpm_handle_t
> *handle, int fd,
> return 0;
> }
>
> +void _alpm_setup_child_environment()
> +{
> + setenv("ALPM_FEATURE_HOOKS", "1", 1);
> +}
> +
> /** Execute a command with arguments in a chroot.
> * @param handle the context handle
> * @param cmd command to execute
> @@ -618,6 +623,8 @@ int _alpm_run_chroot(alpm_handle_t *handle, const char
> *cmd, char *const argv[],
> close(cwdfd);
> }
>
> + /* set up the child environment */
> + _alpm_setup_child_environment();
> /* use fprintf instead of _alpm_log to send output through the
> parent */
> if(chroot(handle->root) != 0) {
> fprintf(stderr, _("could not change the root directory
> (%s)\n"), strerror(errno));
>
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