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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