[Libguestfs] [PATCH] New API: aug_transform

Expose the aug_transform API through the library, so it's possible to add/remove Augeas transformations to handle files in custom places using existing lenses. --- daemon/augeas.c | 21 +++++++++++++++++++++ generator/actions.ml | 12 ++++++++++++ gobject/Makefile.inc | 2 ++ src/MAX_PROC_NR | 2 +- 4 files changed, 36 insertions(+), 1 deletion(-) diff --git a/daemon/augeas.c b/daemon/augeas.c index 14cc0cf..5adc959 100644 --- a/daemon/augeas.c +++ b/daemon/augeas.c @@ -491,3 +491,24 @@ do_aug_label (const char *augpath) return ret; /* caller frees */ } + +/* Takes optional arguments, consult optargs_bitmask. */ +int +do_aug_transform (const char *lens, const char *file, int remove) +{ + int r; + int excl = 0; /* add by default */ + + NEED_AUG (-1); + + if (optargs_bitmask & GUESTFS_AUG_TRANSFORM_REMOVE_BITMASK) + excl = remove; + + r = aug_transform (aug, lens, file, excl); + if (r == -1) { + AUGEAS_ERROR ("aug_transform: %s: %s: %s", lens, file, excl ? "excl" : "incl"); + return -1; + } + + return r; +} diff --git a/generator/actions.ml b/generator/actions.ml index eccef00..aa26649 100644 --- a/generator/actions.ml +++ b/generator/actions.ml @@ -13205,6 +13205,18 @@ only the unallocated blocks will be extracted. This is useful to detect hidden data or to retrieve deleted files which data units have not been overwritten yet." }; + { defaults with + name = "aug_transform"; added = (1, 35, 2); + style = RErr, [String "lens"; String "file"], [ OBool "remove"]; + proc_nr = Some 469; + shortdesc = "add/remove an Augeas lens transformation"; + longdesc = "\ +Add an Augeas transformation for the specified C<lens> so it can +handle C<file>. + +If C<remove> is true (C<false> by default), then the transformation +is removed." }; + ] (* Non-API meta-commands available only in guestfish. diff --git a/gobject/Makefile.inc b/gobject/Makefile.inc index 7698c2a..149e4c6 100644 --- a/gobject/Makefile.inc +++ b/gobject/Makefile.inc @@ -53,6 +53,7 @@ guestfs_gobject_headers= \ include/guestfs-gobject/optargs-add_drive.h \ include/guestfs-gobject/optargs-add_drive_scratch.h \ include/guestfs-gobject/optargs-add_libvirt_dom.h \ + include/guestfs-gobject/optargs-aug_transform.h \ include/guestfs-gobject/optargs-btrfs_filesystem_defragment.h \ include/guestfs-gobject/optargs-btrfs_filesystem_resize.h \ include/guestfs-gobject/optargs-btrfs_fsck.h \ @@ -143,6 +144,7 @@ guestfs_gobject_sources= \ src/optargs-add_drive.c \ src/optargs-add_drive_scratch.c \ src/optargs-add_libvirt_dom.c \ + src/optargs-aug_transform.c \ src/optargs-btrfs_filesystem_defragment.c \ src/optargs-btrfs_filesystem_resize.c \ src/optargs-btrfs_fsck.c \ diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR index 1023289..5ef9d24 100644 --- a/src/MAX_PROC_NR +++ b/src/MAX_PROC_NR @@ -1 +1 @@ -468 +469 -- 2.7.4