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OpenGrok FUSE filesystem and tools

Project description

opengrokfs implements a FUSE filesystem backed by the OpenGrok web interface. A cscope clone which uses the OpenGrok web interface as the backend is also included.

Install with pip:

pip3 install opengrokfs

Run opengrokfs with the URL of the OpenGrok start page and the local directory where the filesystem should be mounted:

mkdir -p mnt
opengrokfs mnt

Now you can access the files:

$ ls mnt/
Android.bp  bootable        bionic  development  external
art         bootstrap.bash  dalvik  device       frameworks

Use oggrep to search using OpenGrok’s “Full Search”:

$ cd mnt/bionic/
mnt/bionic$ oggrep O_LARGEFILE
libc/kernel/uapi/asm-arm/asm/fcntl.h:#define O_LARGEFILE 0400000
libc/kernel/uapi/asm-arm64/asm/fcntl.h:#define O_LARGEFILE 0400000
libc/bionic/lfs64_support.cpp:// are already 64-bit ready. In particular, we don't have non-O_LARGEFILE
libc/bionic/open.cpp:  return flags | O_LARGEFILE;
libc/kernel/uapi/asm-mips/asm/fcntl.h:#define O_LARGEFILE 0x2000
libc/kernel/uapi/asm-generic/fcntl.h:#ifndef O_LARGEFILE
libc/kernel/uapi/asm-generic/fcntl.h:#define O_LARGEFILE 00100000
tests/stdlib_test.cpp:  ASSERT_EQ(O_LARGEFILE, fcntl(tf.fd, F_GETFL) & O_LARGEFILE);

ogcscope emulates cscope’s line-oriented interface but uses OpenGrok as the backend:

mnt/bionic$ ogcscope -dl
cscope: 1 lines
libc/kernel/uapi/linux/sched.h <unknown> 41 #define CLONE_CHILD_SETTID 0x01000000
cscope: 5 lines
libc/bionic/clone.cpp <unknown> 53   if ((flags & (CLONE_PARENT_SETTID|CLONE_SETTLS|CLONE_CHILD_SETTID|CLONE_CHILD_CLEARTID)) != 0) {
libc/bionic/clone.cpp <unknown> 56   if ((flags & (CLONE_SETTLS|CLONE_CHILD_SETTID|CLONE_CHILD_CLEARTID)) != 0) {
libc/bionic/clone.cpp <unknown> 59   if ((flags & (CLONE_CHILD_SETTID|CLONE_CHILD_CLEARTID)) != 0) {
libc/bionic/fork.cpp <unknown> 34 #define FORK_FLAGS (CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD)
libc/kernel/uapi/linux/sched.h <unknown> 41 #define CLONE_CHILD_SETTID 0x01000000

ogcscope can be used from within any editor which supports cscope. For example, for vim:

mnt/bionic$ vim -c 'set cscopeprg=ogcscope' -c 'cs add .opengrokfs'

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Files for opengrokfs, version 0.2.1
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