diff options
Diffstat (limited to 'fish/cmds.c')
-rw-r--r-- | fish/cmds.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/fish/cmds.c b/fish/cmds.c index c802f90b..c9c05158 100644 --- a/fish/cmds.c +++ b/fish/cmds.c @@ -92,6 +92,7 @@ void list_commands (void) printf ("%-20s %s\n", "head", "return first 10 lines of a file"); printf ("%-20s %s\n", "head-n", "return first N lines of a file"); printf ("%-20s %s\n", "hexdump", "dump a file in hexadecimal"); + printf ("%-20s %s\n", "initrd-list", "list files in an initrd"); printf ("%-20s %s\n", "is-busy", "is busy processing a command"); printf ("%-20s %s\n", "is-config", "is in configuration state"); printf ("%-20s %s\n", "is-dir", "test if file exists"); @@ -116,6 +117,7 @@ void list_commands (void) printf ("%-20s %s\n", "mkdtemp", "create a temporary directory"); printf ("%-20s %s\n", "mkfs", "make a filesystem"); printf ("%-20s %s\n", "mount", "mount a guest disk at a position in the filesystem"); + printf ("%-20s %s\n", "mount-loop", "mount a file using the loop device"); printf ("%-20s %s\n", "mount-options", "mount a guest disk with mount options"); printf ("%-20s %s\n", "mount-ro", "mount a guest disk, read-only"); printf ("%-20s %s\n", "mount-vfs", "mount a guest disk with mount options and vfstype"); @@ -628,6 +630,12 @@ void display_command (const char *cmd) if (strcasecmp (cmd, "du") == 0) pod2text ("du - estimate file space usage", " du <path>\n\nThis command runs the C<du -s> command to estimate file space\nusage for C<path>.\n\nC<path> can be a file or a directory. If C<path> is a directory\nthen the estimate includes the contents of the directory and all\nsubdirectories (recursively).\n\nThe result is the estimated size in I<kilobytes>\n(ie. units of 1024 bytes)."); else + if (strcasecmp (cmd, "initrd_list") == 0 || strcasecmp (cmd, "initrd-list") == 0) + pod2text ("initrd-list - list files in an initrd", " initrd-list <path>\n\nThis command lists out files contained in an initrd.\n\nThe files are listed without any initial C</> character. The\nfiles are listed in the order they appear (not necessarily\nalphabetical). Directory names are listed as separate items.\n\nOld Linux kernels (2.4 and earlier) used a compressed ext2\nfilesystem as initrd. We I<only> support the newer initramfs\nformat (compressed cpio files)."); + else + if (strcasecmp (cmd, "mount_loop") == 0 || strcasecmp (cmd, "mount-loop") == 0) + pod2text ("mount-loop - mount a file using the loop device", " mount-loop <file> <mountpoint>\n\nThis command lets you mount C<file> (a filesystem image\nin a file) on a mount point. It is entirely equivalent to\nthe command C<mount -o loop file mountpoint>."); + else display_builtin_command (cmd); } @@ -3082,6 +3090,39 @@ static int run_du (const char *cmd, int argc, char *argv[]) return 0; } +static int run_initrd_list (const char *cmd, int argc, char *argv[]) +{ + char **r; + const char *path; + if (argc != 1) { + fprintf (stderr, "%s should have 1 parameter(s)\n", cmd); + fprintf (stderr, "type 'help %s' for help on %s\n", cmd, cmd); + return -1; + } + path = argv[0]; + r = guestfs_initrd_list (g, path); + if (r == NULL) return -1; + print_strings (r); + free_strings (r); + return 0; +} + +static int run_mount_loop (const char *cmd, int argc, char *argv[]) +{ + int r; + const char *file; + const char *mountpoint; + if (argc != 2) { + fprintf (stderr, "%s should have 2 parameter(s)\n", cmd); + fprintf (stderr, "type 'help %s' for help on %s\n", cmd, cmd); + return -1; + } + file = argv[0]; + mountpoint = argv[1]; + r = guestfs_mount_loop (g, file, mountpoint); + return r; +} + int run_action (const char *cmd, int argc, char *argv[]) { if (strcasecmp (cmd, "launch") == 0 || strcasecmp (cmd, "run") == 0) @@ -3528,6 +3569,12 @@ int run_action (const char *cmd, int argc, char *argv[]) if (strcasecmp (cmd, "du") == 0) return run_du (cmd, argc, argv); else + if (strcasecmp (cmd, "initrd_list") == 0 || strcasecmp (cmd, "initrd-list") == 0) + return run_initrd_list (cmd, argc, argv); + else + if (strcasecmp (cmd, "mount_loop") == 0 || strcasecmp (cmd, "mount-loop") == 0) + return run_mount_loop (cmd, argc, argv); + else { fprintf (stderr, "%s: unknown command\n", cmd); return -1; |