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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-08-21 15:54:35 +0200
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-08-21 15:54:35 +0200
commita408953eebb0dc65441e9ec4becbc8e2dba6c0e8 (patch)
tree3a67925a4109d1392c0c8e961e4cab7945353aca /difftool
parent41bf6b0aa2594b8cd5732ca51982f5f95fe63724 (diff)
Update sqfsdiff documentation
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'difftool')
-rw-r--r--difftool/options.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/difftool/options.c b/difftool/options.c
index c0c1ca6..82b6ddc 100644
--- a/difftool/options.c
+++ b/difftool/options.c
@@ -29,6 +29,10 @@ static const char *usagestr =
"images, this actually parses the filesystems and generates a more\n"
"meaningful difference report.\n"
"\n"
+"The tool can also compare the contents of a squashfs image to a directory.\n"
+"This case is detected transparently if --new or --old referes to a directory\n"
+"instead of a squashfs image.\n"
+"\n"
"If only contents are compared, any differences in packed file layout,\n"
"ordering, compression, inode allocation and so on is ignored and the two\n"
"images are considered equal if each directory contains the same entries,\n"
@@ -40,8 +44,8 @@ static const char *usagestr =
"\n"
"Possible options:\n"
"\n"
-" --old, -a <first> The first of the two images to compare.\n"
-" --new, -b <second> The second of the two images to compare.\n"
+" --old, -a <first> The first of the two filesystems to compare.\n"
+" --new, -b <second> The second of the two filesystems to compare.\n"
"\n"
" --no-contents, -C Do not compare file contents.\n"
" --no-owner, -O Do not compare file owners.\n"