| #!/bin/sh |
| # |
| # Check if a given custom skeleton or overlay complies to the merged /usr |
| # requirements: |
| # / |
| # /bin -> usr/bin |
| # /lib -> usr/lib |
| # /sbin -> usr/sbin |
| # /usr/bin/ |
| # /usr/lib/ |
| # /usr/sbin/ |
| # |
| # Output: the list of non-compliant paths (empty if compliant). |
| # |
| |
| # Extract the inode numbers for all of those directories. In case any is |
| # a symlink, we want to get the inode of the pointed-to directory, so we |
| # append '/.' to be sure we get the target directory. Since the symlinks |
| # can be anyway (/bin -> /usr/bin or /usr/bin -> /bin), we do that for |
| # all of them. |
| # |
| lib_inode=$(stat -c '%i' "${1}/lib/." 2>/dev/null) |
| bin_inode=$(stat -c '%i' "${1}/bin/." 2>/dev/null) |
| sbin_inode=$(stat -c '%i' "${1}/sbin/." 2>/dev/null) |
| usr_lib_inode=$(stat -c '%i' "${1}/usr/lib/." 2>/dev/null) |
| usr_bin_inode=$(stat -c '%i' "${1}/usr/bin/." 2>/dev/null) |
| usr_sbin_inode=$(stat -c '%i' "${1}/usr/sbin/." 2>/dev/null) |
| |
| not_merged_dirs="" |
| test -z "$lib_inode" || \ |
| test "$lib_inode" = "$usr_lib_inode" || \ |
| not_merged_dirs="/lib" |
| test -z "$bin_inode" || \ |
| test "$bin_inode" = "$usr_bin_inode" || \ |
| not_merged_dirs="$not_merged_dirs /bin" |
| test -z "$sbin_inode" || \ |
| test "$sbin_inode" = "$usr_sbin_inode" || \ |
| not_merged_dirs="$not_merged_dirs /sbin" |
| echo "${not_merged_dirs# }" |
