andersk / config-package-dev.git / blame
| Commit | Line | Data |
|---|---|---|
| ab8e2a67 TA |
1 | # |
| 2 | # divert_link <prefix> <suffix> | |
| 3 | # | |
| 4 | # Ensures that the file <prefix><suffix> is properly diverted to | |
| 5 | # <prefix>.divert-orig<suffix> by this package, and becomes a | |
| 6 | # symbolic link to either <prefix>.divert<suffix> (default) or | |
| 7 | # <prefix>.divert-orig<suffix>. | |
| 8 | # | |
| 9 | # undivert_unlink <prefix> <suffix> | |
| 10 | # | |
| 11 | # Undoes the action of divert_link <prefix> <suffix> specified | |
| 12 | # above. | |
| 13 | # | |
| 14 | # Version: 3.4 | |
| 15 | # | |
| 16 | ||
| 17 | package=#PACKAGE# | |
| 18 | ||
| 19 | ours=#DEB_DIVERT_EXTENSION# | |
| 20 | theirs=#DEB_DIVERT_EXTENSION#-orig | |
| 21 | ||
| 22 | divert_link() | |
| 23 | { | |
| 24 | prefix=$1 | |
| 25 | suffix=$2 | |
| 26 | ||
| 27 | file=$prefix$suffix | |
| 28 | ourfile=$prefix$ours$suffix | |
| 29 | theirfile=$prefix$theirs$suffix | |
| 30 | ||
| 31 | if ! dpkg-divert --list "$package" | \ | |
| 32 | grep -xFq "diversion of $file to $theirfile by $package"; then | |
| 33 | dpkg-divert --divert "$theirfile" --rename --package "$package" --add "$file" | |
| 34 | fi | |
| 35 | if [ ! -L "$file" ] && [ ! -e "$file" ]; then | |
| 36 | ln -s "$(basename "$ourfile")" "$file" | |
| 37 | elif [ ! -L "$file" ] || \ | |
| 38 | [ "$(readlink "$file")" != "$(basename "$ourfile")" -a \ | |
| 39 | "$(readlink "$file")" != "$(basename "$theirfile")" ]; then | |
| 40 | echo "*** OMINOUS WARNING ***: $file is not linked to either $(basename "$ourfile") or $(basename "$theirfile")" >&2 | |
| 41 | fi | |
| 42 | } | |
| 43 | ||
| 44 | undivert_unlink() | |
| 45 | { | |
| 46 | prefix=$1 | |
| 47 | suffix=$2 | |
| 48 | ||
| 49 | file=$prefix$suffix | |
| 50 | ourfile=$prefix$ours$suffix | |
| 51 | theirfile=$prefix$theirs$suffix | |
| 52 | ||
| 53 | if [ ! -L "$file" ] || \ | |
| 54 | [ "$(readlink "$file")" != "$(basename "$ourfile")" -a \ | |
| 55 | "$(readlink "$file")" != "$(basename "$theirfile")" ]; then | |
| 56 | echo "*** OMINOUS WARNING ***: $file is not linked to either $(basename "$ourfile") or $(basename "$theirfile")" >&2 | |
| 57 | else | |
| 58 | rm -f "$file" | |
| 59 | fi | |
| 60 | if [ ! -L "$file" ] && [ ! -e "$file" ]; then | |
| 61 | dpkg-divert --remove --rename --package "$package" "$file" | |
| 62 | else | |
| 63 | echo "Not removing diversion of $file by $package" >&2 | |
| 64 | fi | |
| 65 | } | |
| 66 |