diff options
-rw-r--r-- | functions | 25 | ||||
-rw-r--r-- | mkinitcpio.8.txt | 9 |
2 files changed, 24 insertions, 10 deletions
@@ -402,22 +402,33 @@ add_dir() { } add_symlink() { - # Add a symlink to the initcpio image. + # Add a symlink to the initcpio image. There is no checking done + # to ensure that the target of the symlink exists. # $1: pathname of symlink on image - # $2: absolute path to target of symlink + # $2: absolute path to target of symlink (optional, can be read from $1) - (( $# == 2 )) || return 1 + local name_=$1 target_=$2 - add_dir "${1%/*}" + (( $# == 1 || $# == 2 )) || return 1 + + if [[ -z $target_ ]]; then + target_=$(readlink -f "$name_") + if [[ -z $target_ ]]; then + error 'invalid symlink: %s' "$name_" + return 1 + fi + fi + + add_dir "${name_%/*}" if (( ! QUIET )); then if [[ -L $BUILDROOT$1 ]]; then - plain "overwriting symlink %s -> %s" "$1" "$2" + plain "overwriting symlink %s -> %s" "$name_" "$target_" else - plain "adding symlink: %s -> %s" "$1" "$2" + plain "adding symlink: %s -> %s" "$name_" "$target_" fi fi - ln -sfn "$2" "$BUILDROOT$1" + ln -sfn "$target_" "$BUILDROOT$name_" } add_file() { diff --git a/mkinitcpio.8.txt b/mkinitcpio.8.txt index a33869d..efa385f 100644 --- a/mkinitcpio.8.txt +++ b/mkinitcpio.8.txt @@ -131,10 +131,13 @@ functions exist to facilitate this. calling *add_file*, *add_dir*, and *add_symlink* accordingly. This function will not follow symlinks, nor will it add the targets of symlinks. -*add_symlink* 'path' 'link-target':: +*add_symlink* 'path' [ 'link-target' ]:: - Adds a symlink to the image at the specified `path`, pointing to the specified - `link-target`. + Adds a symlink to the image at the specified `path`, optionally pointing to + the specified `link-target`. If the `link-target` is not provided, it is assumed + that this symlink exists in the real filesystem, and the target will be read + using readlink. There is no checking done to ensure that the target of the + symlink exists, and symlinks will not be followed recursively. *add_all_modules* [ '-f filter' ] *pattern*:: |