1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
#!/bin/zsh
set -e
if [[ -z "${OUTPUT_ALTERNATE_ROOT_PATH}" ]]; then
exit 0
fi
if [[ "${SKIP_INSTALL}" = "YES" ]]; then
exit 0
fi
# Convert eg. `/System/Library/PrivateFrameworks` to `../../..`
RELATIVE_PATH_FROM_SYMLINK_TO_ROOT=$(echo "${ALTERNATE_ROOT_PATH}" | sed -E -e "s/\/[a-zA-Z0-9_]+/..\//g" -e "s/\/$//")
SYMLINK_VALUE="${RELATIVE_PATH_FROM_SYMLINK_TO_ROOT}${INSTALL_PATH}/${FULL_PRODUCT_NAME}"
if [[ -L "${OUTPUT_ALTERNATE_ROOT_PATH}" ]]; then
EXISTING_SYMLINK_VALUE=$(readlink "${OUTPUT_ALTERNATE_ROOT_PATH}")
if [[ "${EXISTING_SYMLINK_VALUE}" == "${SYMLINK_VALUE}" ]]; then
exit 0
fi
echo "warning: existing symlink is incorrect; expected ${SYMLINK_VALUE}, got ${EXISTING_SYMLINK_VALUE}"
elif [[ -e "${OUTPUT_ALTERNATE_ROOT_PATH}" ]]; then
echo "error: expected a symlink at ${OUTPUT_ALTERNATE_ROOT_PATH}"
exit 1
fi
ln -sf "${SYMLINK_VALUE}" "${OUTPUT_ALTERNATE_ROOT_PATH}"
|
