mirror of
https://github.com/bensuperpc/dockcross.git
synced 2024-11-14 23:11:33 +01:00
54 lines
1.8 KiB
Bash
Executable File
54 lines
1.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# This is the entrypoint script for the dockerfile. Executed in the
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# container at runtime.
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if [[ $# == 0 ]]; then
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# Presumably the image has been run directly, so help the user get
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# started by outputting the dockcross script
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if [[ -n $DEFAULT_DOCKCROSS_IMAGE ]]; then
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head -n 2 /dockcross/dockcross
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echo "DEFAULT_DOCKCROSS_IMAGE=$DEFAULT_DOCKCROSS_IMAGE"
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tail -n +4 /dockcross/dockcross |
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sed -e "s@dockcross\/linux\-armv7@${DEFAULT_DOCKCROSS_IMAGE}@g" |
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sed -e "s@dockcross\-linux\-armv7@${DEFAULT_DOCKCROSS_IMAGE//[\/:]/-}@g"
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else
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cat /dockcross/dockcross
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fi
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exit 0
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fi
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# If we are running docker natively, we want to create a user in the container
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# with the same UID and GID as the user on the host machine, so that any files
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# created are owned by that user. Without this they are all owned by root.
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# The dockcross script sets the BUILDER_UID and BUILDER_GID vars.
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if [[ -n $BUILDER_UID ]] && [[ -n $BUILDER_GID ]]; then
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groupadd -o -g $BUILDER_GID $BUILDER_GROUP 2> /dev/null
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useradd -o -m -g $BUILDER_GID -u $BUILDER_UID $BUILDER_USER 2> /dev/null
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export HOME=/home/${BUILDER_USER}
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shopt -s dotglob
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cp -r /root/* $HOME/
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chown -R $BUILDER_UID:$BUILDER_GID $HOME
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# Additional updates specific to the image
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if [[ -e /dockcross/pre_exec.sh ]]; then
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/dockcross/pre_exec.sh
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fi
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# Enable passwordless sudo capabilities for the user
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chown root:$BUILDER_GID $(which gosu)
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chmod +s $(which gosu); sync
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# Execute project specific pre execution hook
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if [[ -e /work/.dockcross ]]; then
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gosu $BUILDER_UID:$BUILDER_GID /work/.dockcross
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fi
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# Run the command as the specified user/group.
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exec gosu $BUILDER_UID:$BUILDER_GID "$@"
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else
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# Just run the command as root.
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exec "$@"
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fi
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