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20 lines
774 B
Bash
20 lines
774 B
Bash
#!/usr/bin/env bash
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# This script modifies the environemnt, namely ~/.bashrc, to preserve the bash history.
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# The workspace in the devcontainer is preserved across rebuilds.
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# Use .cache to keep history and local scripts.
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# .cache is excluded from git (i.e. in .gitignore)
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mkdir -p "${PWD}/.cache/"
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# Preserve history
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[[ ! -L "${HOME}/.bash_history" ]] && ln -sf "${PWD}/.cache/bash_history" "${HOME}/.bash_history"
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[[ ! -f "${PWD}/.cache/bash_history" ]] && touch "${PWD}/.cache/bash_history"
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# Write history after every command to preserve it across rebuilds.
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if ! grep -q '^### CUSTOM: Preserve Bash History ###$' "${HOME}/.bashrc"; then
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cat >> "${HOME}/.bashrc" <<'EOT'
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### CUSTOM: Preserve Bash History ###
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PROMPT_COMMAND="history -a; ${PROMPT_COMMAND}"
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EOT
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fi
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