moved to devenv
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163
.devenv/shell-rcfile.sh
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163
.devenv/shell-rcfile.sh
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# Disable history during init so devenv internal commands don't pollute history.
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set +o history
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# Environment diff helpers (always defined for tracking)
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# Environment diff helpers (inspired by direnv)
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# Diff is stored in _DEVENV_DIFF env var (not a file) so each shell has its own state
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# Uses gzip+base64 encoding for compact storage
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# Variables to ignore in diff (shell internals that change dynamically)
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__devenv_ignored_var() {
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case "$1" in
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_*|PWD|OLDPWD|SHLVL|SHELL|SHELLOPTS|BASHOPTS|BASH_*|HISTCMD|HISTFILE)
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return 0 ;;
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PS1|PS2|PS3|PS4|PROMPT|PROMPT_COMMAND|PROMPT_DIRTRIM)
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return 0 ;;
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COMP_*|READLINE_*|MAILCHECK|COLUMNS|LINES|RANDOM|SECONDS|LINENO|EPOCHSECONDS|EPOCHREALTIME|SRANDOM)
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return 0 ;;
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STARSHIP_*|__fish*|DIRENV_*|nix_saved_*)
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return 0 ;;
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*)
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return 1 ;;
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esac
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}
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__devenv_capture_env() {
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# Capture exported variables using declare -p for proper escaping
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declare -p -x 2>/dev/null | LC_ALL=C sort
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}
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__devenv_serialize_diff() {
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# Serialize diff (stdin) to base64-encoded gzip
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gzip -c | base64 -w0
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}
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__devenv_deserialize_diff() {
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# Deserialize diff from base64-encoded gzip to stdout
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echo "$1" | base64 -d | gzip -d 2>/dev/null
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}
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__devenv_compute_diff() {
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# Compare before ($1) and current env, return diff via _DEVENV_DIFF env var
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local before_file="$1"
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# Create temp files
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local after_file diff_content
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after_file=$(mktemp)
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diff_content=$(mktemp)
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__devenv_capture_env > "$after_file"
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# Build associative arrays for before/after
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local -A before_vars after_vars
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while IFS= read -r line; do
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[[ "$line" != declare\ -x\ * ]] && continue
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local vardef="${line#declare -x }"
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local var="${vardef%%=*}"
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[[ -z "$var" ]] && continue
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__devenv_ignored_var "$var" && continue
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before_vars["$var"]="$line"
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done < "$before_file"
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while IFS= read -r line; do
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[[ "$line" != declare\ -x\ * ]] && continue
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local vardef="${line#declare -x }"
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local var="${vardef%%=*}"
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[[ -z "$var" ]] && continue
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__devenv_ignored_var "$var" && continue
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after_vars["$var"]="$line"
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done < "$after_file"
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# Find PREV entries (vars that were modified or removed)
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for var in "${!before_vars[@]}"; do
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if [[ "${after_vars[$var]}" != "${before_vars[$var]}" ]]; then
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echo "P:${before_vars[$var]}" >> "$diff_content"
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fi
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done
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# Find NEXT entries (vars that were added or modified)
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for var in "${!after_vars[@]}"; do
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if [[ -z "${before_vars[$var]+x}" ]]; then
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echo "N:$var" >> "$diff_content"
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elif [[ "${after_vars[$var]}" != "${before_vars[$var]}" ]]; then
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echo "N:$var" >> "$diff_content"
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fi
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done
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# Serialize and store in env var
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_DEVENV_DIFF=$(__devenv_serialize_diff < "$diff_content")
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export _DEVENV_DIFF
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rm -f "$after_file" "$diff_content"
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}
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__devenv_apply_reverse_diff() {
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# Reverse the diff: restore PREV values, unset NEXT-only vars
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[[ -z "$_DEVENV_DIFF" ]] && return
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local -A prev_vars
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local diff_content
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diff_content=$(__devenv_deserialize_diff "$_DEVENV_DIFF")
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# First pass: collect and restore PREV declarations
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while IFS= read -r line; do
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if [[ "$line" == P:declare\ * ]]; then
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local decl="${line#P:}"
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local var="${decl#declare -x }"
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var="${var%%=*}"
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prev_vars["$var"]=1
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# Use export instead of evaluating the declare statement directly,
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# because declare -x inside a function creates a local variable
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# in bash 5.0+.
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eval "export ${decl#declare -x }" 2>/dev/null
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fi
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done <<< "$diff_content"
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# Second pass: unset NEXT vars that were not in PREV (added vars)
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while IFS= read -r line; do
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if [[ "$line" == N:* ]]; then
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local var="${line#N:}"
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if [[ -z "${prev_vars[$var]+x}" ]]; then
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unset "$var"
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fi
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fi
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done <<< "$diff_content"
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}
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# Capture environment BEFORE sourcing devenv (for diff tracking)
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_devenv_before_file=$(mktemp)
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__devenv_capture_env > "$_devenv_before_file"
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# Source the devenv environment
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source "/home/user01/Projects/score-system/.devenv/shell-env.sh"
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# Compute and store the initial diff in _DEVENV_DIFF env var
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__devenv_compute_diff "$_devenv_before_file"
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rm -f "$_devenv_before_file"
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unset _devenv_before_file
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# Save PATH before zsh init potentially modifies it
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export _DEVENV_PATH="$PATH"
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# Save original ZDOTDIR so zsh init can restore it
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if [ -n "$ZDOTDIR" ]; then
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export _DEVENV_REAL_ZDOTDIR="$ZDOTDIR"
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fi
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# Point ZDOTDIR to our init directory containing our .zshrc
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export ZDOTDIR="/home/user01/Projects/score-system/.devenv/zsh"
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# Re-enable history before exec
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set -o history
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# Exec into zsh (resolve via PATH if not absolute, since the devenv
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# environment may have added it after this process started)
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if [ ! -x "/run/current-system/sw/bin/zsh" ] && ! command -v "/run/current-system/sw/bin/zsh" >/dev/null 2>&1; then
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echo "devenv: error: shell '/run/current-system/sw/bin/zsh' not found" >&2
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echo "devenv: add zsh to your devenv.nix packages or set SHELL to an absolute path" >&2
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exit 1
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fi
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exec "/run/current-system/sw/bin/zsh" -i
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echo "devenv: error: failed to exec into /run/current-system/sw/bin/zsh" >&2
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exit 1
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