vasilito
4325590686
Includes: init (PID 1), hiperiso-lib.sh, qemu_launch.sh, hw_collect.sh, kvm_check.sh, fallback_boot.sh, log_flush.sh, conf_replace.sh, make_floppy.sh. 13-phase boot timing, 18 QEMU HMP commands, network pcap capture.
64 lines
1.8 KiB
Bash
64 lines
1.8 KiB
Bash
#!/bin/sh
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# conf_replace.sh -- Create modified ISO copy with replaced config files
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# Parses HIPERISO_CONF_REPLACE="org=/path;new=/path" from environment
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# If set, creates /tmp/modified.iso and prints its path on stdout.
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# Called by init as a subprocess: _new=$(sh /conf_replace.sh)
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# POSIX sh compatible
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. /hiperiso-lib.sh
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if [ -z "${HIPERISO_CONF_REPLACE:-}" ]; then
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# No conf_replace configured -- output nothing, exit clean
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return 0 2>/dev/null || exit 0
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fi
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_org=""
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_new=""
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OLDIFS="$IFS"
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IFS=';'
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for _pair in $HIPERISO_CONF_REPLACE; do
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case "$_pair" in
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org=*) _org="${_pair#org=}" ;;
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new=*) _new="${_pair#new=}" ;;
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esac
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done
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IFS="$OLDIFS"
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if [ -z "$_org" ] || [ -z "$_new" ]; then
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hiperiso_log "conf_replace: malformed config, skipping"
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return 0 2>/dev/null || exit 0
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fi
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_new_abs="${DATA_MOUNT}${_new}"
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if [ ! -f "$_new_abs" ]; then
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hiperiso_log "conf_replace: replacement file not found: $_new_abs"
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return 0 2>/dev/null || exit 0
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fi
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if ! command -v xorriso >/dev/null 2>&1; then
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hiperiso_log "conf_replace: xorriso not available, skipping ISO modification"
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return 0 2>/dev/null || exit 0
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fi
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_modified_iso="/tmp/modified.iso"
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hiperiso_log "conf_replace: creating modified ISO copy"
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if xorriso -indev "$ISO_PATH" \
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-outdev "$_modified_iso" \
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-boot_image any keep \
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-rm "$_org" \
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-add "$_new_abs"="$_org" \
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2>/dev/null; then
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if [ -f "$_modified_iso" ]; then
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hiperiso_log "conf_replace: modified ISO at $_modified_iso"
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# Output the path for the calling process to capture
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printf '%s' "$_modified_iso"
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return 0 2>/dev/null || exit 0
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fi
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fi
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hiperiso_log "conf_replace: xorriso failed, using original ISO"
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rm -f "$_modified_iso" 2>/dev/null || true
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return 0 2>/dev/null || exit 0
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