如何修改deb安装包里的依赖关系/冲突

今天装code::blocks时, 总是提示

错误: 破坏已有软件包 'codeblocks-common' 对 codeblocks (< 10.05-1) 的冲突关系

直接打开deb包修改里面的control文件也没用,关闭后又恢复原样了。在 ubuntuforms 搜到一段shell脚本倒是可以修改control文件后重新生成一个deb包, 脚本如下:

#!/bin/bash

if [[ -z "$1" ]]; then
    echo "Syntax: $0 debfile"
    exit 1
fi
DEBFILE="$1"
TMPDIR=mktemp -d /tmp/deb.XXXXXXXXXX || exit 1
OUTPUT=basename "$DEBFILE" .deb.modfied.deb
if [[ -e "$OUTPUT" ]]; then
    echo "$OUTPUT exists."
    rm -r "$TMPDIR"
    exit 1
fi
dpkg-deb -x "$DEBFILE" "$TMPDIR"
dpkg-deb --control "$DEBFILE" "$TMPDIR"/DEBIAN
if [[ ! -e "$TMPDIR"/DEBIAN/control ]]; then
    echo DEBIAN/control not found.
    rm -r "$TMPDIR"
    exit 1
fi
CONTROL="$TMPDIR"/DEBIAN/control
MOD=stat -c "%y" "$CONTROL"
vi "$CONTROL"
if [[ "$MOD" == stat -c "%y" "$CONTROL" ]]; then
    echo Not modfied.
else
    echo Building new deb...
    dpkg -b "$TMPDIR" "$OUTPUT"
fi
rm -r "$TMPDIR"