How do I extract the contents of an rpm

Question

I have an rpm and I want to treat it like a tarball  I want to extract the contents into a directory so I can inspect the contents  I am familiar with the querying commands of an uninstalled package  I do not simply want a list of the contents of the rpm  i e     rpm -qpl foo rpm   I want to inspect the contents of several files contained in the rpm  I do not want to install the rpm  I am also aware of the rpms ability to do additional modifictions in the  post sections  and how to check for those  i e     rpm -qp --scripts foo rpm   However in this case that is of no concern to me

User · Answer

7-zip understands most kinds of archives  including rpm and the included cpio

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For those who do not have rpm2cpio  here is the ancient rpm2cpio sh script that extracts the payload from a   rpm package   Reposted for posterity     and the next generation   Invoke like this         rpm2cpio sh  rpm   cpio -dimv     bin sh  pkg  1 if     pkg       -o   -e   pkg     then     echo  no package supplied  1 gt  amp 2     exit 1 fi  leadsize 96 o  expr  leadsize   8  set  od -j  o -N 8 -t u1  pkg  il  expr 256       256       256     2    3       4       5  dl  expr 256       256       256     6    7       8       9    echo  sig il   il dl   dl   sigsize  expr 8   16     il    dl  o  expr  o    sigsize      8 -     sigsize    8          8   8  set  od -j  o -N 8 -t u1  pkg  il  expr 256       256       256     2    3       4       5  dl  expr 256       256       256     6    7       8       9    echo  hdr il   il dl   dl   hdrsize  expr 8   16     il    dl  o  expr  o    hdrsize  EXTRACTOR  dd if  pkg ibs  o skip 1   COMPRESSION    EXTRACTOR  file -  2 gt  dev null  if echo  COMPRESSION  grep -q gzip  then         DECOMPRESSOR gunzip elif echo  COMPRESSION  grep -q bzip2  then         DECOMPRESSOR bunzip2 elif echo  COMPRESSION  grep -iq xz  then   xz and XZ safe         DECOMPRESSOR unxz elif echo  COMPRESSION  grep -q cpio  then         DECOMPRESSOR cat else           Most versions of file don t support LZMA  therefore we assume           anything not detected is LZMA         DECOMPRESSOR  which unlzma 2 gt  dev null          case   DECOMPRESSOR  in                                      DECOMPRESSOR  which lzmash 2 gt  dev null               case   DECOMPRESSOR  in                           DECOMPRESSOR  lzmash -d -c                               DECOMPRESSOR cat                     esac                             esac fi   EXTRACTOR 2 gt  dev null    DECOMPRESSOR

User · Answer

You can simply do tar -xvf  lt rpm file gt  as well

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In NixOS  there is rpmextract  It is a wrapper around rpm2cpio  exactly as  Alan Evangelista wanted  https   github com NixOS nixpkgs tree master pkgs tools archivers rpmextract

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Sometimes you can encounter an issue with intermediate RPM archive      cpio  Malformed number   cpio  Malformed number   cpio  Malformed number              cpio  premature end of archive     That means it could be packed  these days it is LZMA2 compression as usual  by xz   rpm2cpio  lt file gt  rpm   xz -d   cpio -idmv   otherwise you could try   rpm2cpio  lt file gt  rpm   lzma -d   cpio -idmv

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The powerful text-based file manager mc  Midnight Commander  vaguely reminding the Norton Commander of old DOS times  has the built-in capability of inspecting and unpacking  rpm and  rpms files  just  open  the  rpm s  file within mc and select CONTENTS cpio  for an rpm you get access to the install tree  for an rpms you get access to the  spec file and all the source packages

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Most distributions have installed the GUI app file-roller which unpacks tar  zip  rpm and many more   file-roller --extract-here package rpm   This will extract the contents in the current directory

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Copy the  rpm file in a separate folder then run the following command   yourfile rpm   cpio -idmv

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The  DECOMPRESSION  test fails on CygWin  one of the most potentiaally useful platforms for it  due to the  grep  check for  xz  being case sensitive  The result of the  COMPRESSION   check is   COMPRESSION   dev stdin  XZ compressed data    Simply replacing  grep -q  with  grep -q -i  everywhere seems to resolve the issue well   I ve done a few updates  particularly adding some comments and using  case  instead of stacked  if  statements  and included that fix below     bin sh     rpm2cpio sh - extract  cpio  contents of RPM     Typical usage  rpm2cpio sh rpmname   cpio -idmv    if       -ne 1     then     echo  Usage   0 file rpm  1 gt  amp 2     exit 1 fi  rpm   1  if   -e   rpm     then     echo  Error  missing  rpm  fi   leadsize 96 o  expr  leadsize   8  set  od -j  o -N 8 -t u1  rpm  il  expr 256       256       256     2    3       4       5  dl  expr 256       256       256     6    7       8       9    echo  sig il   il dl   dl   sigsize  expr 8   16     il    dl  o  expr  o    sigsize      8 -     sigsize    8          8   8  set  od -j  o -N 8 -t u1  rpm  il  expr 256       256       256     2    3       4       5  dl  expr 256       256       256     6    7       8       9    echo  hdr il   il dl   dl   hdrsize  expr 8   16     il    dl  o  expr  o    hdrsize  EXTRACTOR  dd if  rpm ibs  o skip 1   COMPRESSION    EXTRACTOR  file -  2 gt  dev null  DECOMPRESSOR  cat   case  COMPRESSION in      gzip   GZIP           DECOMPRESSOR gunzip                 bzip2   BZIP2           DECOMPRESSOR bunzip2                 xz   XZ           DECOMPRESSOR unxz                 cpio   cpio                               Most versions of file don t support LZMA  therefore we assume           anything not detected is LZMA         DECOMPRESSOR   which unlzma 2 gt  dev null           case   DECOMPRESSOR  in                                 DECOMPRESSOR   DECOMPRESSOR                                                    DECOMPRESSOR  which lzmash 2 gt  dev null                  case   DECOMPRESSOR  in                                                  DECOMPRESSOR  lzmash -d -c                                                                              echo  Warning  DECOMPRESSOR not found  assuming  cat   1 gt  amp 2                                            esac                            esac esac   EXTRACTOR 2 gt  dev null    DECOMPRESSOR

User · Answer

To debug   inspect your rpm I suggest to use redline which is a java program  Usage    java -cp redline-1 2 1-jar-with-dependencies jar org redline rpm Scanner foo rpm   Download   https   github com craigwblake redline releases

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In OpenSuse at least  the unrpm command comes with the build package   In a suitable directory  because this is an archive bomb    unrpm file rpm

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Did you try the rpm2cpio commmand  See the example below     rpm2cpio php-5 1 4-1 esp1 x86 64 rpm   cpio -idmv   etc httpd conf d php conf     etc php d     etc php ini     usr bin php     usr bin php-cgi   etc

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mkdir packagecontents  cd packagecontents   rpm2cpio    foo rpm   cpio -idmv   find      For Reference  the cpio arguments are  -i   extract -d   make directories -m   preserve modification time -v   verbose   I found the answer over here  lontar s answer

User · Answer

7-Zip is able to extract the contents  It works the same way that a tar gz file works  A compressed file inside a compressed file   On Windows 7 Pro with 7-Zip installed   Right click the rpm file  Mouse over 7-Zip in the context menu  Select extract to  filename    Enter into the filename folder   Right click the cpio file  Mouse over 7-Zip in the context menu  Select extract to  filename    You are done  The folder with  filename  contains the extracted contents for inspecting   I know you Linux guys despise things being made easy  but in the long run  if you have to spend time hunting down a solution to a simple problem like this  that inefficiency is costing you money   Given the fact that you Linux guys despise efficient simplicity  I highly doubt that the Linux version of 7-Zip will do the same thing in the exact same way   Why make it easy when you can make downright stupid hard and claim to be a genius at the same time   Just to be clear  I m not a Windows fanboy  I m actually looking into moving over to Linux  I just couldn t resist the opportunity to rub what Windows developers would see as common sense  best developer practices into your faces    Just be glad it s me posting this and you don t have Mark Harmon standing next to you cause  Special agent Leroy Jethro Gibbs would have done given you a head slap for not using your head   I don t know which Gibbs rule it is but the rule is  Don t make things harder for yourself than they have to be   Now we get to see who needs to take a vacation  Take care

[linux] How do I extract the contents of an rpm?

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