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A layer of automation for ClearCase with a touch of git flavour

Project description

# gfcc ## git flavoured ClearCase

gfcc provides a layer of automation on top of ClearCase. The goal is twofold: speed-up working with cc, and provide additional checks for a more robust workflow.

Some companies keep (typically older) projects in ClearCase, this project should also make working with them a bit more efficient for git users. The two are fundamentally different and therefore technically they won’t be able to behave exactly the same way, so feel free to use the ones that are useful for you and tweak, request or contribute other commands.

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#### Install: * Easiest (requires internet connection):

pip3 install gfcc
  • Manual:

    Download or clone the project, and run pip3 install –user -e . inside the /gfcc directory, at the same level as setup.py (not inside /gfcc/gfcc).

Now you can type gfcc add access all the commands.

(In more restrictive environments you might need to run it as python3 -m gfcc and create an alias like alias gfcc=”python3 -m gfcc” if using the bash shell or alias gfcc ‘python3 -m gfcc’ if using csh or tcsh )

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### :information_source: git-like commands: These commands provide as-close-as-possible syntax and functionality to the most used ones in git.

pushpin:`gfcc status`
git equivalent | description | clearcase actions |
— | — | — |
git status | List all new or modified files. | cleartool ls -rec -view_only to get new files. cleartool lsco -cview -a -s to get all the checked out files, then find those which have been actually modified with cleartool diff -predecessor. |

Available options:

-u –untracked Show untracked files. * no - Show no untracked files. * normal - (default) Shows untracked files and directories.

-v –view Show modifications in the whole view, untracked files will be shown for the cwd and subdirs.

-co –checked-out Show also files that are checked-out but don’t have modifications.

[item] You can provide a directory or file to get the status of that item alone.

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pushpin:`gfcc diff`
git equivalent | description | clearcase actions |
— | — | — |
git diff | Show changes. | cleartool lsco -cview -a -s, then cleartool diff -predecessor and print the differences. |

-g –graphical Open differences in GUI (if any).

[item] You can provide a directory or file to get differences on that item alone.

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pushpin:`gfcc log`
git equivalent | description | clearcase actions |
— | — | — |
git log | Show change history. | Wrap cleartool lshist, lshist -graphical and xlsvtree. |

-l –lines (optional) Number of lines of history to print (default 15).

-r –recursive Apply recursively going into subdirectories.

-g –graphical Open history in GUI.

-t –tree Open history in visual tree.

[item] You can provide a directory or file to get the history of that item alone.

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pushpin:`gfcc clean`
git equivalent | description | clearcase actions |
— | — | — |
git clean | Remove untracked files. | rm -f, -r for the files directories that are not under version control. |

Clean the current working directory (recursively). By default it will only remove files ending with ~, .keep or .contrib.

-a –clean_all Remove ALL untracked.

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### :information_source: ClearCase automation commands: These do not have any git equivalent because they are exclusive to the ClearCase philosophy, they automate repetitive CC tasks or provide additional automated checks:

pushpin:`gfcc ccheckout`
description | clearcase actions |
— | — |
Checkout in the ClearCase sense. | cleartool co -unr -nc per element, recursively if selected. |

If no parameters are specified, recursive from cwd will be performed.

-r –recursive If a directory is provided (defaults to cwd), apply to all files and subdirectories recursively.

-e –edit Open checked-out file in the editor defined by $EDITOR environment variable.

[item] File/dir to ccheckout.

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pushpin:`gfcc ccheckin`
description | clearcase actions |
— | — |
Checkin in the ClearCase sense. If the file does not exist in ClearCase it will checkout the directory that contains it, create the element, check it in and check in the directory. | cleartool ci -c per element, recursively if selected. If the file is not in ClearCase yet, cleartool mkelem and checkout/checkin for the directory that contains it too. |

If no parameters are specified, recursive from cwd will be performed.

-m –message Comment or description of the checkin (made mandatory).

-r –recursive If a directory is provided (defaults to cwd), apply to all files and subdirectories recursively.

-u –untracked In –recursive mode, also check-in new files. It will ignore files ending with ~, .keep or .contrib.

-i –identical Checkin even if files are identical.

[item] File/dir to ccheckin.

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pushpin:`gfcc uncheckout`
description | clearcase actions |
— | — |
Uncheckout in the ClearCase sense. | cleartool unco -keep or -rm per element, recursively if selected. |

If no parameters are specified, recursive from cwd will be performed.

-r –recursive Apply to all subdirectories and files recursively.

-k –keep Keep private copy (defaults to False).

[item] File/dir to uncheckout.

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pushpin:`gfcc find`
description | clearcase actions |
— | — |
Uncheckout in the ClearCase sense. | cleartool unco -keep or -rm per element, recursively if selected. |

If no parameters are specified, recursive from cwd will be performed.

-l –latest Find files selected by rule /LATEST.

-nl –not-latest Find files for which a newer version exists.

-v –view Perform the search on another view.

-d –directory Perform the search in the provided directory.

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pushpin:`gfcc diffcs`
description | clearcase actions |
— | — |
Find which files are selected by one cs file and not the other, and also files selected in both but with different versions. Also display if you have local changes. | cleartool catcs to save the current cs, cleartool ls -r to get the version and rule of each file, cleartool setcs on the cs file to compare, get versions and rules of the second cs file; and compare the results. |

If no parameters are provided, it will diff your current cs against your last saved user cs file. Otherwise you can diff against another view’s current cs, another file, or between two files.

-f –files Diff the actual CS files, instead of the list of files and versions selected by them.

-d –directory Perform the file comparison in the provided directory, instead of the current working directory.

-b –block Block name (to diff against a block configspec).

-v –view Provide a view name to compare against it’s current cs instead of a cs file.

-g –gen_rules Generate cs rules so that you get the same versions as others.

[csfile(s)] Config-spec file to diff against current one / two cs files to be diff’ed (not required if –view).

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pushpin:`gfcc savecs`
description | clearcase actions |
— | — |
Save your current configspec in clearcase. | If your block directory can be automatically found, it will be checked-in under blockname/cs, otherwise you can always provide the full destination save path.|

Configspec files location: * $PROJVOB/src/blockname*/cs* Shared configspec files (i.e to be used per team, per release…) * $PROJVOB/src/blockname*/cs/user* Default save location for cs files if a shared cs file name is not provided. The name of the cs file will be the same as the name of your view.

-b –block Specify block (needed if it can not be automatically identified because you are not working inside the block file-tree, or want to save the cs in a different block). Destination path will be src/`blockname`/cs .

-m –message Comment or description (mandatory for shared cs files).

-p –absolute-path Absolute path where the cs file will be saved (ignore blockname/cs structure and file name).

-f –force By default LATEST is not allowed in your CS, and identical versions are not checked in. Use this to override that behavior.

[cs-file-name] Name of a shared configspec to save to.

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pushpin:`gfcc setcs`
description | clearcase actions |
— | — |
Apply the provided cs in your view. | Identify the source for the cs content and apply it using cleartool setcs. |

-b –block Specify block (needed if it can not be automatically identified because you are not working inside the block file-tree, or want to take the cs from a different block). Source path will be src/`blockname`/cs .

-v –view Copy the current CS in another view to this one.

-k –backup Save current CS in a backup file before applying the new CS.

[cs-file] Name or path of the configspec to apply.

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