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CI(1) General Commands Manual CI(1)


cicheck in RCS revisions


ci [-qV] [-d[date]] [-f[rev]] [-I[rev]] [-i[rev]] [-j[rev]] [-k[rev]] [-l[rev]] [-M[rev]] [-mmsg] [-Nsymbol] [-nsymbol] [-r[rev]] [-sstate] [-t[str]] [-u[rev]] [-wusername] [-xsuffixes] [-ztzfile ...


The ci program is used to check in new revisions to RCS files.
When a file is checked in, it is stored in the RCS directory with a specific revision number, and the original file itself is deleted. The RCS file is stored with the same name, but with ‘,v’ appended. ci will prompt for a check-in message, to be stored with the file, which can be displayed using rlog(1).
Revision numbering starts at 1.1 and increases logically. Numbering can be altered using the -k option, however. The ‘,v’ suffix can also be altered, using the -x option.
ci also supports keyword substitution – see the rcs(1) man page for more information.
The following options are supported:
Uses date for check-in date and time. If date is not specified, use the working file's last modification time.
Force check-in – even if no changes have been made to the working file.
Interactive mode.
Only do initial check-in. Print error and refuse to do check-in if the RCS file already exists.
Only do update check-in. Print error and refuse to do check-in if the RCS file does not already exist.
Search the working file for keywords and set the revision number, creation date, state and author to the values found in these keywords instead of computing them.
The same as -r, but also immediately checks out the deposited revision and locks it. This is useful if you wish to continue to edit the working file after check-in.
Set the modification time of the file to the date of the retrieved revision.
Specify a log message. A line beginning with a hash character (‘#’) is considered a comment and ignored.
Assign the symbolic name symbol to the checked in revision, overwriting any previous assignment of symbol.
The same as -N except it does not overwrite previous symbols.
Be quiet about reporting.
Check in revision rev. However, if rev is not specified the meaning is completely different – override any -l or -u options, ensuring the default behaviour of releasing a lock and removing the working file.
Sets the state of the deposited revision to the identifier state. The specified value may not contain a space character.
Change the descriptive text. The argument str is interpreted as the name of a file containing the descriptive text or, if prefixed with a ‘-’, the actual descriptive text itself. If no argument is given, this option is ignored (for compatibility reasons).
The same as -r, but also immediately checks out the deposited revision read-only. Useful if you wish to read the working file after check-in.
Print RCS's version number.
Uses username as the author field of the deposited revision.
Specifies the suffixes for RCS files. Suffixes should be separated by the ‘/’ character.
Specify the date output format in keyword substitution, and the default time zone for date used in the -d option.


If set, this variable should contain a list of space-delimited options that are prepended to the argument list.
When set, this variable specifies the directory where temporary files are to be created. The default is set to /tmp.


The ci utility exits 0 on success, and >0 if an error occurs.


co(1), ident(1), rcs(1), rcsclean(1), rcsdiff(1), rcsmerge(1), rlog(1)
August 12, 2013 OpenBSD-current