RCSMERGE(1) UNIX Programmer's Manual RCSMERGE(1)
rcsmerge - merge RCS revisions
rcsmerge [options] file
rcsmerge incorporates the changes between two revisions of an RCS file into the corresponding working file. Pathnames matching an RCS suffix denote RCS files; all oth- ers denote working files. Names are paired as explained in ci(1). At least one revision must be specified with one of the options described below, usually -r. At most two revisions may be specified. If only one revision is specified, the latest revision on the default branch (normally the highest branch on the trunk) is assumed for the second revision. Revisions may be specified numerically or symbolically. rcsmerge prints a warning if there are overlaps, and delim- its the overlapping regions as explained in merge(1). The command is useful for incorporating changes into a checked- out revision.
-A Output conflicts using the -A style of diff3(1), if supported by diff3. This merges all changes leading from file2 to file3 into file1, and generates the most verbose output. -E, -e These options specify conflict styles that generate less information than -A. See diff3(1) for details. The default is -E. With -e, rcsmerge does not warn about conflicts. -ksubst Use subst style keyword substitution. See co(1) for details. For example, -kk -r1.1 -r1.2 ignores differ- ences in keyword values when merging the changes from 1.1 to 1.2. It normally does not make sense to merge binary files as if they were text, so rcsmerge refuses to merge files if -kb expansion is used. -p[rev] Send the result to standard output instead of overwrit- ing the working file. -q[rev] Run quietly; do not print diagnostics. GNU 1995/06/01 1 RCSMERGE(1) UNIX Programmer's Manual RCSMERGE(1) -r[rev] Merge with respect to revision rev. Here an empty rev stands for the latest revision on the default branch, normally the head. -T This option has no effect; it is present for compati- bility with other RCS commands. -V Print RCS's version number. -Vn Emulate RCS version n. See co(1) for details. -xsuffixes Use suffixes to characterize RCS files. See ci(1) for details. -zzone Use zone as the time zone for keyword substitution. See co(1) for details.
Suppose you have released revision 2.8 of f.c. Assume furth- ermore that after you complete an unreleased revision 3.4, you receive updates to release 2.8 from someone else. To combine the updates to 2.8 and your changes between 2.8 and 3.4, put the updates to 2.8 into file f.c and execute rcsmerge -p -r2.8 -r3.4 f.c >f.merged.c Then examine f.merged.c. Alternatively, if you want to save the updates to 2.8 in the RCS file, check them in as revi- sion 18.104.22.168 and execute co -j: ci -r22.214.171.124 f.c co -r3.4 -j2.8:126.96.36.199 f.c As another example, the following command undoes the changes between revision 2.4 and 2.8 in your currently checked out revision in f.c. rcsmerge -r2.8 -r2.4 f.c Note the order of the arguments, and that f.c will be overwritten.
RCSINIT options prepended to the argument list, separated by spaces. See ci(1) for details. RCSLOCALID Local keyword to substitute. See co(1) for details. GNU 1995/06/01 2 RCSMERGE(1) UNIX Programmer's Manual RCSMERGE(1)
Exit status is 0 for no overlaps, 1 for some overlaps, 2 for trouble.
Author: Walter F. Tichy. Manual Page Revision: 5.6; Release Date: 1995/06/01. Copyright (C) 1982, 1988, 1989 Walter F. Tichy. Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995 Paul Eggert.
ci(1), co(1), ident(1), merge(1), rcs(1), rcsdiff(1), rcsintro(1), rlog(1), rcsfile(5) Walter F. Tichy, RCS--A System for Version Control, Software--Practice & Experience 15, 7 (July 1985), 637-654. GNU 1995/06/01 3
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