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Man Pages


Manual Reference Pages  -  GENPATCH (1)

NAME

genpatch - generate patch quickly in standard FreeBSD ports format

CONTENTS

Synopsis
Description
Errors
Environment
Notes
See Also

SYNOPSIS

genpatch newfile genpatch oldfile newfile

DESCRIPTION

This utility is always called by portfix(1), but quite often it is useful in its own right.

It creates patches using the standard FreeBSD ports format defined by the "make makepatch" ports utility, but there are different operational modes.

If genpatch is called when the current working directory is a subdirectory of WRKDIRPREFIX if defined or PORTSDIR if not, then a patch will be saved in the current directory using the naming standard used by "make makepatch". Note that the utility assumes that it has been executed in the WRKSRC directory, the standard location for applying ports patches.

If genpatch is executed outside of WRKDIRPREFIX (or PORTSDIR), then a patch will not be created. The contents of the patch will be send to stdout, so the user will have to direct it to a file manually as desired.

If only one argument is given, genpatch will search for a file named "<newfile>.intermediate" and if found, it will generated diff output between it and [newfile]. If that file doesn’t exist, it will search for "<newfile>.orig" and attempt to create diff output between it and [newfile].

ERRORS

genpatch will abort if no arguments or more than 2 arguments are given. If only one argument ( [newfile] ) is given, then a regular file called "<newfile>.orig" or "<newfile>.intermediate" must exist otherwise genpatch will abort. If two arguments are given, both must be existing regular files.

ENVIRONMENT

WORKTREE Overrides hardcoded WRKDIRPREFIX (or PORTSDIR). This is useful for ports outside of the tree or when genpatch was installed via binary packages and WRKDIRPREFIX is defined (or PORTSDIR is non-standard)

NOTES

  1. FreeBSD does not set WRKDIRPREFIX by default
  2. The default PORTSDIR for FreeBSD is /usr/ports so on standard FreeBSD systems genpatch will generate a patch file in the current directory if executed on any subdirectory of /usr/ports.
  3. Dragonfly sets WRKDIRPREFIX to /usr/obj/dports by default, so on standard systems patch files are generated automatically if genpatch is executed from a subdirectory of /usr/obj/dports.
  4. The root directory used for this calculation is permanently set when genpatch is built, but it can be overridden with the WORKTREE environment variable.

SEE ALSO

dupe(1), portfix(1)
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