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Heddi Nabbisen
Heddi Nabbisen

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Gitea 1.11 on OpenBSD: Update Failure

This post is about updating Gitea v1.11 in OpenBSD around 6.7.
Since v1.11, when making gitea with its BSDmakefile, I have met the error for some times like this:

$ env TAGS="bindata" make -f BSDmakefile generate build
...
writing bindata.go
...
grep: repetition-operator operand invalid
Gitea requires Node.js 10.0.0 or greater and npm to build. You can get it at https://nodejs.org/en/download/
gmake: *** [Makefile:143: node-check] Error 1
*** Error 2 in /.../gitea (BSDmakefile:46 'FRC': "gmake" "--no-print-directory" generate build )
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It happened, for example, to update 1.11.1 -> 1.11.2 and 1.11.5 -> 1.11.6.
This is because of not Node.js but grep module in OS.
It's actually because of the difference in using options between GNU grep and OpenBSD's grep.

OpenBSD's default grep is like this:

$ /usr/bin/grep --help
usage: grep [-abcEFGHhIiLlnoqRsUVvwxZ] [-A num] [-B num] [-C[num]] [-e pattern]
    [-f file] [-m num] [--binary-files=value] [--context[=num]]
    [--label=name] [--line-buffered] [pattern] [file ...]
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The current solution I have found after struggling is installing ggrep. It is GNU grep as ports package.
To install it, run:

# pkg_add ggrep
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In the process of Gitea make, it's necessary to let running grep result in running /usr/local/bin/ggrep.
Therefore, I created the symbolic link and modified $PATH temporarily:

$ ln -s /usr/local/bin/ggrep /(somewhere)/grep
$ export PATH="/(somewhere):$PATH"

$ # verify
$ # (1) $PATH begins with /(somewhere)
$ echo $PATH
/(somewhere) ... /usr/bin /bin /usr/sbin /sbin ... /usr/local/bin /usr/local/sbin
$ # (2) `grep` is GNU grep
$ grep --help
Usage: grep [OPTION]... PATTERNS [FILE]...
Search for PATTERNS in each FILE.
Example: ggrep -i 'hello world' menu.h main.c
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Thus ggrep became used as grep.
Ready for make:

$ env TAGS="bindata" make -f BSDmakefile generate build
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It was successful 😃

To clean up temporary file and env, finally:

$ rm /(somewhere)/grep

$ # reset $PATH
$ # case fish:
$ fish ~/.config/fish/config.fish
$ # else:
$ . ~/.profile
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Optionally, there is a similar but more dangerous way...
This is my first solution.
Then I tried not to change /usr/bin manually and got the solution above 😅
Please be careful because there is a risk of deleting /usr/bin files by mistake in the below way:

# # replace original `grep` with `ggrep`'s symbolic link
# mv /usr/bin/grep /usr/bin/grep_bk
# ln -s /usr/local/bin/ggrep /usr/bin/grep

$ env TAGS="bindata" make -f BSDmakefile generate build

# # recover original `grep`
# mv /usr/bin/grep_bk /usr/bin/grep
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