Matt Young halcyondude

## explanation.md

      
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                halcyondude
                / explanation.md
            
            
              Created
              March 8, 2023 08:56
                — forked from masak/explanation.md
            
              
                How is git commit sha1 formed
              
          
    Ok, I geeked out, and this is probably more information than you need. But it completely answers the question. Sorry. ☺
Locally, I'm at this commit:
$ git show
commit d6cd1e2bd19e03a81132a23b2025920577f84e37
Author: jnthn <jnthn@jnthn.net>
Date:   Sun Apr 15 16:35:03 2012 +0200

When I added FIRST/NEXT/LAST, it was idiomatic but not quite so fast. This makes it faster. Another little bit of masak++'s program.

  
## setup_gnuparallel.sh
#!/bin/bash

# useful for platforms such as Cygwin that don't currently have GNU Parallel in their repo.
# prerequisite: make

(
wd=$(mktemp -d)
wget -nc -P $wd ftp://ftp.gnu.org/gnu/parallel/parallel-latest.tar.bz2

cd $wd
	#!/bin/bash

	# useful for platforms such as Cygwin that don't currently have GNU Parallel in their repo.
	# prerequisite: make

	(
	wd=$(mktemp -d)
	wget -nc -P $wd ftp://ftp.gnu.org/gnu/parallel/parallel-latest.tar.bz2

	cd $wd