Use short hashes for patches #7694
Description
When you run spack spec on a package with patches, it displays full length patch hashes.
Before
$ spack spec gcc
...
[email protected]%[email protected]~binutils languages=c,c++,fortran patches=ecc5ac43951b34cbc5db15f585b4e704c42e2e487f9ed4c24fadef3f3857930b ~piclibs~strip arch=darwin-highsierra-x86_64
^[email protected]%[email protected] arch=darwin-highsierra-x86_64
^[email protected]%[email protected] arch=darwin-highsierra-x86_64
^[email protected]%[email protected] patches=3877ab548f88597ab2327a2230ee048d2d07ace1062efe81fc92e91b7f39cd00,c0a408fbffb7255fcc75e26bd8edab116fc81d216bfd18b473668b7739a4158e +sigsegv arch=darwin-highsierra-x86_64
...These patch hashes aren't particularly useful, as you can't specify which patches to use on the command line anyway. I propose the following changes.
After
By default, no hashes are shown:
$ spack spec gcc
...
[email protected]%[email protected]~binutils languages=c,c++,fortran ~piclibs~strip arch=darwin-highsierra-x86_64
^[email protected]%[email protected] arch=darwin-highsierra-x86_64
^[email protected]%[email protected] arch=darwin-highsierra-x86_64
^[email protected]%[email protected] +sigsegv arch=darwin-highsierra-x86_64
...When --long is supplied, short hash prefixes are displayed:
$ spack spec --long gcc
...
mbr7sk2 [email protected]%[email protected]~binutils languages=c,c++,fortran patches=ecc5ac4 ~piclibs~strip arch=darwin-highsierra-x86_64
vvoefua ^[email protected]%[email protected] arch=darwin-highsierra-x86_64
74niupl ^[email protected]%[email protected] arch=darwin-highsierra-x86_64
c5q6jjk ^[email protected]%[email protected] patches=3877ab5,c0a408f +sigsegv arch=darwin-highsierra-x86_64 When --very-long is chosen, the full hashes are shown:
$ spack spec --very-long gcc
...
mbr7sk2tsbqktrjnuq75kdi6vq7obegy [email protected]%[email protected]~binutils languages=c,c++,fortran patches=ecc5ac43951b34cbc5db15f585b4e704c42e2e487f9ed4c24fadef3f3857930b ~piclibs~strip arch=darwin-highsierra-x86_64
vvoefuai3hzh7eughdxbihgqsnpvizsn ^[email protected]%[email protected] arch=darwin-highsierra-x86_64
74niuplengavsakhoomvp3lzw7epwosc ^[email protected]%[email protected] arch=darwin-highsierra-x86_64
c5q6jjkr7uwa3si5rh7y56uf4jvzwg7r ^[email protected]%[email protected] patches=3877ab548f88597ab2327a2230ee048d2d07ace1062efe81fc92e91b7f39cd00,c0a408fbffb7255fcc75e26bd8edab116fc81d216bfd18b473668b7739a4158e +sigsegv arch=darwin-highsierra-x86_64
...EDIT: edited to provide clarity as to what I'm looking for