Console Output

+ gpg --list-keys --with-colons
+ awk -F: '/fpr:/ {print $10}'
+ sort -u
+ echo -e '5
y
'
+ gpg --batch --command-fd 0 --expert --edit-key 5C997505C3B6BDF15046D1BD25FB28D82622151E trust
Secret subkeys are available.

pub  rsa4096/5C391A7948D74D48
     created: 2015-09-24  expires: 2020-09-22  usage: SC  
     trust: unknown       validity: unknown
ssb  rsa4096/25FB28D82622151E
     created: 2015-09-24  expires: 2020-09-22  usage: S   
[ unknown] (1). Eclipse CBI Project <cbi-dev@eclipse.org>

pub  rsa4096/5C391A7948D74D48
     created: 2015-09-24  expires: 2020-09-22  usage: SC  
     trust: unknown       validity: unknown
ssb  rsa4096/25FB28D82622151E
     created: 2015-09-24  expires: 2020-09-22  usage: S   
[ unknown] (1). Eclipse CBI Project <cbi-dev@eclipse.org>

Please decide how far you trust this user to correctly verify other users' keys
(by looking at passports, checking fingerprints from different sources, etc.)

  1 = I don't know or won't say
  2 = I do NOT trust
  3 = I trust marginally
  4 = I trust fully
  5 = I trust ultimately
  m = back to the main menu


pub  rsa4096/5C391A7948D74D48
     created: 2015-09-24  expires: 2020-09-22  usage: SC  
     trust: ultimate      validity: unknown
ssb  rsa4096/25FB28D82622151E
     created: 2015-09-24  expires: 2020-09-22  usage: S   
[ unknown] (1). Eclipse CBI Project <cbi-dev@eclipse.org>
Please note that the shown key validity is not necessarily correct
unless you restart the program.

+ echo -e '5
y
'
+ gpg --batch --command-fd 0 --expert --edit-key 749087D01D6FBF7A68B8DF365C391A7948D74D48 trust
Secret subkeys are available.

gpg: checking the trustdb
gpg: marginals needed: 3  completes needed: 1  trust model: pgp
gpg: depth: 0  valid:   1  signed:   0  trust: 0-, 0q, 0n, 0m, 0f, 1u
gpg: next trustdb check due at 2020-09-22
pub  rsa4096/5C391A7948D74D48
     created: 2015-09-24  expires: 2020-09-22  usage: SC  
     trust: ultimate      validity: ultimate
ssb  rsa4096/25FB28D82622151E
     created: 2015-09-24  expires: 2020-09-22  usage: S   
[ultimate] (1). Eclipse CBI Project <cbi-dev@eclipse.org>

pub  rsa4096/5C391A7948D74D48
     created: 2015-09-24  expires: 2020-09-22  usage: SC  
     trust: ultimate      validity: ultimate
ssb  rsa4096/25FB28D82622151E
     created: 2015-09-24  expires: 2020-09-22  usage: S   
[ultimate] (1). Eclipse CBI Project <cbi-dev@eclipse.org>

Please decide how far you trust this user to correctly verify other users' keys
(by looking at passports, checking fingerprints from different sources, etc.)

  1 = I don't know or won't say
  2 = I do NOT trust
  3 = I trust marginally
  4 = I trust fully
  5 = I trust ultimately
  m = back to the main menu


pub  rsa4096/5C391A7948D74D48
     created: 2015-09-24  expires: 2020-09-22  usage: SC  
     trust: ultimate      validity: ultimate
ssb  rsa4096/25FB28D82622151E
     created: 2015-09-24  expires: 2020-09-22  usage: S   
[ultimate] (1). Eclipse CBI Project <cbi-dev@eclipse.org>