chore(user/bkphotorights):Note Bash version used
[BK-2020-03.git] / user / bk-find-git-verify
1 #!/usr/bin/env bash
2 # Finds and verifies signatures of git repositories in specified dir
3 # Usage: bk-find-git-verify [DIR]
4 # Depends: GNU parallel 20210822, sort (GNU coreutils) 8.32
5 # Version: 0.0.2
6
7 # global vars
8 findMaxDepth=8;
9
10 # Define functions
11 yell() { echo "$0: $*" >&2; } # print script path and all args to stderr
12 die() { yell "$*"; exit 111; } # same as yell() but non-zero exit status
13 try() { "$@" || die "cannot $*"; } # runs args as command, reports args if command fails
14 git_verify_ops() {
15 # usage: git_verify_ops arg1
16 # input: arg1 git work tree root dir
17 # output: none
18 # depends: yell(), die(), try()
19 local list_tags;
20
21 # Check input
22 ## End function early if arg1 not a dir
23 if [[ ! $# -eq 1 ]]; then yell "ERROR:Incorrect number of args:$#"; return 1; fi;
24 if [[ ! -d "$1" ]]; then yell "ERROR:Not a dir:$1"; return 1; fi;
25 ## TODO: Check if "$1" is git repo
26 yell "DEBUG:Running git_verify_ops on dir:$1";
27
28 # Change work dir to target repo
29 pushd "$1" 1>/dev/random 2>&1;
30
31 # Get list of git tags
32 list_tags="$(git tag --list)";
33
34 # Verify git commit signatures
35 yell "Starting git log of dir:$1";
36 git log --show-signature 1>/dev/random 2>&1;
37 yell "Ending git log of dir:$1";
38
39 # Verify each tag
40 while read -r tag; do
41 yell "DEBUG:Verifying tag:$tag";
42 git verify-tag "$tag" 1>/dev/random 2>&1;
43 done < <(printf "%s" "$list_tags");
44
45 # Return to original work dir
46 popd 1>/dev/random 2>&1;
47
48 # End function;
49 return 0;
50 }; # Verify signatures on git commits and tags
51 main() {
52 # depends: yell(), die(), try()
53 # Check input
54 if [[ ! $# -eq 1 ]]; then die "FATAL:Incorrect arg count:$#"; fi;
55 if [[ ! -d "$1" ]]; then die "FATAL:Not a dir:$1"; fi;
56
57 # Get list of dirs containing '.git' directory
58 dir_list="$(find -L "$1" -maxdepth "$findMaxDepth" -type d -name ".git" 2>/dev/random | parallel readlink -f '{}' | sort -u | parallel dirname '{}' | sort -u)";
59
60 # Perform git verify operations on each directory
61 printf "%s" "$dir_list" | parallel git_verify_ops '{}';
62 }; # main program
63
64 # Export functions
65 export -f yell die try git_verify_ops
66
67 # Run program
68 main "$@";