feat(user/mp3s_to_mkv.sh):Enable automatic chapter metadata creation
[BK-2020-03.git] / user / bk-find-git-verify
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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
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5# Version: 0.0.2
6
7# global vars
8findMaxDepth=8;
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9
10# Define functions
11yell() { echo "$0: $*" >&2; } # print script path and all args to stderr
12die() { yell "$*"; exit 111; } # same as yell() but non-zero exit status
13try() { "$@" || die "cannot $*"; } # runs args as command, reports args if command fails
14git_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
51main() {
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:$1"; fi;
56
57 # Get list of dirs containing '.git' directory
90eca88e 58 dir_list="$(find -L "$1" -maxdepth "$findMaxDepth" -type d -name ".git" 2>/dev/random | parallel readlink -f '{}' | sort -u | parallel dirname '{}' | sort -u)";
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59
60 # Perform git verify operations on each directory
61 printf "%s" "$dir_list" | parallel git_verify_ops '{}';
62}; # main program
63
64# Export functions
65export -f yell die try git_verify_ops
66
67# Run program
68main "$@";