dev-tools/install at master · dpc-sdp/dev-tools · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
#!/usr/bin/env bash
##
# Dev Tools installer.
#
# Usage:
# curl -L https://raw.githubusercontent.com/dpc-sdp/dev-tools/master/init.sh|bash
# or
# curl -L https://raw.githubusercontent.com/dpc-sdp/dev-tools/master/init.sh|bash -s -- /path/to/destination/directory

CUR_DIR=$(pwd)
# Destination directory, that can be overridden with the first argument to this script.
DST_DIR=${DST_DIR:-$CUR_DIR}
DST_DIR=${1:-$DST_DIR}
# Flag to allow override existing committed files.
ALLOW_OVERRIDE=${ALLOW_OVERRIDE:-0}
# Flag to allow writing downloaded files into local ignore for current repository.
ALLOW_USE_LOCAL_IGNORE=${ALLOW_USE_LOCAL_IGNORE:-1}
# Organisation name to download the files from.
GH_ORG=${GH_ORG:-dpc-sdp}
# Project name to download the files from.
GH_PROJECT=${GH_PROJECT:-dev-tools}
# Optional commit to download. If not provided, latest release will be downloaded.
GH_COMMIT=${GH_COMMIT:-}
# Temporary directory to download and expand files to.
TMP_DIR=$(mktemp -d)

echo "=> Installing Dev Tools into $DST_DIR directory"

if [ "$GH_COMMIT" != "" ]; then
  echo "==> Downloading Dev Tools at commit $GH_COMMIT"
  curl -L "https://github.com/$GH_ORG/$GH_PROJECT/archive/$GH_COMMIT.tar.gz" \
    | tar xvzf - -C $TMP_DIR --strip 1
else
  echo "==> Downloading the latest version of Dev Tools"
  curl -s -L "https://api.github.com/repos/$GH_ORG/$GH_PROJECT/releases/latest" \
    | grep '"tag_name":' \
    | sed -E 's/.*"([^"]+)".*/\1/' \
    | xargs -I {} curl -L "https://github.com/$GH_ORG/$GH_PROJECT/archive/"{}'.tar.gz' \
    | tar xvzf - -C $TMP_DIR --strip 1
fi

([ $? -ne 0 ] || [ -z "$(ls -A $TMP_DIR)" ] ) && echo "ERROR: Unable to download the project" && exit 1

# Check if specified file is tracked by git.
git_file_is_tracked(){
  if [ -d ./.git/ ]; then
    git ls-files --error-unmatch "$1" &>/dev/null
    echo $?
  else
    echo 1
  fi
}

# Check if specified file is ignored by git.
git_file_is_ignored(){
  if [ -d ./.git/ ]; then
    git check-ignore "$1"
    echo $?
  else
    echo 1
  fi
}

# Add specified file to local git ignore (not .gitgnore).
git_add_to_local_ignore(){
  if [ -d ./.git/ ]; then
    if ! grep -Fxq "$1" ./.git/info/exclude; then
      echo "$1" >> ./.git/info/exclude
      echo "==> Added file $1 to local git ignore"
    fi
  fi
}

[ ! -d "$DST_DIR" ] && echo "==> Creating destination directory $DST_DIR" && mkdir -p $DST_DIR

pushd $DST_DIR > /dev/null

# Traverse through all downloaded files.
for file in $(find $TMP_DIR -type f) ; do
  relative_file=${file#"$TMP_DIR/"}
  # Only process untracked files - allows to have project-specific overrides
  # being committed and not overridden OR tracked files are allowed to
  # be overridden.
  file_is_tracked=$(git_file_is_tracked $relative_file)
  if [ "$file_is_tracked" != "0" ] || [ "$ALLOW_OVERRIDE" != "0" ]; then
    mkdir -p $(dirname $relative_file)
    cp -f $file $relative_file
    echo "==> Copied file $relative_file"
    # Add files to local ignore (not .gitignore), if all conditions pass:
    #  - allowed to add to local ignore
    #  - not already ignored
    #  - not currently tracked
    if [ "$ALLOW_USE_LOCAL_IGNORE" ] && [ -d ./.git/ ] && [ "$(git_file_is_ignored $relative_file)" != "0" ] && [ "$file_is_tracked" != "0" ]; then
      git_add_to_local_ignore "$relative_file"
    fi
  else
    echo "==> Skipped file $relative_file"
  fi
done;

popd > /dev/null

echo "=> Finished installation of Dev Tools into $DST_DIR directory"