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Commit | Line | Data |
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9b88fcef JH |
1 | #!/bin/sh |
2 | ||
f9aa0eed | 3 | DEF_VER=v2.50.GIT |
9b88fcef | 4 | |
c96c2909 JH |
5 | LF=' |
6 | ' | |
7 | ||
f6a2efdc | 8 | if test "$#" -lt 2 || test "$#" -gt 3 |
4838deab | 9 | then |
f6a2efdc | 10 | echo >&2 "USAGE: $0 <SOURCE_DIR> (--format=<STRING>|<INPUT>) [<OUTPUT>]" |
4838deab PS |
11 | exit 1 |
12 | fi | |
13 | ||
14 | SOURCE_DIR="$1" | |
4838deab | 15 | |
f6a2efdc PS |
16 | case "$2" in |
17 | --format=*) | |
18 | INPUT="${2#--format=}" | |
19 | ;; | |
20 | *) | |
21 | if ! test -f "$2" | |
22 | then | |
23 | echo >&2 "Input is not a file: $2" | |
24 | exit 1 | |
25 | fi | |
26 | INPUT=$(cat "$2") | |
27 | ;; | |
28 | esac | |
29 | ||
30 | OUTPUT="$3" | |
4838deab PS |
31 | |
32 | # Protect us from reading Git version information outside of the Git directory | |
33 | # in case it is not a repository itself, but embedded in an unrelated | |
34 | # repository. | |
35 | GIT_CEILING_DIRECTORIES="$SOURCE_DIR/.." | |
36 | export GIT_CEILING_DIRECTORIES | |
37 | ||
992bc561 | 38 | if test -z "$GIT_VERSION" |
0b8b051c | 39 | then |
992bc561 PS |
40 | # First see if there is a version file (included in release tarballs), |
41 | # then try git-describe, then default. | |
42 | if test -f "$SOURCE_DIR"/version | |
43 | then | |
44 | VN=$(cat "$SOURCE_DIR"/version) || VN="$DEF_VER" | |
45 | elif { | |
46 | test -d "$SOURCE_DIR/.git" || | |
47 | test -d "${GIT_DIR:-.git}" || | |
48 | test -f "$SOURCE_DIR"/.git; | |
49 | } && | |
e40622a6 | 50 | VN=$(git -C "$SOURCE_DIR" describe --dirty --match="v[0-9]*" 2>/dev/null) && |
992bc561 PS |
51 | case "$VN" in |
52 | *$LF*) (exit 1) ;; | |
992bc561 PS |
53 | esac |
54 | then | |
55 | VN=$(echo "$VN" | sed -e 's/-/./g'); | |
56 | else | |
57 | VN="$DEF_VER" | |
58 | fi | |
59 | ||
60 | GIT_VERSION=$(expr "$VN" : v*'\(.*\)') | |
374dfaa2 | 61 | fi |
181129d2 | 62 | |
cfa01e6d | 63 | if test -z "$GIT_BUILT_FROM_COMMIT" |
204d4092 | 64 | then |
cfa01e6d PS |
65 | GIT_BUILT_FROM_COMMIT=$(git -C "$SOURCE_DIR" rev-parse -q --verify HEAD 2>/dev/null) |
66 | fi | |
67 | ||
68 | if test -z "$GIT_DATE" | |
69 | then | |
70 | GIT_DATE=$(git -C "$SOURCE_DIR" show --quiet --format='%as' 2>/dev/null) | |
374dfaa2 | 71 | fi |
181129d2 | 72 | |
0c8d3395 PS |
73 | if test -z "$GIT_USER_AGENT" |
74 | then | |
75 | GIT_USER_AGENT="git/$GIT_VERSION" | |
76 | fi | |
4838deab | 77 | |
9bb10d27 PS |
78 | # While released Git versions only have three numbers, development builds also |
79 | # have a fourth number that corresponds to the number of patches since the last | |
80 | # release. | |
81 | read GIT_MAJOR_VERSION GIT_MINOR_VERSION GIT_MICRO_VERSION GIT_PATCH_LEVEL trailing <<EOF | |
82 | $(echo "$GIT_VERSION" 0 0 0 0 | tr '.a-zA-Z-' ' ') | |
4838deab PS |
83 | EOF |
84 | ||
5acfacc2 | 85 | REPLACED=$(printf "%s\n" "$INPUT" | sed -e "s|@GIT_VERSION@|$GIT_VERSION|" \ |
4838deab PS |
86 | -e "s|@GIT_MAJOR_VERSION@|$GIT_MAJOR_VERSION|" \ |
87 | -e "s|@GIT_MINOR_VERSION@|$GIT_MINOR_VERSION|" \ | |
88 | -e "s|@GIT_MICRO_VERSION@|$GIT_MICRO_VERSION|" \ | |
9bb10d27 | 89 | -e "s|@GIT_PATCH_LEVEL@|$GIT_PATCH_LEVEL|" \ |
0c8d3395 PS |
90 | -e "s|@GIT_BUILT_FROM_COMMIT@|$GIT_BUILT_FROM_COMMIT|" \ |
91 | -e "s|@GIT_USER_AGENT@|$GIT_USER_AGENT|" \ | |
f6a2efdc PS |
92 | -e "s|@GIT_DATE@|$GIT_DATE|" |
93 | ) | |
eb858c60 | 94 | |
f6a2efdc | 95 | if test -z "$OUTPUT" |
9b88fcef | 96 | then |
f6a2efdc | 97 | printf "%s\n" "$REPLACED" |
9b88fcef | 98 | else |
f6a2efdc PS |
99 | printf "%s\n" "$REPLACED" >"$OUTPUT".$$+ |
100 | if ! test -f "$OUTPUT" || ! cmp "$OUTPUT".$$+ "$OUTPUT" >/dev/null | |
101 | then | |
102 | mv "$OUTPUT".$$+ "$OUTPUT" | |
103 | else | |
104 | rm "$OUTPUT".$$+ | |
105 | fi | |
9b88fcef | 106 | fi |