├── LICENSE
└── build.sh


/LICENSE:
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 1 | CURL LICENSE
 2 | 
 3 | Permission to use, copy, modify, and distribute this software for any purpose
 4 | with or without fee is hereby granted, provided that the above copyright notice
 5 | and this permission notice appear in all copies.
 6 | 
 7 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 8 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 9 | FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT
10 | SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
11 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
12 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
13 | SOFTWARE.
14 | 
15 | Except as contained in this notice, the name of a copyright holder shall not be
16 | used in advertising or otherwise to promote the sale, use or other dealings in
17 | this Software without prior written authorization of the copyright holder.
18 | 


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/build.sh:
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 1 | #!/bin/sh
 2 | set -e
 3 | 
 4 | VERSION=LATEST
 5 | #If you prefer a specific version you can set it specifically
 6 | #VERSION=7.66.0
 7 | GPG_KEY_URL="https://daniel.haxx.se/mykey.asc"
 8 | GPG_KEY_PATH="/out/curl-gpg.pub"
 9 | #Do not escape the above variables in script below
10 | #change last argument to -xeus for help with debugging
11 | cat <<EOF | docker run -i --rm -v "$PWD":/out --tmpfs /tmp/build:exec -w /tmp/build alpine /bin/sh -eus
12 | 
13 | #Print failure message we exit unexpectedly
14 | trap 'RC="\$?"; echo "***FAILED! RC=\${RC}"; exit \${RC}' EXIT
15 | 
16 | #Fetch a url to a location unless it already exists
17 | conditional_fetch () {
18 |   local URL=\$1
19 |   local OUTPUT_PATH=\$2
20 |   if [ -e \${OUTPUT_PATH} ]; then
21 |     echo "Found existing \${OUTPUT_PATH}; reusing..."
22 |   else
23 |     echo "Fetching \${URL} to \${OUTPUT_PATH}..."
24 |     wget "\${URL}" -O "\${OUTPUT_PATH}"
25 |   fi
26 | }
27 | 
28 | #Determine tarball filename
29 | if [ "$VERSION" = 'LATEST' ]; then
30 |   echo "Determining latest version..."
31 |   TARBALL_FILENAME=\$(wget "https://curl.haxx.se/download/?C=M;O=D" -q -O- | grep -w -m 1 -o 'curl-.*\.tar\.xz"' | sed 's/"$//')
32 | else
33 |   TARBALL_FILENAME=curl-${VERSION}.tar.xz
34 | fi
35 | 
36 | #Set some variables (depends on tarball filename determined above)
37 | TARBALL_URL=https://curl.haxx.se/download/\${TARBALL_FILENAME}
38 | TARBALL_PATH=/out/\${TARBALL_FILENAME}
39 | FINAL_BIN_PATH=/out/curl
40 | 
41 | echo "***Fetching \${TARBALL_FILENAME} and files to validate it..."
42 | conditional_fetch "${GPG_KEY_URL}" "${GPG_KEY_PATH}"
43 | conditional_fetch "\${TARBALL_URL}.asc" "\${TARBALL_PATH}.asc"
44 | conditional_fetch "\${TARBALL_URL}" "\${TARBALL_PATH}"
45 | 
46 | echo "***Validating source..."
47 | apk add gnupg
48 | gpg --import --always-trust ${GPG_KEY_PATH}
49 | gpg --verify \${TARBALL_PATH}.asc \${TARBALL_PATH}
50 | 
51 | echo "***Unpacking source..."
52 | tar xfJ \${TARBALL_PATH}
53 | cd curl-*
54 | 
55 | echo "***Installing build dependencies..."
56 | apk add gcc make musl-dev openssl-dev openssl-libs-static file
57 | 
58 | echo "***configuring..."
59 | ./configure --disable-shared --with-ca-fallback
60 | echo "making..."
61 | make curl_LDFLAGS=-all-static
62 | 
63 | echo "***Finishing up..."
64 | cp src/curl \${FINAL_BIN_PATH}
65 | strip \${FINAL_BIN_PATH}
66 | chown $(id -u):$(id -g) \${FINAL_BIN_PATH}
67 | #Clear the trap so when we exit there is no failure message
68 | trap - EXIT
69 | echo SUCCESS
70 | ls -ld \${FINAL_BIN_PATH}
71 | du -h \${FINAL_BIN_PATH}
72 | 
73 | EOF
74 | 


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